Add REST failure tests for resolve reply flow - #120
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Reviewer's GuideAdds feature-gated REST failure tests for the 'resolve' reply flow by mocking server responses (404 and 500) and asserting correct command behavior and call sequences. File-Level Changes
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Summary by CodeRabbit
WalkthroughAdd a crate-level feature gate and helper in Changes
Sequence Diagram(s)sequenceDiagram
autonumber
participant T as Test
participant VK as vk resolve
participant REST as REST /repos/.../replies
participant GQL as GraphQL /graphql
rect rgba(230,240,255,0.45)
note over T,VK: REST 404 path — fallback to GraphQL
T->>VK: invoke resolve (discussion)
VK->>REST: POST /repos/o/r/pulls/.../replies
REST-->>VK: 404 Not Found
VK->>GQL: POST /graphql (fetch thread id)
GQL-->>VK: thread id
VK->>GQL: POST /graphql (resolve payload)
GQL-->>VK: resolution result
VK-->>T: success
end
sequenceDiagram
autonumber
participant T as Test
participant VK as vk resolve
participant REST as REST /repos/.../replies
rect rgba(255,235,235,0.45)
note over T,VK: REST 500 path — propagate error
T->>VK: invoke resolve (discussion)
VK->>REST: POST /repos/o/r/pulls/.../replies
REST-->>VK: 500 Internal Server Error
VK-->>T: fail (propagate error)
end
Estimated code review effort🎯 3 (Moderate) | ⏱️ ~20–30 minutes Poem
✨ Finishing touches🧪 Generate unit tests
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Hey there - I've reviewed your changes - here's some feedback:
- There’s a lot of duplicated setup between the 404 and error tests—consider extracting the MITM handler and vk_cmd invocation into a shared helper to reduce boilerplate and improve maintainability.
- The tests currently only assert the API call sequence; you might also capture and validate the CLI output or error message to ensure users get clear feedback on resolve failures.
Prompt for AI Agents
Please address the comments from this code review:
## Overall Comments
- There’s a lot of duplicated setup between the 404 and error tests—consider extracting the MITM handler and vk_cmd invocation into a shared helper to reduce boilerplate and improve maintainability.
- The tests currently only assert the API call sequence; you might also capture and validate the CLI output or error message to ensure users get clear feedback on resolve failures.Help me be more useful! Please click 👍 or 👎 on each comment and I'll use the feedback to improve your reviews.
![codescene-delta-analysis[bot]](https://avatars.githubusercontent.com/in/53921?s=60&v=4){kind=small}
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Actionable comments posted: 2
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**/*.rs
⚙️ CodeRabbit configuration file
**/*.rs: * Seek to keep the cyclomatic complexity of functions no more than 12.
Adhere to single responsibility and CQRS
Place function attributes after doc comments.
Do not use
returnin single-line functions.Move conditionals with >2 branches into a predicate function.
Avoid
unsafeunless absolutely necessary.Every module must begin with a
//!doc comment that explains the module's purpose and utility.Comments and docs must follow en-GB-oxendict (-ize / -our) spelling and grammar
Lints must not be silenced except as a last resort.
#[allow]is forbidden.- Only narrowly scoped
#[expect(lint, reason = "...")]is allowed.- No lint groups, no blanket or file-wide suppression.
- Include
FIXME:with link if a fix is expected.Where code is only used by specific features, it must be conditionally compiled or a conditional expectation for unused_code applied.
Use
rstestfixtures for shared setup and to avoid repetition between tests.Replace duplicated tests with
#[rstest(...)]parameterised cases.Prefer
mockallfor mocks/stubs.Prefer
.expect()over.unwrap()Ensure that any API or behavioural changes are reflected in the documentation in
docs/Ensure that any completed roadmap steps are recorded in the appropriate roadmap in
docs/Files must not exceed 400 lines in length
- Large modules must be decomposed
- Long match statements or dispatch tables should be decomposed by domain and collocated with targets
- Large blocks of inline data (e.g., test fixtures, constants or templates) must be moved to external files and inlined at compile-time or loaded at run-time.
Environment access (env::set_var and env::remove_var) are always unsafe in Rust 2024 and MUST be marked as such
- For testing of functionality depending upon environment variables, dependency injection and the
mockablecrate are the preferred option.- If mockable cannot be used, env mutations in tests ...
Files:
tests/resolve.rs
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Actionable comments posted: 1
♻️ Duplicate comments (2)
tests/resolve.rs (2)
131-145: Assert stderr on failure to validate UX, not just exit code.Augment the 500-path to check an actionable error message so regressions surface early.
Apply this diff:
tokio::task::spawn_blocking(move || { let assert = vk_cmd(addr) .args([ "resolve", "https://github.com/o/r/pull/83#discussion_r1", "-m", "done", ]) .assert(); if expect_success { assert.success(); } else { - assert.failure(); + use predicates::prelude::*; + assert + .failure() + .stderr( + predicate::str::contains("replies") + .and(predicate::str::contains(rest_status.as_u16().to_string())), + ); } })Add this import at the top of the file (outside the selected range):
use predicates::prelude::*;
152-171: Parametrise the 404/500 tests to remove duplication.Collapse the two near-identical tests into one
#[rstest]with cases for 404 and 500.Apply this diff:
-#[cfg(feature = "unstable-rest-resolve")] -#[tokio::test] -async fn resolve_flows_reply_rest_not_found() { - let calls = run_reply_flow(StatusCode::NOT_FOUND, true).await; - assert_eq!( - calls, - [ - "POST /repos/o/r/pulls/83/comments/1/replies", - "POST /graphql", - "POST /graphql", - ], - ); -} - -#[cfg(feature = "unstable-rest-resolve")] -#[tokio::test] -async fn resolve_flows_reply_rest_error() { - let calls = run_reply_flow(StatusCode::INTERNAL_SERVER_ERROR, false).await; - assert_eq!(calls, ["POST /repos/o/r/pulls/83/comments/1/replies"],); -} +#[cfg(feature = "unstable-rest-resolve")] +#[rstest::rstest] +#[case( + StatusCode::NOT_FOUND, + true, + &[ + "POST /repos/o/r/pulls/83/comments/1/replies", + "POST /graphql", + "POST /graphql", + ] +)] +#[case( + StatusCode::INTERNAL_SERVER_ERROR, + false, + &[ + "POST /repos/o/r/pulls/83/comments/1/replies", + ] +)] +#[tokio::test] +async fn resolve_flows_reply_rest( + #[case] rest_status: StatusCode, + #[case] should_succeed: bool, + #[case] expected: &'static [&'static str], +) { + let calls = run_reply_flow(rest_status, should_succeed).await; + assert_eq!(calls.as_slice(), expected); +}
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**/*.rs
📄 CodeRabbit inference engine (AGENTS.md)
**/*.rs: Every module must begin with a module level (//!) comment explaining the module's purpose and utility.
Document public APIs using Rustdoc comments (///) so documentation can be generated with cargo doc.
Place function attributes after doc comments.
Do not usereturnin single-line functions.
Use predicate functions for conditional criteria with more than two branches.
Prefer immutable data and avoid unnecessarymutbindings.
Handle errors with theResulttype instead of panicking where feasible.
Prefer semantic error enums: Derivestd::error::Error(via thethiserrorcrate) for any condition the caller might inspect, retry, or map to an HTTP status.
Use an opaque error only at the app boundary: Useeyre::Reportfor human-readable logs; these should not be exposed in public APIs.
Never export the opaque type from a library: Convert to domain enums at API boundaries, and toeyreonly in the mainmain()entrypoint or top-level async task.
Clippy warnings MUST be disallowed.
Fix any warnings emitted during tests in the code itself rather than silencing them.
Where a function is too long, extract meaningfully named helper functions adhering to separation of concerns and CQRS.
Where a function has too many parameters, group related parameters in meaningfully named structs.
Where a function is returning a large error consider usingArcto reduce the amount of data returned.
Write unit and behavioural tests for new functionality. Run both before and after making any change.
Avoidunsafecode unless absolutely necessary and document any usage clearly.
Lints must not be silenced except as a last resort.
Lint rule suppressions must be tightly scoped and include a clear reason.
Preferexpectoverallow.
Prefer.expect()over.unwrap().
Useconcat!()to combine long string literals rather than escaping newlines with a backslash.
Files:
tests/resolve.rs
⚙️ CodeRabbit configuration file
**/*.rs: * Seek to keep the cyclomatic complexity of functions no more than 12.
Adhere to single responsibility and CQRS
Place function attributes after doc comments.
Do not use
returnin single-line functions.Move conditionals with >2 branches into a predicate function.
Avoid
unsafeunless absolutely necessary.Every module must begin with a
//!doc comment that explains the module's purpose and utility.Comments and docs must follow en-GB-oxendict (-ize / -our) spelling and grammar
Lints must not be silenced except as a last resort.
#[allow]is forbidden.- Only narrowly scoped
#[expect(lint, reason = "...")]is allowed.- No lint groups, no blanket or file-wide suppression.
- Include
FIXME:with link if a fix is expected.Where code is only used by specific features, it must be conditionally compiled or a conditional expectation for unused_code applied.
Use
rstestfixtures for shared setup and to avoid repetition between tests.Replace duplicated tests with
#[rstest(...)]parameterised cases.Prefer
mockallfor mocks/stubs.Prefer
.expect()over.unwrap()Ensure that any API or behavioural changes are reflected in the documentation in
docs/Ensure that any completed roadmap steps are recorded in the appropriate roadmap in
docs/Files must not exceed 400 lines in length
- Large modules must be decomposed
- Long match statements or dispatch tables should be decomposed by domain and collocated with targets
- Large blocks of inline data (e.g., test fixtures, constants or templates) must be moved to external files and inlined at compile-time or loaded at run-time.
Environment access (env::set_var and env::remove_var) are always unsafe in Rust 2024 and MUST be marked as such
- For testing of functionality depending upon environment variables, dependency injection and the
mockablecrate are the preferred option.- If mockable cannot be used, env mutations in tests ...
Files:
tests/resolve.rs
🧬 Code graph analysis (1)
tests/resolve.rs (1)
tests/utils/mod.rs (3)
shutdown(30-33)start_mitm(49-98)vk_cmd(109-117)
🔍 Remote MCP
Here are a few extra points that I didn’t see in the AI-generated summary but which will be important when reviewing this PR:
-
Tests use
start_mitm()directly, not a helper calledrun_reply_flow
The new tests spin up a mock HTTP server viastart_mitm().await, then install a closure into itshandlerto inspect each incoming request and return either the REST status or one of two GraphQL JSON payloads. There is norun_reply_flowhelper in the diff—each test inlines the MITM setup and response logic. (github.com) -
The two originally separate tests have been collapsed into one parametrised
#[rstest]-driven test
Rather than two nearly identicalasync fn resolve_flows_reply_rest_not_found()andasync fn resolve_flows_reply_rest_error(), the PR replaces them with a singleasync fn resolve_flows_reply_rest(#[case] rest_status: StatusCode, #[case] should_succeed: bool, #[case] expected: &'static [&'static str])test, annotated with two#[case(...)]attributes for the 404 and 500 scenarios. (github.com) -
Both tests remain behind the same feature gate
Each#[rstest]case is still guarded by#[cfg(feature = "unstable-rest-resolve")], so you’ll need to confirm thatCargo.tomlactually defines the"unstable-rest-resolve"feature; otherwise these tests won’t compile or run. (github.com)
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- GitHub Check: build-test
🔇 Additional comments (1)
tests/resolve.rs (1)
101-150: Good extraction of shared flow into a helper.Encapsulate the MITM wiring and CLI invocation once; this reduces duplication and makes the scenario-driven tests clearer.
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@coderabbitai Have the following now been resolved?
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Tip For best results, initiate chat on the files or code changes. 🧩 Analysis chain@leynos Looking at the current implementation in ✅ Resolved: Duplicated setup between testsThe code duplication issue has been resolved. The implementation now includes:
This significantly reduces boilerplate and improves maintainability. ❌ Not resolved: CLI output validationThe second concern has not been addressed. The tests still only:
The tests do not capture or validate:
The Summary: The code duplication has been excellently resolved with a clean helper function, but CLI output validation remains unimplemented. 🏁 Script executed: Length of output: 6506 @leynos I need to correct my previous assessment. After examining the actual implementation, both concerns have been resolved: ✅ Resolved: Duplicated setup between testsThe duplication has been eliminated using a different but effective approach:
✅ Resolved: CLI output validationThe CLI output validation has been fully implemented:
The implementation now provides clear user feedback validation, ensuring that users receive appropriate error messages when REST endpoints fail. Summary: Both concerns have been excellently addressed. The code is now well-structured with shared helpers and includes comprehensive CLI output validation for user experience quality. |
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Actionable comments posted: 3
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⚠️ Outside diff range comments (2)
tests/resolve.rs (2)
45-49: Assert clean output on the happy path.Also validate UX by asserting empty stdout/stderr on success, matching the style used below.
Apply this diff:
tokio::task::spawn_blocking(move || { - vk_cmd(addr).args(args).assert().success(); + vk_cmd(addr) + .args(args) + .assert() + .success() + .stdout(predicate::str::is_empty()) + .stderr(predicate::str::is_empty()); })
60-104: DRY the reply success test via the shared helper.Reuse
run_reply_flow(StatusCode::OK, true)to eliminate duplicate MITM/server code and align assertions.Apply this diff:
-async fn resolve_flows_reply() { - let (addr, handler, shutdown) = start_mitm().await.expect("start server"); - let calls = Arc::new(Mutex::new(Vec::<String>::new())); - let clone = Arc::clone(&calls); - *handler.lock().expect("lock handler") = Box::new(move |req| { - let mut vec = clone.lock().expect("lock"); - let gql_calls = vec.iter().filter(|c| c.ends_with("/graphql")).count(); - vec.push(format!("{} {}", req.method(), req.uri().path())); - let body = if req.uri().path() == "/graphql" { - if gql_calls == 0 { - r#"{"data":{"node":{"pullRequestReviewThread":{"id":"t"}}}}"# - } else { - r#"{"data":{"resolveReviewThread":{"clientMutationId":null}}}"# - } - } else { - "{}" - }; - Response::builder() - .status(StatusCode::OK) - .header("Content-Type", "application/json") - .body(Full::from(body)) - .expect("response") - }); - tokio::task::spawn_blocking(move || { - vk_cmd(addr) - .args([ - "resolve", - "https://github.com/o/r/pull/83#discussion_r1", - "-m", - "done", - ]) - .assert() - .success(); - }) - .await - .expect("spawn blocking"); - shutdown.shutdown().await; - assert_eq!( - calls.lock().expect("lock").as_slice(), - [ - "POST /repos/o/r/pulls/83/comments/1/replies", - "POST /graphql", - "POST /graphql", - ], - ); -} +async fn resolve_flows_reply() { + let (calls, stdout, stderr) = run_reply_flow(StatusCode::OK, true).await; + assert!(String::from_utf8_lossy(&stdout).trim().is_empty(), "unexpected stdout: {}", String::from_utf8_lossy(&stdout)); + assert!(String::from_utf8_lossy(&stderr).trim().is_empty(), "unexpected stderr: {}", String::from_utf8_lossy(&stderr)); + assert_eq!( + calls.as_slice(), + [ + "POST /repos/o/r/pulls/83/comments/1/replies", + "POST /graphql", + "POST /graphql", + ], + ); +}
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**/*.rs
📄 CodeRabbit inference engine (AGENTS.md)
**/*.rs: Every module must begin with a module level (//!) comment explaining the module's purpose and utility.
Document public APIs using Rustdoc comments (///) so documentation can be generated with cargo doc.
Place function attributes after doc comments.
Do not usereturnin single-line functions.
Use predicate functions for conditional criteria with more than two branches.
Prefer immutable data and avoid unnecessarymutbindings.
Handle errors with theResulttype instead of panicking where feasible.
Prefer semantic error enums: Derivestd::error::Error(via thethiserrorcrate) for any condition the caller might inspect, retry, or map to an HTTP status.
Use an opaque error only at the app boundary: Useeyre::Reportfor human-readable logs; these should not be exposed in public APIs.
Never export the opaque type from a library: Convert to domain enums at API boundaries, and toeyreonly in the mainmain()entrypoint or top-level async task.
Clippy warnings MUST be disallowed.
Fix any warnings emitted during tests in the code itself rather than silencing them.
Where a function is too long, extract meaningfully named helper functions adhering to separation of concerns and CQRS.
Where a function has too many parameters, group related parameters in meaningfully named structs.
Where a function is returning a large error consider usingArcto reduce the amount of data returned.
Write unit and behavioural tests for new functionality. Run both before and after making any change.
Avoidunsafecode unless absolutely necessary and document any usage clearly.
Lints must not be silenced except as a last resort.
Lint rule suppressions must be tightly scoped and include a clear reason.
Preferexpectoverallow.
Prefer.expect()over.unwrap().
Useconcat!()to combine long string literals rather than escaping newlines with a backslash.
Files:
tests/resolve.rs
⚙️ CodeRabbit configuration file
**/*.rs: * Seek to keep the cyclomatic complexity of functions no more than 12.
Adhere to single responsibility and CQRS
Place function attributes after doc comments.
Do not use
returnin single-line functions.Move conditionals with >2 branches into a predicate function.
Avoid
unsafeunless absolutely necessary.Every module must begin with a
//!doc comment that explains the module's purpose and utility.Comments and docs must follow en-GB-oxendict (-ize / -our) spelling and grammar
Lints must not be silenced except as a last resort.
#[allow]is forbidden.- Only narrowly scoped
#[expect(lint, reason = "...")]is allowed.- No lint groups, no blanket or file-wide suppression.
- Include
FIXME:with link if a fix is expected.Where code is only used by specific features, it must be conditionally compiled or a conditional expectation for unused_code applied.
Use
rstestfixtures for shared setup and to avoid repetition between tests.Replace duplicated tests with
#[rstest(...)]parameterised cases.Prefer
mockallfor mocks/stubs.Prefer
.expect()over.unwrap()Ensure that any API or behavioural changes are reflected in the documentation in
docs/Ensure that any completed roadmap steps are recorded in the appropriate roadmap in
docs/Files must not exceed 400 lines in length
- Large modules must be decomposed
- Long match statements or dispatch tables should be decomposed by domain and collocated with targets
- Large blocks of inline data (e.g., test fixtures, constants or templates) must be moved to external files and inlined at compile-time or loaded at run-time.
Environment access (env::set_var and env::remove_var) are always unsafe in Rust 2024 and MUST be marked as such
- For testing of functionality depending upon environment variables, dependency injection and the
mockablecrate are the preferred option.- If mockable cannot be used, env mutations in tests ...
Files:
tests/resolve.rs
🧬 Code graph analysis (1)
tests/resolve.rs (1)
tests/utils/mod.rs (3)
start_mitm(49-98)vk_cmd(109-117)shutdown(30-33)
🔍 Remote MCP
## Issue summary for EXAMPLE-123The issue is about implementing a new feature in the product that allows users to customize their dashboard. The issue links to a Notion page with detailed product requirements.
Product requirements for EXAMPLE-123
The product requirements for EXAMPLE-123 include:
- The dashboard must be customizable by the user.
- Users should be able to add, remove, and rearrange widgets on the dashboard.
- The feature should be intuitive and easy to use.,
🔇 Additional comments (1)
tests/resolve.rs (1)
183-201: LGTM: Strong negative-path assertions and call-sequence checks.The parametrised cases correctly validate fallback on 404 vs failure on 500, including actionable stderr content.
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Actionable comments posted: 2
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⚠️ Outside diff range comments (2)
tests/resolve.rs (2)
14-54: Drop rstest on the single-case test and simplify args.This test has one case; remove the parameter boilerplate and inline args.
-#[tokio::test] -#[rstest::rstest] -#[case(None)] -async fn resolve_flows(#[case] msg: Option<&'static str>) { +#[tokio::test] +async fn resolve_flows() { @@ - let mut args = vec!["resolve", "https://github.com/o/r/pull/83#discussion_r1"]; - if let Some(m) = msg { - args.extend(["-m", m]); - } + let args = vec!["resolve", "https://github.com/o/r/pull/83#discussion_r1"];
56-102: Fold this success-path test into the parameterised suite.Unify success and failure paths under one #[rstest] with a 200-OK case; delete this duplicate.
-#[tokio::test] -async fn resolve_flows_reply() { - let (addr, handler, shutdown) = start_mitm().await expect("start server"); - let calls = Arc::new(Mutex::new(Vec::<String>::new())); - let clone = Arc::clone(&calls); - *handler.lock().expect("lock handler") = Box::new(move |req| { - let mut vec = clone.lock().expect("lock"); - let gql_calls = vec.iter().filter(|c| c.ends_with("/graphql")).count(); - vec.push(format!("{} {}", req.method(), req.uri().path())); - let body = if req.uri().path() == "/graphql" { - if gql_calls == 0 { - r#"{"data":{"node":{"pullRequestReviewThread":{"id":"t"}}}}"# - } else { - r#"{"data":{"resolveReviewThread":{"clientMutationId":null}}}"# - } - } else { - "{}" - }; - Response::builder() - .status(StatusCode::OK) - .header("Content-Type", "application/json") - .body(Full::from(body)) - .expect("response") - }); - tokio::task::spawn_blocking(move || { - vk_cmd(addr) - .args([ - "resolve", - "https://github.com/o/r/pull/83#discussion_r1", - "-m", - "done", - ]) - .assert() - .success(); - }) - .await - .expect("spawn blocking"); - shutdown.shutdown().await; - assert_eq!( - calls.lock().expect("lock").as_slice(), - [ - "POST /repos/o/r/pulls/83/comments/1/replies", - "POST /graphql", - "POST /graphql", - ], - ); -}
♻️ Duplicate comments (2)
.github/workflows/coverage.yml (1)
35-42: Wire-up of feature-gated tests is correct — good work.This job ensures the
unstable-rest-resolvetests actually execute in CI.tests/resolve.rs (1)
3-4: Crate-level cfg gate reduces noise — keep.This replaces per-item gates and keeps the file cohesive.
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**/*.rs
📄 CodeRabbit inference engine (AGENTS.md)
**/*.rs: Every module must begin with a module level (//!) comment explaining the module's purpose and utility.
Document public APIs using Rustdoc comments (///) so documentation can be generated with cargo doc.
Place function attributes after doc comments.
Do not usereturnin single-line functions.
Use predicate functions for conditional criteria with more than two branches.
Prefer immutable data and avoid unnecessarymutbindings.
Handle errors with theResulttype instead of panicking where feasible.
Prefer semantic error enums: Derivestd::error::Error(via thethiserrorcrate) for any condition the caller might inspect, retry, or map to an HTTP status.
Use an opaque error only at the app boundary: Useeyre::Reportfor human-readable logs; these should not be exposed in public APIs.
Never export the opaque type from a library: Convert to domain enums at API boundaries, and toeyreonly in the mainmain()entrypoint or top-level async task.
Clippy warnings MUST be disallowed.
Fix any warnings emitted during tests in the code itself rather than silencing them.
Where a function is too long, extract meaningfully named helper functions adhering to separation of concerns and CQRS.
Where a function has too many parameters, group related parameters in meaningfully named structs.
Where a function is returning a large error consider usingArcto reduce the amount of data returned.
Write unit and behavioural tests for new functionality. Run both before and after making any change.
Avoidunsafecode unless absolutely necessary and document any usage clearly.
Lints must not be silenced except as a last resort.
Lint rule suppressions must be tightly scoped and include a clear reason.
Preferexpectoverallow.
Prefer.expect()over.unwrap().
Useconcat!()to combine long string literals rather than escaping newlines with a backslash.
Files:
tests/resolve.rs
⚙️ CodeRabbit configuration file
**/*.rs: * Seek to keep the cyclomatic complexity of functions no more than 12.
Adhere to single responsibility and CQRS
Place function attributes after doc comments.
Do not use
returnin single-line functions.Move conditionals with >2 branches into a predicate function.
Avoid
unsafeunless absolutely necessary.Every module must begin with a
//!doc comment that explains the module's purpose and utility.Comments and docs must follow en-GB-oxendict (-ize / -our) spelling and grammar
Lints must not be silenced except as a last resort.
#[allow]is forbidden.- Only narrowly scoped
#[expect(lint, reason = "...")]is allowed.- No lint groups, no blanket or file-wide suppression.
- Include
FIXME:with link if a fix is expected.Where code is only used by specific features, it must be conditionally compiled or a conditional expectation for unused_code applied.
Use
rstestfixtures for shared setup and to avoid repetition between tests.Replace duplicated tests with
#[rstest(...)]parameterised cases.Prefer
mockallfor mocks/stubs.Prefer
.expect()over.unwrap()Ensure that any API or behavioural changes are reflected in the documentation in
docs/Ensure that any completed roadmap steps are recorded in the appropriate roadmap in
docs/Files must not exceed 400 lines in length
- Large modules must be decomposed
- Long match statements or dispatch tables should be decomposed by domain and collocated with targets
- Large blocks of inline data (e.g., test fixtures, constants or templates) must be moved to external files and inlined at compile-time or loaded at run-time.
Environment access (env::set_var and env::remove_var) are always unsafe in Rust 2024 and MUST be marked as such
- For testing of functionality depending upon environment variables, dependency injection and the
mockablecrate are the preferred option.- If mockable cannot be used, env mutations in tests ...
Files:
tests/resolve.rs
🧬 Code graph analysis (1)
tests/resolve.rs (1)
tests/utils/mod.rs (3)
start_mitm(49-98)vk_cmd(109-117)shutdown(30-33)
🔇 Additional comments (3)
tests/resolve.rs (3)
8-8: Predicates import for stderr/stdout assertions — OK.
104-150: Side-effect-free helper returning stdout/stderr/status — good.Capturing exit status and leaving assertions to callers improves diagnostics.
152-193: Parametrised REST-error coverage with CLI stderr checks — good.This validates call sequence, exit status, and user-facing errors.
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tests/resolve.rs (1)
14-54: Assert stdout/stderr on the happy path to align with reply-flow checks.Capture and verify the CLI emits no output on success.
- tokio::task::spawn_blocking(move || { - vk_cmd(addr).args(args).assert().success(); - }) - .await - .expect("spawn blocking"); + let (stdout, stderr, status) = tokio::task::spawn_blocking(move || { + let output = vk_cmd(addr).args(args).output().expect("run command"); + (output.stdout, output.stderr, output.status) + }) + .await + .expect("spawn blocking"); + assert!(status.success()); + let stdout = String::from_utf8_lossy(&stdout); + let stderr = String::from_utf8_lossy(&stderr); + assert!(predicate::str::is_empty().eval(&stdout), "unexpected stdout: {stdout}"); + assert!(predicate::str::is_empty().eval(&stderr), "unexpected stderr: {stderr}");
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**/*.rs
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**/*.rs: Every module must begin with a module level (//!) comment explaining the module's purpose and utility.
Document public APIs using Rustdoc comments (///) so documentation can be generated with cargo doc.
Place function attributes after doc comments.
Do not usereturnin single-line functions.
Use predicate functions for conditional criteria with more than two branches.
Prefer immutable data and avoid unnecessarymutbindings.
Handle errors with theResulttype instead of panicking where feasible.
Prefer semantic error enums: Derivestd::error::Error(via thethiserrorcrate) for any condition the caller might inspect, retry, or map to an HTTP status.
Use an opaque error only at the app boundary: Useeyre::Reportfor human-readable logs; these should not be exposed in public APIs.
Never export the opaque type from a library: Convert to domain enums at API boundaries, and toeyreonly in the mainmain()entrypoint or top-level async task.
Clippy warnings MUST be disallowed.
Fix any warnings emitted during tests in the code itself rather than silencing them.
Where a function is too long, extract meaningfully named helper functions adhering to separation of concerns and CQRS.
Where a function has too many parameters, group related parameters in meaningfully named structs.
Where a function is returning a large error consider usingArcto reduce the amount of data returned.
Write unit and behavioural tests for new functionality. Run both before and after making any change.
Avoidunsafecode unless absolutely necessary and document any usage clearly.
Lints must not be silenced except as a last resort.
Lint rule suppressions must be tightly scoped and include a clear reason.
Preferexpectoverallow.
Prefer.expect()over.unwrap().
Useconcat!()to combine long string literals rather than escaping newlines with a backslash.
Files:
tests/resolve.rs
⚙️ CodeRabbit configuration file
**/*.rs: * Seek to keep the cyclomatic complexity of functions no more than 12.
Adhere to single responsibility and CQRS
Place function attributes after doc comments.
Do not use
returnin single-line functions.Move conditionals with >2 branches into a predicate function.
Avoid
unsafeunless absolutely necessary.Every module must begin with a
//!doc comment that explains the module's purpose and utility.Comments and docs must follow en-GB-oxendict (-ize / -our) spelling and grammar
Lints must not be silenced except as a last resort.
#[allow]is forbidden.- Only narrowly scoped
#[expect(lint, reason = "...")]is allowed.- No lint groups, no blanket or file-wide suppression.
- Include
FIXME:with link if a fix is expected.Where code is only used by specific features, it must be conditionally compiled or a conditional expectation for unused_code applied.
Use
rstestfixtures for shared setup and to avoid repetition between tests.Replace duplicated tests with
#[rstest(...)]parameterised cases.Prefer
mockallfor mocks/stubs.Prefer
.expect()over.unwrap()Ensure that any API or behavioural changes are reflected in the documentation in
docs/Ensure that any completed roadmap steps are recorded in the appropriate roadmap in
docs/Files must not exceed 400 lines in length
- Large modules must be decomposed
- Long match statements or dispatch tables should be decomposed by domain and collocated with targets
- Large blocks of inline data (e.g., test fixtures, constants or templates) must be moved to external files and inlined at compile-time or loaded at run-time.
Environment access (env::set_var and env::remove_var) are always unsafe in Rust 2024 and MUST be marked as such
- For testing of functionality depending upon environment variables, dependency injection and the
mockablecrate are the preferred option.- If mockable cannot be used, env mutations in tests ...
Files:
tests/resolve.rs
🧬 Code graph analysis (1)
tests/resolve.rs (1)
tests/utils/mod.rs (3)
start_mitm(49-98)vk_cmd(109-117)shutdown(30-33)
🔍 Remote MCP Deepwiki
Summary — additional repo facts relevant to this PR (concise)
-
Test infra: repo E2E tests use third-wheel / MITM proxy + recorded JSON fixtures and run the compiled binary via assert_cmd; tests are async (tokio) and use rstest / predicates for assertions. This is the pattern the new resolve-reply tests follow.
-
E2E specifics: tests start a local MITM and generate a temporary CA (OpenSSL) for HTTPS interception; tests override GITHUB_GRAPHQL_URL and set a dummy GITHUB_TOKEN. CI/runner must support openssl/CA generation for these tests.
-
Strict CI/test flags: the Makefile test target and CI treat warnings as errors (RUSTFLAGS="-D warnings"); clippy is run with -D warnings. Any new tests (and new feature-gated code) must compile cleanly under those flags.
-
Coverage/CI: the repository has a coverage workflow (.github/workflows/coverage.yml) that runs cargo-llvm-cov on PRs and uploads to Codecov. If the PR added a new coverage job (unstable-rest-resolve), ensure it uses the same runner/environment and that its commands/flags match project expectations.
-
Cargo features: the documented Cargo.toml features in the repository (default = ["toml"], plus config-format features) do not show an "unstable-rest-resolve" feature in the docs I read — verify the PR also declares that feature in Cargo.toml (otherwise CI invocations using --features unstable-rest-resolve will fail).
-
Review checklist items implied by the repo context:
- Confirm Cargo.toml adds the unstable-rest-resolve feature.
- Confirm CI job(s) added to run tests/clippy with --features unstable-rest-resolve use ubuntu-latest and have OpenSSL available.
- Verify the new tests are isolated/serialized if they share the MITM/CA (avoid flaky concurrent runs).
- Ensure tests compile/run with RUSTFLAGS="-D warnings" and clippy -D warnings.
Sources/tools used:,
🔇 Additional comments (3)
tests/resolve.rs (3)
3-4: Gate the suite by feature. LGTM.This keeps the new E2E behind an explicit flag and prevents accidental CI drift.
8-8: Ensure predicates is in dev-dependencies.Import is correct. Verify Cargo.toml lists predicates to avoid CI failures.
#!/usr/bin/env bash set -euo pipefail fd -a Cargo.toml | xargs -I{} rg -n '^\[dev-dependencies\]|\bpredicates\s*=' {}
56-102: Helper design is clean and side-effect free.Returning calls/stdout/stderr/status gives precise assertions at the call site. No issues.
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Actionable comments posted: 1
Caution
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⚠️ Outside diff range comments (1)
.github/workflows/coverage.yml (1)
35-47: Enable the feature for tests; otherwise these tests never run.The test step invokes make without passing the unstable feature, so feature-gated tests are skipped. Enable the feature in the CARGO shim.
Apply:
unstable-rest-resolve: runs-on: ubuntu-latest steps: - uses: actions/checkout@v5 - name: Setup Rust uses: leynos/shared-actions/.github/actions/setup-rust@ebbaaa0d7a776ec3187f3940667e5c7c9379cdf5 - name: Install OpenSSL run: sudo apt-get update && sudo apt-get install -y openssl ca-certificates - name: Lint (feature-gated) run: CARGO="cargo --locked" make lint CLIPPY_FLAGS="--all-targets --features unstable-rest-resolve -- -D warnings" - name: Test unstable REST resolve (feature-gated) - run: RUSTFLAGS="-D warnings" CARGO="cargo --locked" make test + run: RUSTFLAGS="-D warnings" CARGO="cargo --locked --features unstable-rest-resolve" make test
♻️ Duplicate comments (1)
tests/resolve.rs (1)
61-65: Remove assertions from the helper; return ExitStatus and assert at call site.Keep helpers side-effect free to localise failures and improve diagnostics.
Apply:
-async fn run_reply_flow( - rest_status: StatusCode, - should_succeed: bool, -) -> (Vec<String>, Vec<u8>, Vec<u8>) { +async fn run_reply_flow( + rest_status: StatusCode, + should_succeed: bool, +) -> (Vec<String>, Vec<u8>, Vec<u8>, std::process::ExitStatus) { @@ - let (stdout, stderr, status) = tokio::task::spawn_blocking(move || { + let (stdout, stderr, status) = tokio::task::spawn_blocking(move || { let output = vk_cmd(addr) @@ - .output() - .expect("run command"); - (output.stdout, output.stderr, output.status) + .output() + .expect("run command"); + (output.stdout, output.stderr, output.status) }) @@ - if should_succeed { - assert!(status.success()); - } else { - assert!(!status.success()); - } shutdown.shutdown().await; - (calls.lock().expect("lock").clone(), stdout, stderr) + (calls.lock().expect("lock").clone(), stdout, stderr, status) } @@ -async fn resolve_flows_reply( +async fn resolve_flows_reply( #[case] rest_status: StatusCode, #[case] should_succeed: bool, #[case] expected: &'static [&'static str], ) { - let (calls, stdout, stderr) = run_reply_flow(rest_status, should_succeed).await; + let (calls, stdout, stderr, status) = run_reply_flow(rest_status, should_succeed).await; let stdout = String::from_utf8_lossy(&stdout); let stderr = String::from_utf8_lossy(&stderr); let code = rest_status.as_u16().to_string(); assert!(stdout.trim().is_empty(), "unexpected stdout: {stdout}"); - if should_succeed { + if should_succeed { + assert!(status.success(), "status: {status:?}, stderr: {stderr}"); assert!(stderr.trim().is_empty(), "unexpected stderr: {stderr}"); - } else { + } else { + assert!(!status.success(), "expected failure; got success"); assert!( predicate::str::contains("replies") .and(predicate::str::contains(code.as_str())) .eval(&stderr), "stderr: {stderr}" ); } assert_eq!(calls.as_slice(), expected); }Also applies to: 92-113, 145-166
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**/*.rs
📄 CodeRabbit inference engine (AGENTS.md)
**/*.rs: Every module must begin with a module level (//!) comment explaining the module's purpose and utility.
Document public APIs using Rustdoc comments (///) so documentation can be generated with cargo doc.
Place function attributes after doc comments.
Do not usereturnin single-line functions.
Use predicate functions for conditional criteria with more than two branches.
Prefer immutable data and avoid unnecessarymutbindings.
Handle errors with theResulttype instead of panicking where feasible.
Prefer semantic error enums: Derivestd::error::Error(via thethiserrorcrate) for any condition the caller might inspect, retry, or map to an HTTP status.
Use an opaque error only at the app boundary: Useeyre::Reportfor human-readable logs; these should not be exposed in public APIs.
Never export the opaque type from a library: Convert to domain enums at API boundaries, and toeyreonly in the mainmain()entrypoint or top-level async task.
Clippy warnings MUST be disallowed.
Fix any warnings emitted during tests in the code itself rather than silencing them.
Where a function is too long, extract meaningfully named helper functions adhering to separation of concerns and CQRS.
Where a function has too many parameters, group related parameters in meaningfully named structs.
Where a function is returning a large error consider usingArcto reduce the amount of data returned.
Write unit and behavioural tests for new functionality. Run both before and after making any change.
Avoidunsafecode unless absolutely necessary and document any usage clearly.
Lints must not be silenced except as a last resort.
Lint rule suppressions must be tightly scoped and include a clear reason.
Preferexpectoverallow.
Prefer.expect()over.unwrap().
Useconcat!()to combine long string literals rather than escaping newlines with a backslash.
Files:
tests/resolve.rs
⚙️ CodeRabbit configuration file
**/*.rs: * Seek to keep the cyclomatic complexity of functions no more than 12.
Adhere to single responsibility and CQRS
Place function attributes after doc comments.
Do not use
returnin single-line functions.Move conditionals with >2 branches into a predicate function.
Avoid
unsafeunless absolutely necessary.Every module must begin with a
//!doc comment that explains the module's purpose and utility.Comments and docs must follow en-GB-oxendict (-ize / -our) spelling and grammar
Lints must not be silenced except as a last resort.
#[allow]is forbidden.- Only narrowly scoped
#[expect(lint, reason = "...")]is allowed.- No lint groups, no blanket or file-wide suppression.
- Include
FIXME:with link if a fix is expected.Where code is only used by specific features, it must be conditionally compiled or a conditional expectation for unused_code applied.
Use
rstestfixtures for shared setup and to avoid repetition between tests.Replace duplicated tests with
#[rstest(...)]parameterised cases.Prefer
mockallfor mocks/stubs.Prefer
.expect()over.unwrap()Ensure that any API or behavioural changes are reflected in the documentation in
docs/Ensure that any completed roadmap steps are recorded in the appropriate roadmap in
docs/Files must not exceed 400 lines in length
- Large modules must be decomposed
- Long match statements or dispatch tables should be decomposed by domain and collocated with targets
- Large blocks of inline data (e.g., test fixtures, constants or templates) must be moved to external files and inlined at compile-time or loaded at run-time.
Environment access (env::set_var and env::remove_var) are always unsafe in Rust 2024 and MUST be marked as such
- For testing of functionality depending upon environment variables, dependency injection and the
mockablecrate are the preferred option.- If mockable cannot be used, env mutations in tests ...
Files:
tests/resolve.rs
🧬 Code graph analysis (1)
tests/resolve.rs (1)
tests/utils/mod.rs (3)
start_mitm(49-98)vk_cmd(109-117)shutdown(30-33)
🔍 Remote MCP Deepwiki
Relevant facts for reviewing PR #120
-
The repository’s Cargo features do NOT define unstable-rest-resolve (default features include only "toml"); running cargo with --features unstable-rest-resolve will fail unless Cargo.toml is updated.
-
New tests spin up a MITM proxy (third-wheel) and generate an OpenSSL CA at runtime; CI runners must have OpenSSL available (or the workflow must install it) for tests to run. Tests also rely on third-wheel/mitm proxy and assert_cmd/predicates for CLI output checks.
-
The added GitHub Actions job (coverage.yml change) includes an explicit Install OpenSSL step for the unstable-rest-resolve job — this mirrors the runtime requirement of the new tests and is necessary in CI to avoid failures. Confirm the PR’s workflow adds that step (otherwise CI will fail).
-
Tests and CI enforce strict -D warnings and clippy rules; feature-gated lint/test runs must match Cargo features and CLIPPY_FLAGS in Makefile/workflows to avoid unexpected failures.
-
E2E tests use recorded fixtures and the MITM handler; they expect deterministic REST/GraphQL interactions and validate stdout/stderr via predicates — the new parameterized tests return (calls, stdout, stderr) so reviewers should verify assertions on stderr/stdout match expected behavior for each status case.
🔇 Additional comments (6)
tests/resolve.rs (6)
3-4: Gate the module at the file level — LGTM.Keep the single crate-level cfg; avoid reintroducing per-item cfg noise.
8-8: Import predicates for stderr/stdout assertions — LGTM.This enables strong UX checks without custom helpers.
45-50: Assert clean TTY on success — LGTM.Keep stdout/stderr empty checks to prevent regressions in user-visible noise.
72-76: Status routing for /replies vs. /graphql — LGTM.Keep GraphQL OK and drive /replies via the case parameter to exercise fallback and fail-fast paths.
Also applies to: 87-87
117-126: Cover the 200-OK reply path in the matrix — LGTM.This keeps the happy path co-located with failure cases.
136-139: Exercise the 403 path — LGTM.Auth failures are now validated in the CLI error surface.
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Actionable comments posted: 1
♻️ Duplicate comments (1)
tests/resolve.rs (1)
14-16: Parametrise or drop rstest for single-case test.Drive both “no message” and “-m done” or make this a plain test.
Apply:
#[tokio::test] #[rstest::rstest] -#[case(None)] +#[case(None)] +#[case(Some("done"))] async fn resolve_flows(#[case] msg: Option<&'static str>) {
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**/*.rs
📄 CodeRabbit inference engine (AGENTS.md)
**/*.rs: Every module must begin with a module level (//!) comment explaining the module's purpose and utility.
Document public APIs using Rustdoc comments (///) so documentation can be generated with cargo doc.
Place function attributes after doc comments.
Do not usereturnin single-line functions.
Use predicate functions for conditional criteria with more than two branches.
Prefer immutable data and avoid unnecessarymutbindings.
Handle errors with theResulttype instead of panicking where feasible.
Prefer semantic error enums: Derivestd::error::Error(via thethiserrorcrate) for any condition the caller might inspect, retry, or map to an HTTP status.
Use an opaque error only at the app boundary: Useeyre::Reportfor human-readable logs; these should not be exposed in public APIs.
Never export the opaque type from a library: Convert to domain enums at API boundaries, and toeyreonly in the mainmain()entrypoint or top-level async task.
Clippy warnings MUST be disallowed.
Fix any warnings emitted during tests in the code itself rather than silencing them.
Where a function is too long, extract meaningfully named helper functions adhering to separation of concerns and CQRS.
Where a function has too many parameters, group related parameters in meaningfully named structs.
Where a function is returning a large error consider usingArcto reduce the amount of data returned.
Write unit and behavioural tests for new functionality. Run both before and after making any change.
Avoidunsafecode unless absolutely necessary and document any usage clearly.
Lints must not be silenced except as a last resort.
Lint rule suppressions must be tightly scoped and include a clear reason.
Preferexpectoverallow.
Prefer.expect()over.unwrap().
Useconcat!()to combine long string literals rather than escaping newlines with a backslash.
Files:
tests/resolve.rs
⚙️ CodeRabbit configuration file
**/*.rs: * Seek to keep the cyclomatic complexity of functions no more than 12.
Adhere to single responsibility and CQRS
Place function attributes after doc comments.
Do not use
returnin single-line functions.Move conditionals with >2 branches into a predicate function.
Avoid
unsafeunless absolutely necessary.Every module must begin with a
//!doc comment that explains the module's purpose and utility.Comments and docs must follow en-GB-oxendict (-ize / -our) spelling and grammar
Lints must not be silenced except as a last resort.
#[allow]is forbidden.- Only narrowly scoped
#[expect(lint, reason = "...")]is allowed.- No lint groups, no blanket or file-wide suppression.
- Include
FIXME:with link if a fix is expected.Where code is only used by specific features, it must be conditionally compiled or a conditional expectation for unused_code applied.
Use
rstestfixtures for shared setup and to avoid repetition between tests.Replace duplicated tests with
#[rstest(...)]parameterised cases.Prefer
mockallfor mocks/stubs.Prefer
.expect()over.unwrap()Ensure that any API or behavioural changes are reflected in the documentation in
docs/Ensure that any completed roadmap steps are recorded in the appropriate roadmap in
docs/Files must not exceed 400 lines in length
- Large modules must be decomposed
- Long match statements or dispatch tables should be decomposed by domain and collocated with targets
- Large blocks of inline data (e.g., test fixtures, constants or templates) must be moved to external files and inlined at compile-time or loaded at run-time.
Environment access (env::set_var and env::remove_var) are always unsafe in Rust 2024 and MUST be marked as such
- For testing of functionality depending upon environment variables, dependency injection and the
mockablecrate are the preferred option.- If mockable cannot be used, env mutations in tests ...
Files:
tests/resolve.rs
🧬 Code graph analysis (1)
tests/resolve.rs (1)
tests/utils/mod.rs (3)
start_mitm(49-98)vk_cmd(109-117)shutdown(30-33)
🔍 Remote MCP Ref
Summary of additional facts relevant to reviewing PR #120
-
Cargo features: repository Cargo.toml does not define an unstable-rest-resolve feature on main — running tests with --features unstable-rest-resolve requires adding that feature or existing feature definitions to the branch under review.,
-
Test runtime dependencies: the new tests spin up a MITM proxy and generate an OpenSSL CA at runtime; CI must install OpenSSL for tests to run. The PR’s added CI job in .github/workflows/coverage.yml includes an explicit "Install OpenSSL" step for the unstable-rest-resolve job (so workflow change is required/expected). Verify the workflow change is present in the PR branch.,
-
Lint/test flags: CI and Makefile use feature-gated CLIPPY_FLAGS and RUSTFLAGS (-D warnings). The unstable-rest-resolve feature must align with the Makefile/workflow CLIPPY_FLAGS and test invocation to avoid lint/test failures. Confirm Makefile targets referenced by the workflow accept the feature and flags as used.
-
Tests structure and assertions: tests/resolve.rs on the branch introduces run_reply_flow(...) to centralize MITM setup, logs and invoke vk_cmd; tests are parameterized (rstest) to cover REST statuses 200/404/403/500 and assert stdout/stderr presence (stdout expected empty; stderr empty for success, contains "replies" + status code for failures). Reviewers should verify expected GraphQL fallback behavior for 404 and CLI failure behavior for 500 are correctly simulated and asserted.
Tools/sources used: Ref_ref_search_documentation, Ref_ref_read_url.
🔇 Additional comments (7)
.github/workflows/coverage.yml (1)
47-48: Drop the suggested change — Makefile already enables the feature-gated testsThe Makefile's
testtarget runs$(CARGO) test --all-targets --all-features; withCARGO="cargo --locked"the CImake testinvocation already enablesunstable-rest-resolve(no directcargo testchange required).Likely an incorrect or invalid review comment.
tests/resolve.rs (6)
3-4: Gate the entire module on the feature. LGTM.
8-8: Predicate-based stderr/stdout checks imported. LGTM.
45-50: Assert silent success. LGTM.Validate zero stdout/stderr on success.
92-103: Side-effect-free helper returning ExitStatus. LGTM.Also applies to: 107-108
110-121: Exercise 200/404/403/500 matrix. LGTM.Also applies to: 121-129, 130-134, 135-139
140-163: Generalised failure assertion and strict output checks. LGTM.
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Summary
Testing
make fmtmake lintmake testhttps://chatgpt.com/codex/tasks/task_e_68c064bdbb988322bb5cbcabfb63b237
Summary by Sourcery
Add REST failure tests for the resolve reply flow to verify CLI behavior on 404 and server error responses
Tests: