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Implement #745 for api::SchemaError #876

Merged
merged 12 commits into from
May 28, 2024
Merged

Implement #745 for api::SchemaError #876

merged 12 commits into from
May 28, 2024

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shaobo-he-aws
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@shaobo-he-aws shaobo-he-aws commented May 15, 2024

Description of changes

This PR also changes the signature of the validator's SchemaError.

Issue #, if available

#745

Checklist for requesting a review

The change in this PR is (choose one, and delete the other options):

  • A breaking change requiring a major version bump to cedar-policy (e.g., changes to the signature of an existing API).

I confirm that this PR (choose one, and delete the other options):

  • Updates the "Unreleased" section of the CHANGELOG with a description of my change (required for major/minor version bumps).

I confirm that cedar-spec (choose one, and delete the other options):

  • Does not require updates because my change does not impact the Cedar formal model or DRT infrastructure.

Signed-off-by: Shaobo He <shaobohe@amazon.com>
cedar-policy/src/api/err.rs Outdated Show resolved Hide resolved
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Signed-off-by: Shaobo He <shaobohe@amazon.com>
Signed-off-by: Shaobo He <shaobohe@amazon.com>
Signed-off-by: Shaobo He <shaobohe@amazon.com>
Signed-off-by: Shaobo He <shaobohe@amazon.com>
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@aaronjeline aaronjeline left a comment

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Agree with johns comment

cedar-policy/src/api/err.rs Outdated Show resolved Hide resolved
cedar-policy/src/api/err.rs Outdated Show resolved Hide resolved
cedar-policy/src/api/err.rs Outdated Show resolved Hide resolved
cedar-policy/src/api/err.rs Outdated Show resolved Hide resolved
Comment on lines 222 to 224
pub fn get_node_in_cycle(&self) -> SmolStr {
self.node.to_smolstr()
}
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Would it make sense to return the EntityUid here?

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I think we'd better not expose implementation details here, which include what nodes are.

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I think it's sensible for a CycleInActionHierarchyError to have a getter which tells users the EntityUid of the action that was in the cycle. I agree we shouldn't expose implementation details about nodes, but I think returning an EntityUid is much more helpful to users than a string.

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Signed-off-by: Shaobo He <shaobohe@amazon.com>
Signed-off-by: Shaobo He <shaobohe@amazon.com>
Signed-off-by: Shaobo He <shaobohe@amazon.com>
Signed-off-by: Shaobo He <shaobohe@amazon.com>
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shaobo-he-aws commented May 24, 2024

Pushed a new design.

  1. Replaced the SchemaError in cedar-policy with the one in cedar-policy-validator. I think it's the best for maintainability, even at the cost of messing up semver checks.
  2. Group all sub-error types of SchemaError in a submodule of err and re-export it in cedar-policy.

A drawback of this design is that we can't write precise getter APIs for sub-error types. For instance, entity UIDs have different types in cedar-policy and cedar-policy-validator.

/// Error thrown by the `serde_json` crate during serialization
#[error(transparent)]
#[diagnostic(transparent)]
// no #[from], because if you just have a serde_json::Error you should choose between JsonDeserialization and JsonSerialization appropriately
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Should the JsonDeserialization variant also not have #[from]?

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Good catch. Fixed.

Signed-off-by: Shaobo He <shaobohe@amazon.com>
Signed-off-by: Shaobo He <shaobohe@amazon.com>
@shaobo-he-aws shaobo-he-aws merged commit 11ae14a into main May 28, 2024
14 of 17 checks passed
@shaobo-he-aws shaobo-he-aws deleted the chore/shaobo/745 branch May 28, 2024 18:27
shaobo-he-aws added a commit to cedar-policy/cedar-examples that referenced this pull request May 28, 2024
Signed-off-by: Shaobo He <shaobohe@amazon.com>
shaobo-he-aws added a commit to cedar-policy/cedar-spec that referenced this pull request May 28, 2024
Signed-off-by: Shaobo He <shaobohe@amazon.com>
shaobo-he-aws added a commit to cedar-policy/cedar-examples that referenced this pull request May 28, 2024
Signed-off-by: Shaobo He <shaobohe@amazon.com>
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4 participants