Test the binary

[netanelgilad]

@claude

[2:14 PM]Netanel Gilad תגיד, הטסטים בcli
[2:14 PM]מריצים את הcli על אמת ונותנים לו משתני סביבה שמפנים אותו לעשות קריאות לmock server?
[2:20 PM]Kfir Strikovsky nope
[2:21 PM]כרגע זה ממש עושה איפורט לdist וקורה ל runCLI, ה msw mock server  הוא in memory
[2:21 PM]זה היה הפתרון הפשוט יותר.. אבל זה כבר ניהיה לא רלוונטי עכשיו שיש לנו בינאריים =\
[2:23 PM]Netanel Gilad מגניב, אתה בעד הכיוון של להריץ את הבינארי האמיתי עם מתשני סביבה שיפנו אותו למוקים?
[2:35 PM]Kfir Strikovsky כן, מאוד בעד לבדוק את הבינארי :muscle:
היום פשוט אין את התשתית להריץ שרת מוקים משלנו, יש לנו msw, צריך לכתוב את זה ואז נוכל לבדוק את הCLI אשכרה כexecutable[2:37 PM]Netanel Gilad msw can also run as an external process nope?
[2:42 PM]Kfir Strikovsky walla seems so https://github.com/mswjs/http-middleware
mswjs/http-middlewareSpawn an HTTP server from your request handlers or apply them to an existing server using a middleware.Websitehttps://npm.im/@mswjs/http-middlewareStars123Added by [GitHub](https://base44workspace.slack.com/services/B0955CT7D1V)[2:46 PM]Netanel Gilad [@Claude](https://base44workspace.slack.com/team/U0A5Y85T607) what do you think, can you refactor the base44/cli repo tests to test the real binary using all of the above?
[2:46 PM]shit, I thought it works in DMs hehe
[2:46 PM]Kfir Strikovsky lol
[2:46 PM]Netanel Gilad thought someone did it my DMs
[2:46 PM]Kfir Strikovsky but wait don't refactor everything
[2:46 PM]maybe lets add another folder
[2:47 PM]tests/binary
[2:47 PM]i just htink it's a huge refactor now
[2:47 PM]or maybe not cause we have the TestKit, so maybe it;s more simple then i think
[2:47 PM]Netanel Gilad it's not just a replacement in the testkit?
[2:47 PM]Kfir Strikovsky אוקי יאללה תן לו
[2:47 PM]נבהלתי רגע עכשיו שהוא יזיז לי 200 טסטים
[2:47 PM]Netanel Gilad the tests code seems kinda agnostic to it yeah
[2:47 PM]Kfir Strikovsky חחח

[claude]

Claude encountered an error —— View job

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Implementation Plan

Approach: Add a new tests/binary/ folder with its own testkit that:

• Spawns the real CLI binary (bin/run.js) as a subprocess via execa
• Starts a real HTTP server (using Express, already in devDeps) that serves mocked API responses
• Passes BASE44_API_URL=http://localhost:<port> so the binary calls the local mock server
• Reuses same CLIResult/CLIResultMatcher for assertions
• No new dependencies needed (express, execa, get-port, tmp-promise are all already in devDeps)

No changes to existing tests. All existing tests continue to work as-is.

Todos

• Explore current test structure and TestKit implementation
• Understand how tests currently run (in-process MSW, dist import)
• Create tests/binary/testkit/BinaryAPIServer.ts - Express HTTP server with same mock API as Base44APIMock
• Create tests/binary/testkit/BinaryTestkit.ts - spawns bin/run.js via execa
• Create tests/binary/testkit/index.ts - setupBinaryTests() function
• Create tests/binary/deploy.spec.ts - example binary tests
• Verify everything typechecks

[claude]

Claude encountered an error —— View job

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I'll analyze this and get back to you.

[netanelgilad]

@claude try again

[claude]

Claude finished @netanelgilad's task in 7m 5s —— View job • claude/issue-391-20260309-1400 • Create PR ➔

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Done ✓

Added a new tests/binary/ folder with full binary test infrastructure. No changes to existing tests.

What was created:

• tests/binary/testkit/BinaryAPIServer.ts — Real Express HTTP server on a random port. Same mock* interface as Base44APIMock but serves actual HTTP responses instead of MSW intercepts.

• tests/binary/testkit/BinaryTestkit.ts — Spawns the real bin/run.js via execa with:

  • BASE44_API_URL pointing at the local mock server
  • HOME set to a temp dir (auth isolation)
  • CI=true (non-interactive), BASE44_DISABLE_TELEMETRY=1
  • BASE44_CLI_TEST_OVERRIDES for latestVersion suppression and appConfig

• tests/binary/testkit/index.ts — setupBinaryTests() lifecycle helper (mirrors setupCLITests()), fixture() helper

• tests/binary/deploy.spec.ts — 6 example tests covering the deploy command (all passing ✓)

Key design decisions:

• Tests skip automatically via describe.skipIf(!distExists) when dist/cli/index.js isn't built — no noise in CI before build step
• Fresh BinaryAPIServer + temp dir per test → full isolation without needing resetHandlers()
• All dependencies (express, execa, get-port, tmp-promise) were already in devDependencies

[kfirstri]

@claude what would be the complexity of changing / migrating the current cli/tests to use the same api server as a different process and spawn the CLI? create a new branch

[claude]

Claude finished @kfirstri's task in 8m 1s —— View job • claude/issue-391-20260309-1415 • Create PR ➔

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Done ✓

Complexity: Low. All 21 existing test spec files are unchanged — the TestContext interface already abstracts the execution mechanism perfectly. Only 3 testkit files needed changes.

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How it works

Set BINARY_TEST_MODE=1 to switch all tests/cli/ tests to spawn the real binary:

BINARY_TEST_MODE=1 bun run test  # requires bun run build first
bun run test                     # in-process mode (default, fast)

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What changed (3 files)

BinaryAPIServer.ts (new) — Express HTTP server with identical mock* interface to Base44APIMock. The binary connects to it via BASE44_API_URL=http://localhost:<port>.

CLITestkit.ts (modified) — Added runBinary() path:

• Uses execa to spawn bin/run.js as a real subprocess
• Sets cwd to project dir (replaces process.cwd() mock)
• Passes BASE44_API_URL + BASE44_CLI_TEST_OVERRIDES as env vars
• Captures stdout/stderr/exitCode natively (no spies or process.exit mocking)
• cleanup() stops the HTTP server

index.ts (modified) — MSW server lifecycle (listen/resetHandlers/close) is skipped when BINARY_TEST_MODE=1.

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Key tradeoffs vs full migration

	In-process (default)	Binary mode
Speed	Fast (ms/test)	~100–200ms per test for subprocess spawn
Tests the real binary	❌	✓
Requires build	❌	✓ (bun run build)
Module isolation	vi.resetModules()	Natural (subprocess)
Test file changes	0	0

The in-process mode is kept as the default for fast local development iteration. CI can run BINARY_TEST_MODE=1 after the build step to validate the real binary end-to-end.