ng test does not run tests from new test files when watching
Nobody has claimed this yet.
Assessment
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Newbie friendliness
- 35/100
- Issue type
- Bug
- Clarity
- Mostly clear
- Activity status
- Stale
- Tech stack
- angular, typescript
Research direction
Reproduce the behavior with the listed ng new, ng test, and ng g component widget commands, then trace the ng test watch flow that detects and recompiles the new test file. Compare the initial and restarted test runs; done means tests in newly added files execute during watching without restarting the process.
Written by the indexing model from the issue text.
Description
Command
test
Is this a regression?
- Yes, this behavior used to work in the previous version
The previous version in which this bug was not present was
No response
Description
While ng test is running and watching for changes, if you add a new test file, that file is detected and causes the tests to run again, but the tests in that new file are not included in the test run. To include the tests from the new file, you need to restart the ng test process.
Minimal Reproduction
- In a terminal, run:
ng new watch --skip-git --style css --ssr=false
ng test
- Three tests are run.
- In a second terminal, run:
ng g component widget
- A new component is created with a test file that contains one test.
- The new test file is detected and the tests recompile.
- Only three tests are run.
- Add another test to the new component's test file.
- The change is detected and the tests recompile.
- Only three tests are run.
- Kill the
ng testprocess. - Run
ng testagain. - Five tests are run.
Exception or Error
No response
Your Environment
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/ \ _ __ __ _ _ _| | __ _ _ __ / ___| | |_ _|
/ △ \ | '_ \ / _` | | | | |/ _` | '__| | | | | | |
/ ___ \| | | | (_| | |_| | | (_| | | | |___| |___ | |
/_/ \_\_| |_|\__, |\__,_|_|\__,_|_| \____|_____|___|
|___/
Angular CLI: 17.0.3
Node: 20.9.0
Package Manager: npm 10.1.0
OS: win32 x64
Angular:
...
Package Version
------------------------------------------------------
@angular-devkit/architect 0.1700.3 (cli-only)
@angular-devkit/core 17.0.3 (cli-only)
@angular-devkit/schematics 17.0.3 (cli-only)
@schematics/angular 17.0.3 (cli-only)
Anything else relevant?
Here's a screen recording to help explain what I'm seeing.
- Dominant language
- TypeScript
- Stars
- 27k
- Forks
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- Avg merge
- 16h 35m
- Merged PRs (30d)
- 176
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
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