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Tests with code coverage fail when using Angular 12.2.10

See original GitHub issue

🐞 Bug report

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Is this a regression?

While running tests with code coverage ng test --code-coverage=true Karma fails with error.

Version 12.2.9 doesn’t have this problem.

Description

🔬 Minimal Reproduction

ng test --code-coverage=true

🔥 Exception or Error

./src/app/timesheet/services/timesheet.service.ts - Error: Module build failed (from ./node_modules/@jsdevtools/coverage-istanbul-loader/lib/index.js):
Error: /home/hosuaby/projects/my-timesheet/src/app/timesheet/services/timesheet.service.ts: don't know how to turn this value into a node
    at valueToNode (/home/hosuaby/projects/my-timesheet/node_modules/@babel/types/lib/converters/valueToNode.js:98:9)
    at Object.valueToNode (/home/hosuaby/projects/my-timesheet/node_modules/@babel/types/lib/converters/valueToNode.js:92:58)
    at Object.exit (/home/hosuaby/projects/my-timesheet/node_modules/istanbul-lib-instrument/dist/visitor.js:641:30)
    at PluginPass.exit (/home/hosuaby/projects/my-timesheet/node_modules/istanbul-lib-instrument/dist/instrumenter.js:104:29)
    at newFn (/home/hosuaby/projects/my-timesheet/node_modules/@babel/traverse/lib/visitors.js:177:21)
    at NodePath._call (/home/hosuaby/projects/my-timesheet/node_modules/@babel/traverse/lib/path/context.js:53:20)
    at NodePath.call (/home/hosuaby/projects/my-timesheet/node_modules/@babel/traverse/lib/path/context.js:40:17)
    at NodePath.visit (/home/hosuaby/projects/my-timesheet/node_modules/@babel/traverse/lib/path/context.js:99:8)
    at TraversalContext.visitQueue (/home/hosuaby/projects/my-timesheet/node_modules/@babel/traverse/lib/context.js:103:16)
    at TraversalContext.visitSingle (/home/hosuaby/projects/my-timesheet/node_modules/@babel/traverse/lib/context.js:77:19)

🌍 Your Environment

Node: v16.4.2 Angular: 12.2.10

Issue Analytics

State:
Created 2 years ago
Reactions:11
Comments:5

Top GitHub Comments

2reactions

rbirkgitcommented, Oct 21, 2021

Tested with 12.2.11 and my issues went away. Thanks!

1reaction

rbirkgitcommented, Oct 18, 2021

I found a way to reproduce. Create a new project: ng new repro-app Then add the following comment anywhere to app.component.ts Then: ng test --code-coverage=true

// asynchronous

I think more words than ‘asynchronous’ will cause the issue, but at least one way to reproduce.

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