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build: fix runtime errors not being logged out on karma initialization (#9888)

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Currently if something throws an error right after Karma has initialized, the log will look something like the following:

```
HeadlessChrome 0.0.0 (Windows 10 0.0.0) ERROR
  {
    "originalErr": {},
    "__zone_symbol__currentTask": {
      "type": "microTask",
      "state": "notScheduled",
      "source": "Promise.then",
      "zone": "<root>",
      "cancelFn": null,
      "runCount": 0
    }
  }
```

These changes log out the stack trace explicitly so we have some more info to work with if it happens.
This commit is contained in:
Kristiyan Kostadinov
2018-02-13 16:51:35 +01:00
committed by Jeremy Elbourn
parent 7feaeb1f9e
commit c3b84659c8
1 changed files with 8 additions and 2 deletions
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test/karma-test-shim.js
+8 -2
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@@ -117,9 +117,15 @@ System.config({
});
// Configure the Angular test bed and run all specs once configured.
configureTestBed()
configureTestBed()
.then(runMaterialSpecs)
.then(__karma__.start, __karma__.error);
.then(__karma__.start, function(error) {
// Passing in the error object directly to Karma won't log out the stack trace and
// passing the `originalErr` doesn't work correctly either. We have to log out the
// stack trace so we can actually debug errors before the tests have started.
console.error(error.originalErr.stack);
__karma__.error(error);
});
/** Runs the Angular Material specs in Karma. */