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Improved readability of matcher-related deprecations

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* Include stack traces. This makes it easier to find the matcher that
needs to be updated, particularly when it comes from a library rather
than the user's own code.

* Show each deprecation only once unless `config.verboseDeprecations`
is set. Since matchers are often added in a global `beforeEach`, logging
deprecations every time can be overwhelming.
This commit is contained in:
Steve Gravrock
2020-01-18 10:39:51 -08:00
committed by Steve Gravrock
parent 90d6f9d73c
commit 9aed55bb91
11 changed files with 216 additions and 47 deletions
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54
spec/core/EnvSpec.js
View File

@@ -281,6 +281,60 @@ describe('Env', function() {
});
});
describe('#deprecatedOnceWithStack', function() {
it('includes a stack trace', function() {
spyOn(env, 'deprecated');
env.deprecatedOnceWithStack('msg');
expect(env.deprecated).toHaveBeenCalled();
var msg = env.deprecated.calls.argsFor(0)[0];
expect(msg).toContain('msg');
expect(msg).toContain('EnvSpec.js');
expect(msg).not.toContain('Error');
});
describe('When verboseDeprecations is true', function() {
it('calls #deprecated every time', function() {
env.configure({ verboseDeprecations: true });
spyOn(env, 'deprecated');
env.deprecatedOnceWithStack('msg');
env.deprecatedOnceWithStack('msg');
expect(env.deprecated).toHaveBeenCalledWith(
jasmine.stringMatching(/msg/)
);
expect(env.deprecated).toHaveBeenCalledTimes(2);
expect(env.deprecated).not.toHaveBeenCalledWith(
jasmine.stringMatching(/only once/)
);
});
});
describe('When verboseDeprecations is false', function() {
it('calls #deprecated once per unique message', function() {
env.configure({ verboseDeprecations: false });
spyOn(env, 'deprecated');
env.deprecatedOnceWithStack('foo');
env.deprecatedOnceWithStack('bar');
env.deprecatedOnceWithStack('foo');
expect(env.deprecated).toHaveBeenCalledWith(
jasmine.stringMatching(
/foo\nNote: This message will be shown only once. Set config.verboseDeprecations to true to see every occurrence/m
)
);
expect(env.deprecated).toHaveBeenCalledWith(
jasmine.stringMatching(
/bar\nNote: This message will be shown only once. Set config.verboseDeprecations to true to see every occurrence/m
)
);
expect(env.deprecated).toHaveBeenCalledTimes(2);
});
});
});
describe('when not constructed with suppressLoadErrors: true', function() {
it('installs a global error handler on construction', function() {
var globalErrors = jasmine.createSpyObj('globalErrors', [