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Show diffs involving root-level asymmetric equality testers

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* Fixes #1831
This commit is contained in:
Steve Gravrock
2020-07-08 17:02:11 -07:00
parent f8ae3eaeaa
commit aa6cc31057
5 changed files with 87 additions and 20 deletions
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46
spec/core/matchers/DiffBuilderSpec.js
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@@ -133,4 +133,50 @@ describe("DiffBuilder", function () {
expect(diffBuilder.getMessage()).toEqual(expectedMsg);
});
it('builds diffs involving asymmetric equality testers that implement valuesForDiff_ at the root', function() {
var prettyPrinter = jasmineUnderTest.makePrettyPrinter([]),
diffBuilder = new jasmineUnderTest.DiffBuilder({prettyPrinter: prettyPrinter}),
expectedMsg = 'Expected $.foo = 1 to equal 2.\n' +
"Expected $.baz = undefined to equal 3.";
diffBuilder.setRoots(
{foo: 1, bar: 2},
jasmine.objectContaining({foo: 2, baz: 3})
);
diffBuilder.withPath('foo', function() {
diffBuilder.recordMismatch();
});
diffBuilder.withPath('baz', function() {
diffBuilder.recordMismatch();
});
expect(diffBuilder.getMessage()).toEqual(expectedMsg);
});
it('builds diffs involving asymmetric equality testers that implement valuesForDiff_ below the root', function() {
var prettyPrinter = jasmineUnderTest.makePrettyPrinter([]),
diffBuilder = new jasmineUnderTest.DiffBuilder({prettyPrinter: prettyPrinter}),
expectedMsg = 'Expected $.x.foo = 1 to equal 2.\n' +
"Expected $.x.baz = undefined to equal 3.";
diffBuilder.setRoots(
{x: {foo: 1, bar: 2}},
{x: jasmine.objectContaining({foo: 2, baz: 3})}
);
diffBuilder.withPath('x', function() {
diffBuilder.withPath('foo', function () {
diffBuilder.recordMismatch();
});
diffBuilder.withPath('baz', function () {
diffBuilder.recordMismatch();
});
});
expect(diffBuilder.getMessage()).toEqual(expectedMsg);
});
});