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[Telmetry] Add test cases

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Add test cases for TelemetrySubscription related to listening
for mutation, to support views of domain objects which delegate
telemetry, for WTD-1329.
This commit is contained in:
Victor Woeltjen 2015-06-24 13:25:05 -07:00
parent 360c3fcf15
commit befbcab892
1 changed files with 20 additions and 0 deletions
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20
platform/telemetry/test/TelemetrySubscriptionSpec.js
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@ -34,6 +34,7 @@ define(
mockTelemetry,
mockMutation,
mockUnsubscribe,
mockUnlisten,
mockSeries,
testMetadata,
subscription;
@ -65,6 +66,7 @@ define(
["mutate", "listen"]
);
mockUnsubscribe = jasmine.createSpy("unsubscribe");
mockUnlisten = jasmine.createSpy("unlisten");
mockSeries = jasmine.createSpyObj(
"series",
[ "getPointCount", "getDomainValue", "getRangeValue" ]
@ -84,6 +86,8 @@ define(
mockTelemetry.subscribe.andReturn(mockUnsubscribe);
mockTelemetry.getMetadata.andReturn(testMetadata);
mockMutation.listen.andReturn(mockUnlisten);
mockSeries.getPointCount.andReturn(42);
mockSeries.getDomainValue.andReturn(123456);
mockSeries.getRangeValue.andReturn(789);
@ -223,6 +227,22 @@ define(
expect(mockCallback2)
.toHaveBeenCalledWith([ mockDomainObject ]);
});
it("reinitializes on mutation", function () {
expect(mockTelemetry.subscribe.calls.length).toEqual(1);
// Notify of a mutation which appears to change composition
mockMutation.listen.mostRecentCall.args[0]({
composition: ['Z']
});
// Use subscribe call as an indication of reinitialization
expect(mockTelemetry.subscribe.calls.length).toEqual(2);
});
it("stops listening for mutation on unsubscribe", function () {
expect(mockUnlisten).not.toHaveBeenCalled();
subscription.unsubscribe();
expect(mockUnlisten).toHaveBeenCalled();
});
});
}
);