openmct/platform/commonUI/general/test/controllers/GetterSetterControllerSpec.js
2020-09-14 11:17:31 -07:00

84 lines
3.6 KiB
JavaScript

/*****************************************************************************
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* Administration. All rights reserved.
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* Open MCT is licensed under the Apache License, Version 2.0 (the
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define(
["../../src/controllers/GetterSetterController"],
function (GetterSetterController) {
describe("The getter-setter controller", function () {
var mockScope,
mockModel,
controller;
beforeEach(function () {
mockScope = jasmine.createSpyObj("$scope", ["$watch"]);
mockModel = jasmine.createSpy("ngModel");
mockScope.ngModel = mockModel;
controller = new GetterSetterController(mockScope);
});
it("watches for changes to external and internal mode", function () {
expect(mockScope.$watch).toHaveBeenCalledWith(
"ngModel()",
jasmine.any(Function)
);
expect(mockScope.$watch).toHaveBeenCalledWith(
"getterSetter.value",
jasmine.any(Function)
);
});
it("updates an external function when changes are detected", function () {
mockScope.getterSetter.value = "some new value";
// Verify precondition
expect(mockScope.ngModel)
.not.toHaveBeenCalledWith("some new value");
// Fire the matching watcher
mockScope.$watch.calls.all().forEach(function (call) {
if (call.args[0] === "getterSetter.value") {
call.args[1](mockScope.getterSetter.value);
}
});
// Verify getter-setter was notified
expect(mockScope.ngModel)
.toHaveBeenCalledWith("some new value");
});
it("updates internal state when external changes are detected", function () {
mockScope.ngModel.and.returnValue("some other new value");
// Verify precondition
expect(mockScope.getterSetter.value).toBeUndefined();
// Fire the matching watcher
mockScope.$watch.calls.all().forEach(function (call) {
if (call.args[0] === "ngModel()") {
call.args[1]("some other new value");
}
});
// Verify state in scope was updated
expect(mockScope.getterSetter.value)
.toEqual("some other new value");
});
});
}
);