102 lines
2.7 KiB
JavaScript
102 lines
2.7 KiB
JavaScript
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"use strict";
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var initializer = lib("initializer"),
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Registry = lib("registry"),
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Config = lib("config");
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var Loopback = lib("test/loopback"),
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Ping = lib("test/ping"),
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TestAdaptor = lib("test/test-adaptor"),
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TestDriver = lib("test/test-driver");
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describe("Initializer", function() {
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beforeEach(function() {
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spy(Registry, "findBy");
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stub(Registry, "register");
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});
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afterEach(function() {
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Registry.findBy.restore();
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Registry.register.restore();
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});
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it("creates an instance of the requested adaptor/driver", function() {
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var adaptor = initializer("adaptor", { adaptor: "loopback" });
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expect(adaptor).to.be.an.instanceOf(Loopback);
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var driver = initializer("driver", { driver: "ping" });
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expect(driver).to.be.an.instanceOf(Ping);
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});
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context("if the module isn't registered", function() {
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var module;
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beforeEach(function() {
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Registry.findBy.restore();
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module = {
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adaptor: stub(),
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driver: stub()
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};
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stub(Registry, "findBy")
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.onFirstCall().returns(false)
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.onSecondCall().returns(module);
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});
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context("if a module key was provided", function() {
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it("attempts to register it", function() {
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initializer("adaptor", { adaptor: "adaptor", module: "test" });
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expect(Registry.register).to.be.calledWith("test");
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expect(module.adaptor).to.be.called;
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});
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});
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context("if no module key was provided", function() {
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it("attempts to find it automatically", function() {
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initializer("driver", { driver: "driver" });
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expect(Registry.register).to.be.calledWith("cylon-driver");
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expect(module.driver).to.be.called;
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});
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});
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context("if the module still can't be found", function() {
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beforeEach(function() {
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Registry.findBy.onSecondCall().returns(false);
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});
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it("throws an error", function() {
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function fn() {
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return initializer("adaptor", { adaptor: "badadaptor" });
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}
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expect(fn).to.throw("Unable to find adaptor for badadaptor");
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});
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});
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});
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context("if in test mode", function() {
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var tm = Config.testMode, adaptor, driver;
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beforeEach(function() {
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Config.testMode = true;
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driver = initializer("driver", { driver: "ping" });
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adaptor = initializer("adaptor", { adaptor: "loopback" });
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});
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afterEach(function() {
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Config.testMode = tm;
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});
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it("creates a test adaptor/driver", function() {
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expect(driver).to.be.an.instanceOf(TestDriver);
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expect(adaptor).to.be.an.instanceOf(TestAdaptor);
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});
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it("stubs out the driver/adaptor behaviour", function() {
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expect(driver.ping).to.be.a("function");
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});
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});
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});
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