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-rw-r--r--injector-tests.js359
1 files changed, 0 insertions, 359 deletions
diff --git a/injector-tests.js b/injector-tests.js
deleted file mode 100644
index e94126f..0000000
--- a/injector-tests.js
+++ /dev/null
@@ -1,359 +0,0 @@
-/*global describe,it,expect,beforeEach,Injector, setTimeout*/
-
-describe("deferred", function() {
- var deferred, promise;
- beforeEach(function() {
- deferred = Injector.defer();
- promise = deferred.promise;
- });
- this.timeout(100);
-
- describe("promise", function() {
- it("should have a 'then' method", function() {
- expect(promise.then).not.to.equal(undefined);
- });
-
- it("should be able to chain 'then' methods", function() {
- var promise1 = promise;
- var promise2 = promise1.then(function(x) {
- return x + 1;
- });
- var promise3 = promise1.then(function(x) {
- return x + 1;
- });
- expect(promise1.then).not.to.equal(undefined);
- expect(promise2.then).not.to.equal(undefined);
- expect(promise3.then).not.to.equal(undefined);
- });
- });
-
- describe("resolution", function() {
-
- it("should resolve asynchronously", function(done) {
- var hasRun = false;
- promise.then(function(val) {
- hasRun = true;
- return val;
- });
- deferred.resolve("value");
- expect(hasRun).to.equal(false);
- setTimeout(function() {
- expect(hasRun).to.equal(true);
- done();
- });
- });
-
- it("should propagate through multiple promises", function(done) {
- var promise2 = promise.then(function(value) {
- return value + 1;
- });
- var promise3 = promise2.then(function(value) {
- return value + 1;
- });
- promise3.then(function(value) {
- expect(value).to.equal(3);
- done();
- });
- deferred.resolve(1);
- });
-
- it("should call all registered handlers", function(done) {
- var called = 0;
- promise.then(function() {called++;});
- promise.then(function() {called++;});
- promise.then(function() {called++;});
- expect(called).to.equal(0);
- deferred.resolve(null);
- setTimeout(function() {
- expect(called).to.equal(3);
- done();
- });
- });
-
- it("should call handlers, even when added after resolution", function(done) {
- deferred.resolve(null);
- promise.then(function() {
- done();
- });
- });
-
- it("should not allow multiple resolution", function() {
- deferred.resolve(1);
- expect(function() {
- deferred.resolve(2);
- }).to.throw();
- });
-
- it("should not allow rejecting after resolving", function() {
- deferred.resolve(1);
- expect(function() {
- deferred.reject(2);
- }).to.throw();
- });
-
- it("should handle a returned promise by 'unwrapping' it", function(done) {
- promise.then(function(value) {
- var deferred = Injector.defer();
- deferred.resolve(value + 1);
- return deferred.promise;
- }).then(function(value) {
- try {
- expect(value).to.equal(2);
- done();
- } catch (e) {
- done(e);
- }
- });
- deferred.resolve(1);
- });
- });
-
- describe("rejection", function() {
- it("should reject asynchronously", function(done) {
- var hasRun = false;
- promise.then(null, function(val) {
- hasRun = true;
- return val;
- });
- deferred.reject("value");
- expect(hasRun).to.equal(false);
- setTimeout(function() {
- expect(hasRun).to.equal(true);
- done();
- });
- });
-
-
- it("should be turned into resolution by a handler", function(done) {
- var promise2 = promise.then(function(value) {
- return value + 1;
- }, function(value) {
- return value + 100;
- });
- promise2.then(function(value) {
- try {
- expect(value).to.equal(101);
- done();
- } catch (e) {
- done(e);
- }
- });
- deferred.reject(1);
- });
-
- it("should call all registered handlers", function(done) {
- var called = 0;
- promise.then(null, function() {called++;});
- promise.then(null, function() {called++;});
- promise.then(null, function() {called++;});
- expect(called).to.equal(0);
- deferred.reject(null);
- setTimeout(function() {
- expect(called).to.equal(3);
- done();
- });
- });
-
- it("should not allow multiple rejection", function() {
- deferred.reject(1);
- expect(function() {
- deferred.reject(2);
- }).to.throw();
- });
-
- it("should not allow resolving after rejecting", function() {
- deferred.reject(1);
- expect(function() {
- deferred.resolve(2);
- }).to.throw();
- });
-
- it("should call handlers, even when added after resolution", function(done) {
- deferred.reject(null);
- promise.then(null, function() {
- done();
- });
- });
-
- it("should handle a returned promise by 'unwrapping' in the error case", function(done) {
- promise.then(function(value) {
- var deferred = Injector.defer();
- deferred.reject(value + 1);
- return deferred.promise;
- }).then(null, function(value) {
- try {
- expect(value).to.equal(2);
- done();
- } catch (e) {
- done(e);
- }
- });
- deferred.resolve(1);
- });
- });
-
- describe("waitForAll", function() {
- it("should resolve with an array if all successful", function(done) {
- var d1 = Injector.defer(),
- d2 = Injector.defer(),
- d3 = Injector.defer();
- Injector
- .waitForAll([d1.promise, d2.promise, d3.promise])
- .then(function(values) {
- if (values.length == 3 &&
- values[0] === 0 &&
- values[1] === 1 &&
- values[2] === 2) {
- done();
- } else {
- done(new Error("Error in resolved result: " + values));
- }
- }, done);
- d1.resolve(0);
- d2.resolve(1);
- d3.resolve(2);
- });
-
- it("should reject with an object of successes/errors if any fail", function(done) {
- var d1 = Injector.defer(),
- d2 = Injector.defer(),
- d3 = Injector.defer();
- Injector
- .waitForAll([d1.promise, d2.promise, d3.promise])
- .then(function(values) {
- done(new Error("incorrectly resolved promise"));
- }, function(e) {
- if (e.errors && e.values &&
- e.values[0] === 0 &&
- e.values[1] === 1 &&
- e.errors[2] === 2) {
- done();
- } else {
- done(new Error("incorrect reject value"));
- }
- });
- d1.resolve(0);
- d2.resolve(1);
- d3.reject(2);
- });
- });
-});
-
-describe("injector", function() {
- var injector, valuePlugin;
- beforeEach(function() {
- valuePlugin = new Injector.ValuePlugin();
- injector = new Injector([valuePlugin]);
- });
- this.timeout(100);
-
- describe("value registration and retrieval", function() {
- it("works", function(done) {
- injector.register("a", function(){return "the value of a";});
- injector.get("a").then(function(value){
- if (value == "the value of a")
- done();
- else
- done(new Error("incorrect value for a (" + value + ")"));
- }, done);
- });
-
- it("with dependencies works", function(done) {
- injector
- .register("a", function(){return "the value of a";})
- .register("b", ["a", function(a){return a.replace(/a/g, "b");}]);
- injector.get("b").then(function(value){
- if (value == "the vblue of b")
- done();
- else
- done(new Error("incorrect value for b (" + value + ")"));
- }, done);
- });
- });
-
- describe("destroy handlers", function() {
- it("work with single gets", function(done) {
- injector.register("a", function(){return "a";});
- expect("a" in valuePlugin.values).to.equal(false);
- var result = injector.get("a");
- result.then(function() {
- if ("a" in valuePlugin.values) {
- result.destroy().then(function() {
- if ("a" in valuePlugin.values) {
- done(new Error("Value found for a after destruction"));
- } else {
- done();
- }
- });
- } else {
- done(new Error("No value found for a"));
- }
- }, done);
- });
-
- it("works with multiple gets", function(done) {
- injector.register("a", function(){return "a";});
- expect("a" in valuePlugin.values).to.equal(false);
- var result = [injector.get("a"), injector.get("a"), injector.get("a")];
- result[1].destroy();
- result[2].destroy();
- result[0].then(function() {
- if ("a" in valuePlugin.values) {
- result[0].destroy().then(function() {
- if ("a" in valuePlugin.values) {
- done(new Error("Value found for a after destruction"));
- } else {
- done();
- }
- });
- } else {
- done(new Error("No value found for a"));
- }
- }, done);
- });
-
- it("works through dependencies", function(done) {
- injector
- .register("a", function(){return "a";})
- .register("b", ["a", function(a){return a + "b";}]);
- expect("a" in valuePlugin.values).to.equal(false);
- var result = injector.get("b");
- result.then(function() {
- if ("a" in valuePlugin.values) {
- result.destroy().then(function() {
- if ("a" in valuePlugin.values) {
- done(new Error("Value found for a after destruction"));
- } else {
- done();
- }
- });
- } else {
- done(new Error("No value found for a"));
- }
- }, done);
- });
- });
-
- describe("cyclic dependency detection", function() {
- it("detects simple cycles", function(done) {
- injector.register("a", ["b", function(b) {return b;}]);
- injector.register("b", ["a", function(a) {return a;}]);
- injector.get("a").then(function() {
- done(new Error("Promise should have been rejected"));
- }, function(e) {
- done();
- });
- });
-
- it("detects cycles with intermediate nodes", function(done) {
- injector.register("a", ["c", function(c) {return c;}]);
- injector.register("b", ["a", function(a) {return a;}]);
- injector.register("c", ["b", function(b) {return b;}]);
- injector.get("a").then(function() {
- done(new Error("Promise should have been rejected"));
- }, function(e) {
- done();
- });
- });
- });
-});
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