diff options
| author | Johannes <mail@johannesewald.de> | 2012-06-04 02:23:27 +0400 |
|---|---|---|
| committer | Johannes <mail@johannesewald.de> | 2012-06-04 02:23:27 +0400 |
| commit | b4b2794f5a5e5977e048ff777ac53263144126e6 (patch) | |
| tree | 11213db4acbb4bd220069bd426b83d9739339379 /test/rewire.test.js | |
| parent | d4eea33555f4e67be674c046ff1d1a9a460af94a (diff) | |
changed repo-name to rewire
Diffstat (limited to 'test/rewire.test.js')
| -rw-r--r-- | test/rewire.test.js | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/test/rewire.test.js b/test/rewire.test.js new file mode 100644 index 0000000..41dff60 --- /dev/null +++ b/test/rewire.test.js @@ -0,0 +1,112 @@ +"use strict"; // run code in ES5 strict mode
+
+var path = require("path"),
+ expect = require("expect.js"),
+ rewire = require("../lib/index.js");
+
+var testModules = [
+ path.resolve(__dirname, "./testModules/index.js"),
+ path.resolve(__dirname, "./testModules/A/moduleA.js"),
+ path.resolve(__dirname, "./testModules/B/moduleB.js"),
+ path.resolve(__dirname, "./testModules/C/moduleC.js")
+ ];
+
+
+function cleanRequireCache() {
+ var i;
+
+ for (i = 0; i < testModules.length; i++) {
+ delete require.cache[testModules[i]];
+ }
+}
+
+describe("#rewire", function () {
+ beforeEach(cleanRequireCache); // ensuring a clean test environment
+ it("should work like require() when omitting all other params", function () {
+ expect(rewire("./testModules/A/moduleA.js")).to.be(require("./testModules/A/moduleA.js"));
+ });
+ it("should require all mocks", function () {
+ var rewired,
+ fsMock = {},
+ mocks = {},
+ moduleBMock = {},
+ moduleCMock = {},
+ toSrcMock = {},
+ indexMock = {};
+
+ mocks["fs"] = fsMock;
+ mocks[path.resolve(__dirname, "./testModules/B/moduleB.js")] = moduleBMock;
+ mocks["../C/moduleC.js"] = moduleCMock;
+ mocks["toSrc"] = toSrcMock;
+ mocks["../"] = indexMock;
+
+ rewired = rewire("./testModules/A/moduleA.js", mocks);
+ expect(rewired.fs).to.be(fsMock);
+ expect(rewired.b).to.be(moduleBMock);
+ expect(rewired.c).to.be(moduleCMock);
+ expect(rewired.toSrc).to.be(toSrcMock);
+ expect(rewired.index).to.be(indexMock);
+ });
+ it("should inject object modifications", function () {
+ var rewired,
+ injections = {
+ process: {
+ argv: ["arg1", "arg2", "arg3"]
+ },
+ console: 123
+ };
+
+ rewired = rewire("./testModules/A/moduleA.js", null, injections);
+ rewired.exportAll();
+ expect(rewired.process).not.to.be(process);
+ expect(process.argv).not.to.eql(injections.process.argv);
+ expect(rewired.process).to.eql(injections.process);
+ expect(rewired.console).to.be(123);
+ });
+ it("should inject custom scripts", function () {
+ var rewired,
+ script = "var console = 456;";
+
+ rewired = rewire("./testModules/A/moduleA.js", null, script);
+ rewired.exportAll();
+ expect(rewired.console).to.be(456);
+ });
+ it("should leak private variables", function () {
+ var rewired,
+ leaks = ["myPrivateVar"];
+
+ rewired = rewire("./testModules/A/moduleA.js", null, null, leaks);
+ expect(rewired.__.myPrivateVar).to.be("Hello I'm very private");
+ });
+ it("should leak private functions", function () {
+ var rewired,
+ leaks = ["myPrivateFunction"];
+
+ rewired = rewire("./testModules/A/moduleA.js", null, null, leaks);
+ expect(rewired.__.myPrivateFunction()).to.be("Hello I'm very private");
+ });
+ it("should leak nothing on demand", function () {
+ var rewired;
+
+ rewired = rewire("./testModules/A/moduleA.js");
+ expect(rewired.__).to.be(undefined);
+ });
+ it("should cache the rewired module", function () {
+ var rewired;
+
+ rewired = rewire("./testModules/B/moduleB.js");
+ rewired.requireIndex();
+ expect(rewired.index.b).to.be(rewired);
+ cleanRequireCache();
+ rewired = rewire("./testModules/B/moduleB.js", null, null, null, true);
+ rewired.requireIndex();
+ expect(rewired.index.b).to.be(rewired);
+ });
+ it("should not cache the rewired module on demand", function () {
+ var rewired;
+
+ rewired = rewire("./testModules/B/moduleB.js", null, null, null, false);
+ rewired.requireIndex();
+ expect(rewired.index.b).not.to.be(rewired);
+ });
+});
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