Split Runner from Compiler

1 files changed, 141 insertions, 0 deletions

diff --git a/js/runner_test.ts b/js/runner_test.ts
new file mode 100644
index 000000000..adfb8bc58
--- /dev/null
+++ b/js/runner_test.ts
@@ -0,0 +1,141 @@
+import { test, assert, assertEqual } from "./test_util";
+import * as deno from "deno";
+
+// tslint:disable-next-line:no-any
+const Runner = (deno as any)._runner.Runner;
+
+let mockGetOutputStack: string[] = [];
+let mockGetFilenameStack: Array<[string, string]> = [];
+
+// tslint:disable:max-line-length
+const mockOutput = {
+  "/root/project/foo/bar.ts": `define(["require", "exports"], function (require, exports) {
+    "use strict";
+    Object.defineProperty(exports, "__esModule", { value: true });
+    exports.foo = "bar";
+});
+//# sourceMappingURL=bar.js.map
+//# sourceURL=/root/project/foo/bar.ts`,
+  "/root/project/foo/baz.ts": `define(["require", "exports", "./qat.ts"], function (require, exports, qat) {
+    "use strict";
+    Object.defineProperty(exports, "__esModule", { value: true });
+    exports.foo = qat.foo;
+});
+//# sourceMappingURL=baz.js.map
+//# sourceURL=/root/project/foo/baz.ts`,
+  "/root/project/foo/qat.ts": `define(["require", "exports"], function (require, exports) {
+  "use strict";
+  Object.defineProperty(exports, "__esModule", { value: true });
+  exports.foo = "qat";
+});
+//# sourceMappingURL=qat.js.map
+//# sourceURL=/root/project/foo/qat.ts`,
+  "/root/project/foo/config.json": `define([], function () {
+  return JSON.parse('{"foo":{"bar": true,"baz": ["qat", 1]}}');
+});
+//# sourceURL=/root/project/foo/config.json`,
+  "/circular/modA.ts": `define(["require", "exports", "./modB.ts"], function (require, exports, modB) {
+  "use strict";
+  Object.defineProperty(exports, "__esModule", { value: true });
+  exports.foo = modB.foo;
+});
+//# sourceMappingURL=modA.js.map
+//# sourceURL=/circular/modA.ts`,
+  "/circular/modB.ts": `define(["require", "exports", "./modA.ts"], function (require, exports, modA) {
+  "use strict";
+  Object.defineProperty(exports, "__esModule", { value: true });
+  if (modA && typeof modA === "object") {
+    modA;
+  } else {
+    throw new Error("Mod A is empty!");
+  }
+  exports.foo = "bar";
+});
+//# sourceMappingURL=modB.js.map
+//# sourceURL=/circular/modB.ts`
+};
+// tslint:enable
+
+const mockFilenames = {
+  "/root/project": {
+    "foo/bar.ts": "/root/project/foo/bar.ts",
+    "foo/baz.ts": "/root/project/foo/baz.ts",
+    "foo/config.json": "/root/project/foo/config.json"
+  },
+  "/root/project/foo/baz.ts": {
+    "./qat.ts": "/root/project/foo/qat.ts"
+  },
+  "/circular": {
+    "modA.ts": "/circular/modA.ts"
+  },
+  "/circular/modA.ts": {
+    "./modB.ts": "/circular/modB.ts"
+  },
+  "/circular/modB.ts": {
+    "./modA.ts": "/circular/modA.ts"
+  }
+};
+
+const mockCodeProvider = {
+  getOutput(filename: string) {
+    mockGetOutputStack.push(filename);
+    if (filename in mockOutput) {
+      return mockOutput[filename];
+    }
+    throw new Error("Module not found.");
+  },
+  getFilename(moduleSpecifier: string, containingFile: string) {
+    mockGetFilenameStack.push([moduleSpecifier, containingFile]);
+    if (
+      containingFile in mockFilenames &&
+      moduleSpecifier in mockFilenames[containingFile]
+    ) {
+      return mockFilenames[containingFile][moduleSpecifier];
+    }
+  }
+};
+
+function setup() {
+  mockGetOutputStack = [];
+  mockGetFilenameStack = [];
+  return new Runner(mockCodeProvider);
+}
+
+test(function runnerConstruction() {
+  const runner = setup();
+  assert(runner);
+});
+
+test(function runnerRun() {
+  const runner = setup();
+  const result = runner.run("foo/bar.ts", "/root/project");
+  assertEqual(result, { foo: "bar" });
+  assertEqual(mockGetFilenameStack, [["foo/bar.ts", "/root/project"]]);
+  assertEqual(mockGetOutputStack, ["/root/project/foo/bar.ts"]);
+});
+
+test(function runnerRunImports() {
+  const runner = setup();
+  const result = runner.run("foo/baz.ts", "/root/project");
+  assertEqual(result, { foo: "qat" });
+  assertEqual(mockGetFilenameStack, [
+    ["foo/baz.ts", "/root/project"],
+    ["./qat.ts", "/root/project/foo/baz.ts"]
+  ]);
+  assertEqual(mockGetOutputStack, [
+    "/root/project/foo/baz.ts",
+    "/root/project/foo/qat.ts"
+  ]);
+});
+
+test(function runnerRunExportReturn() {
+  const runner = setup();
+  const result = runner.run("foo/config.json", "/root/project");
+  assertEqual(result, { foo: { bar: true, baz: ["qat", 1] } });
+});
+
+test(function runnerCircularReference() {
+  const runner = setup();
+  const result = runner.run("modA.ts", "/circular");
+  assertEqual(result, { foo: "bar" });
+});