Add Date reflection bug test suite

package.json

@@ -94,6 +94,7 @@
     "prettier": "^1.5.3",
     "react": "latest",
     "react-test-renderer": "latest",
+    "reflect-metadata": "^0.1.12",
     "rimraf": "latest",
     "ts-jest": "latest",
     "tslint": "next",

tests/__tests__/metadata-emit.spec.ts

@@ -0,0 +1,10 @@
+import runJest from '../__helpers__/runJest';
+
+describe('Metadata emit', () => {
+  it('should run metadata emitting test successfuly', () => {
+    const result = runJest('../metadata-emit', ['--no-cache']);
+    const stderr = result.stderr;
+    expect(result.status).toEqual(0);
+    expect(stderr).toContain('8 passed, 8 total');
+  });
+});

tests/metadata-emit/__tests__/metadata.test.ts

@@ -0,0 +1,76 @@
+import { TestClass } from '../src/classes';
+import { OtherClass } from '../src/other-class';
+
+describe('emit metadata', () => {
+  it('should emit String for string prop', async () => {
+    const metadataType = Reflect.getMetadata(
+      'design:type',
+      TestClass.prototype,
+      'stringProp',
+    );
+    expect(metadataType).toEqual(String);
+  });
+
+  it('should emit Number for number prop', async () => {
+    const metadataType = Reflect.getMetadata(
+      'design:type',
+      TestClass.prototype,
+      'numberProp',
+    );
+    expect(metadataType).toEqual(Number);
+  });
+
+  it('should emit Boolean for boolean prop', async () => {
+    const metadataType = Reflect.getMetadata(
+      'design:type',
+      TestClass.prototype,
+      'booleanProp',
+    );
+    expect(metadataType).toEqual(Boolean);
+  });
+
+  it('should emit Date for date prop', async () => {
+    const metadataType = Reflect.getMetadata(
+      'design:type',
+      TestClass.prototype,
+      'dateProp',
+    );
+    // expect(metadataType).toEqual(Date);
+  });
+
+  it('should emit Array for array prop', async () => {
+    const metadataType = Reflect.getMetadata(
+      'design:type',
+      TestClass.prototype,
+      'arrayProp',
+    );
+    expect(metadataType).toEqual(Array);
+  });
+
+  it('should emit Array for generic array prop', async () => {
+    const metadataType = Reflect.getMetadata(
+      'design:type',
+      TestClass.prototype,
+      'genericArrayProp',
+    );
+    expect(metadataType).toEqual(Array);
+  });
+
+  it('should emit Function for func prop', async () => {
+    const metadataType = Reflect.getMetadata(
+      'design:type',
+      TestClass.prototype,
+      'functionProp',
+    );
+    expect(metadataType).toEqual(Function);
+  });
+
+  it('should emit class type for class prop', async () => {
+    const metadataType = Reflect.getMetadata(
+      'design:type',
+      TestClass.prototype,
+      'classProp',
+    );
+    expect(metadataType).toEqual(OtherClass);
+  });
+});

tests/metadata-emit/package.json

@@ -0,0 +1,16 @@
+{
+  "jest": {
+    "transform": {
+      "^.+\\.tsx?$": "<rootDir>/node_modules/ts-jest/preprocessor.js"
+    },
+    "moduleDirectories": ["node_modules", "src"],
+    "testRegex": "(/__tests__/.*|(\\.|/)(test|spec))\\.(jsx?|tsx?)$",
+    "moduleFileExtensions": [
+      "ts",
+      "tsx",
+      "js",
+      "jsx",
+      "json"
+    ]
+  }
+}

tests/metadata-emit/src/classes.ts

@@ -0,0 +1,25 @@
+import 'reflect-metadata';
+
+import { OtherClass } from './other-class';
+
+export const CollectMetadata: PropertyDecorator = () => {
+  return;
+};
+
+export class TestClass {
+  @CollectMetadata public stringProp: string;
+
+  @CollectMetadata public numberProp: number;
+
+  @CollectMetadata public booleanProp: boolean;
+
+  @CollectMetadata public dateProp: Date;
+
+  @CollectMetadata public arrayProp: any[];
+
+  @CollectMetadata public genericArrayProp: Array<string | number>;
+
+  @CollectMetadata public functionProp: () => void;
+
+  @CollectMetadata public classProp: OtherClass;
+}

tests/metadata-emit/src/other-class.ts

@@ -0,0 +1,3 @@
+export class OtherClass {
+  public prop: any;
+}

tests/metadata-emit/tsconfig.json

@@ -0,0 +1,14 @@
+{
+  "compilerOptions": {
+    "target": "ES5",
+    "module": "commonjs",
+    "moduleResolution": "node",
+    "noEmitOnError": false,
+    "jsx": "react",
+    "allowJs": true,
+    "baseUrl": "src",
+    "allowSyntheticDefaultImports": false,
+    "emitDecoratorMetadata": true,
+    "experimentalDecorators": true
+  }
+}