Add test

packages/@aws-cdk/core/test/private/test.physical-name-generator.ts

@@ -0,0 +1,92 @@
+import nodeunit = require('nodeunit');
+import { App, Aws, Resource, Stack } from '../../lib';
+import { generatePhysicalName } from '../../lib/private/physical-name-generator';
+
+export = nodeunit.testCase({
+  'generates correct physical names'(test: nodeunit.Test) {
+    const app = new App();
+    const stack = new Stack(app, 'TestStack', { env: { account: '012345678912', region: 'bermuda-triangle-1' } });
+
+    const testResourceA = new TestResource(stack, 'A');
+    const testResourceB = new TestResource(testResourceA, 'B');
+
+    test.equal(generatePhysicalName(testResourceA), 'teststackteststackaa164c141d59b37c1b663');
+    test.equal(generatePhysicalName(testResourceB), 'teststackteststackab27595cd34d8188283a1f');
+
+    test.done();
+  },
+
+  'generates different names in different accounts'(test: nodeunit.Test) {
+    const appA = new App();
+    const stackA = new Stack(appA, 'TestStack', { env: { account: '012345678912', region: 'bermuda-triangle-1' } });
+    const resourceA = new TestResource(stackA, 'Resource');
+
+    const appB = new App();
+    const stackB = new Stack(appB, 'TestStack', { env: { account: '012345678913', region: 'bermuda-triangle-1' } });
+    const resourceB = new TestResource(stackB, 'Resource');
+
+    test.notEqual(generatePhysicalName(resourceA), generatePhysicalName(resourceB));
+
+    test.done();
+  },
+
+  'generates different names in different regions'(test: nodeunit.Test) {
+    const appA = new App();
+    const stackA = new Stack(appA, 'TestStack', { env: { account: '012345678912', region: 'bermuda-triangle-1' } });
+    const resourceA = new TestResource(stackA, 'Resource');
+
+    const appB = new App();
+    const stackB = new Stack(appB, 'TestStack', { env: { account: '012345678912', region: 'bermuda-triangle-2' } });
+    const resourceB = new TestResource(stackB, 'Resource');
+
+    test.notEqual(generatePhysicalName(resourceA), generatePhysicalName(resourceB));
+
+    test.done();
+  },
+
+  'fails when the region is an unresolved token'(test: nodeunit.Test) {
+    const app = new App();
+    const stack = new Stack(app, 'TestStack', { env: { account: '012345678912', region: Aws.REGION } });
+    const testResource = new TestResource(stack, 'A');
+
+    test.throws(() => generatePhysicalName(testResource),
+      /Cannot generate a physical name for TestStack\/A, because the region is un-resolved or missing/);
+
+    test.done();
+  },
+
+  'fails when the region is not provided'(test: nodeunit.Test) {
+    const app = new App();
+    const stack = new Stack(app, 'TestStack', { env: { account: '012345678912' } });
+    const testResource = new TestResource(stack, 'A');
+
+    test.throws(() => generatePhysicalName(testResource),
+      /Cannot generate a physical name for TestStack\/A, because the region is un-resolved or missing/);
+
+    test.done();
+  },
+
+  'fails when the account is an unresolved token'(test: nodeunit.Test) {
+    const app = new App();
+    const stack = new Stack(app, 'TestStack', { env: { account: Aws.ACCOUNT_ID, region: 'bermuda-triangle-1' } });
+    const testResource = new TestResource(stack, 'A');
+
+    test.throws(() => generatePhysicalName(testResource),
+      /Cannot generate a physical name for TestStack\/A, because the account is un-resolved or missing/);
+
+    test.done();
+  },
+
+  'fails when the account is not provided'(test: nodeunit.Test) {
+    const app = new App();
+    const stack = new Stack(app, 'TestStack', { env: { region: 'bermuda-triangle-1' } });
+    const testResource = new TestResource(stack, 'A');
+
+    test.throws(() => generatePhysicalName(testResource),
+      /Cannot generate a physical name for TestStack\/A, because the account is un-resolved or missing/);
+
+    test.done();
+  },
+});
+
+class TestResource extends Resource {}