Tests for CDK construct

.circleci/config.yml

@@ -1,6 +1,21 @@
 version: 2
 
 jobs:
+  test-construct:
+    working_directory: ~/repo
+    docker:
+      - image: circleci/node:12
+    steps:
+      - checkout
+
+      - run:
+          name: update-npm
+          command: 'sudo npm install -g npm@latest'
+
+      - run: npm install
+
+      - run: npm run test
+
   build:
     working_directory: ~/repo
     docker:
@@ -42,12 +57,17 @@ workflows:
   version: 2
   build-and-publish:
     jobs:
+      - test-construct:
+          filters:
+            tags:
+              only: /\d+\.\d+\.\d+/
       - build:
           filters:
             tags:
               only: /\d+\.\d+\.\d+/
       - publish:
           requires:
+            - test-construct
             - build
           filters:
             tags:

.gitignore

@@ -11,6 +11,9 @@ build/
 # No package-lock.json
 package-lock.json
 
+# Allow jest config
+!jest.config.js
+
 # Logs
 logs
 *.log

jest.config.js

@@ -0,0 +1,9 @@
+module.exports = {
+    "roots": [
+      "<rootDir>/test"
+    ],
+    testMatch: [ '**/*.test.ts'],
+    "transform": {
+      "^.+\\.tsx?$": "ts-jest"
+    },
+  }

package.json

@@ -18,6 +18,7 @@
         "secretsmanager"
     ],
     "scripts": {
+        "test": "jest",
         "get-sops": "wget https://github.com/mozilla/sops/releases/download/v3.5.0/sops-v3.5.0.linux -O ./provider/sops && chmod a+x ./provider/sops",
         "tsc": "tsc",
         "clean": "rm -rf build/",
@@ -40,6 +41,7 @@
         "typescript": ">=3.0.0"
     },
     "devDependencies": {
+        "@aws-cdk/assert": "1.26.0",
         "auto-changelog": "^1.16.2",
         "@aws-cdk/aws-lambda": "^1.21.1",
         "@aws-cdk/aws-iam": "^1.21.1",
@@ -50,6 +52,9 @@
         "@aws-cdk/core": "^1.21.1",
         "@aws-cdk/custom-resources": "^1.21.1",
         "@aws-cdk/aws-cloudformation": "^1.21.1",
-        "typescript": ">=3.0.0"
+        "typescript": ">=3.0.0",
+        "jest": "24.9.0",
+        "ts-jest": "24.1.0",
+        "@types/jest": "~24.0.22"
     }
 }

test/index.test.ts

@@ -0,0 +1,31 @@
+import { expect, haveResource } from '@aws-cdk/assert';
+import { Stack } from '@aws-cdk/core';
+import '@aws-cdk/assert/jest';
+import { SopsSecretsManager } from '..';
+
+test('creates-a-provider', () => {
+    const stack = new Stack();
+
+    new SopsSecretsManager(stack, 'Secret', {
+        secretName: 'MySecret',
+        path: './test/test.yaml',
+        kmsKey: undefined,
+        mappings: {
+            mykey: {
+                path: ['a', 'b'],
+            },
+        },
+    });
+
+    expect(stack).to(
+        haveResource('Custom::SopsSecretsManager', {
+            Mappings: '{"mykey":{"path":["a","b"]}}',
+        }),
+    );
+
+    expect(stack).to(
+        haveResource('AWS::SecretsManager::Secret', {
+            Name: 'MySecret',
+        }),
+    );
+});

test/test.yaml

@@ -0,0 +1 @@
+test: test

tsconfig.json

@@ -18,7 +18,7 @@
     "experimentalDecorators": true,
     "strictPropertyInitialization":false,
     "typeRoots": ["./node_modules/@types"],
-    "types": ["node"]
+    "types": ["node", "jest"]
   },
   "include": [
     "index.ts"