build(test): Adding unit tests for SSM manager

Author: despock

src/test/manager/ssmManager.test.ts

@@ -0,0 +1,83 @@
+import * as cdk from 'aws-cdk-lib'
+import { Construct } from 'constructs'
+import { Template } from 'aws-cdk-lib/assertions'
+import { CommonStackProps } from '../../lib/types'
+import { CommonConstruct } from '../../lib/common/commonConstruct'
+import { CommonStack } from '../../lib/common/commonStack'
+
+interface TestStackProps extends CommonStackProps {}
+
+const testStackProps = {
+  env: {
+    account: '123456789',
+    region: 'eu-west-1',
+  },
+  name: 'test-common-stack',
+  domainName: 'gradientedge.io',
+  region: 'eu-west-1',
+  stackName: 'test',
+  stage: 'test',
+  extraContexts: [],
+  stageContextPath: 'src/test/common/cdkEnv',
+}
+
+class TestCommonStack extends CommonStack {
+  declare props: TestStackProps
+
+  constructor(parent: cdk.App, name: string, props: cdk.StackProps) {
+    super(parent, name, props)
+
+    this.construct = new TestCommonConstruct(this, testStackProps.name, this.props)
+  }
+}
+
+class TestCommonConstruct extends CommonConstruct {
+  declare props: TestStackProps
+  paramValue: string
+  paramValueFromRegion: string
+
+  constructor(parent: Construct, name: string, props: TestStackProps) {
+    super(parent, name, props)
+    this.ssMManager.writeStringToParameters('test-param-write', this, {
+      parameterName: 'test-param',
+      description: `test param description`,
+      stringValue: 'Hello World!',
+    })
+    this.paramValue = this.ssMManager.readStringParameter('test-param-read', this, 'test-param-test')
+    this.paramValueFromRegion = this.ssMManager.readStringParameterFromRegion(
+      'test-param-read-from-region',
+      this,
+      'test-param-test',
+      'eu-west-1'
+    )
+  }
+}
+
+const app = new cdk.App({ context: testStackProps })
+const commonStack = new TestCommonStack(app, 'test-common-stack', testStackProps)
+const template = Template.fromStack(commonStack)
+
+describe('TestSsmConstruct', () => {
+  test('synthesises as expected', () => {
+    /* test if number of resources are correctly synthesised */
+    template.resourceCountIs('AWS::SSM::Parameter', 1)
+  })
+})
+
+describe('TestSsmConstruct', () => {
+  test('outputs as expected', () => {
+    template.hasOutput('testParamWriteParameterArn', {})
+    template.hasOutput('testParamWriteParameterName', {})
+  })
+})
+
+describe('TestSsmConstruct', () => {
+  test('provisions new ip set as expected', () => {
+    template.hasResourceProperties('AWS::SSM::Parameter', {
+      Type: 'String',
+      Value: 'Hello World!',
+      Description: 'test param description - test stage',
+      Name: 'test-param-test',
+    })
+  })
+})