test: add e2e tests (#645)

.github/workflows/e2e.yml

@@ -0,0 +1,16 @@
+name: E2E Test
+
+on:
+  deployment_status:
+
+jobs:
+  run-e2es:
+   if: github.event_name == 'deployment_status' && github.event.deployment_status.state == 'success'
+   runs-on: ubuntu-latest
+   steps:
+   - uses: actions/checkout@v3
+   - name: Run e2e tests
+     run: node test/e2e.test.mjs
+     env:
+       BASE_URL: ${{ github.event.deployment_status.target_url }}
+       MEMO_BADGE_TOKEN: ${{ secrets.MEMO_BADGE_TOKEN }}

.github/workflows/nodejs.yml

@@ -1,10 +1,9 @@
-name: lint and build
+name: Lint and Build
 
 on: pull_request
 
 jobs:
   build:
-
     runs-on: ubuntu-latest
 
     steps:

test/e2e.test.mjs

@@ -0,0 +1,52 @@
+import test from 'node:test'
+import assert from 'node:assert/strict'
+
+import { execSync } from 'node:child_process'
+
+const BASE_URL = process.env.BASE_URL || 'https://badgen.net'
+
+
+test('/static: simple static badge', async (t) => {
+    const badgeURL = `${BASE_URL}/static/v1.2.3/blue`
+    const response = await fetch(badgeURL)
+
+    assert.strictEqual(response.status, 200)
+    assert.strictEqual(response.headers.get('content-type'), 'image/svg+xml;charset=utf-8')
+});
+
+
+test('/memo: update "depoyed" badge', async (t) => {
+    if (!process.env.MEMO_BADGE_TOKEN) {
+        throw new Error('MEMO_BADGE_TOKEN is required to run this test')
+    }
+    const status = getGitLastCommitDate()
+    const label = 'Deployed'
+    const color = getGitCurrentBranch() === 'main' ? 'green' : 'cyan'
+
+    const badgeURL = `${BASE_URL}/memo/deployed/${label}/${status}/${color}`
+    const fetchOptions = {
+        method: 'PUT',
+        headers: {
+            authorization: `Bearer ${process.env.MEMO_BADGE_TOKEN}`
+        }
+    }
+
+    const response = await fetch(badgeURL, fetchOptions)
+    assert.strictEqual(response.status, 200)
+
+    const result = await response.json()
+    assert.deepEqual(result, { status, label, color })
+})
+
+function getGitLastCommitDate () {
+    const lastCommitDateString = execSync('git log -1 --format=%cI').toString().trim()
+    return extractBareDate(lastCommitDateString)
+}
+
+function extractBareDate(dateString) {
+    return new Date(dateString).toISOString().substring(0, 10)
+}
+
+function getGitCurrentBranch () {
+    return execSync('git rev-parse --abbrev-ref HEAD').toString().trim()
+}