test: add tests and configure CI/CD (#104)

test/release-please.js

@@ -0,0 +1,119 @@
+const { describe, it } = require('mocha')
+const action = require('../')
+const assert = require('assert')
+const core = require('@actions/core')
+const sinon = require('sinon')
+
+describe('release-please-action', () => {
+  it('both opens PR and tags GitHub releases by default', async () => {
+    const output = {}
+    core.setOutput = (name, value) => {
+      output[name] = value
+    }
+    const input = {
+      'release-type': 'node'
+    }
+    core.getInput = (name) => {
+      return input[name]
+    }
+    const createRelease = sinon.stub().returns({
+      upload_url: 'http://example.com',
+      tag_name: 'v1.0.0'
+    })
+    action.getGitHubRelease = () => {
+      class Release {}
+      Release.prototype.createRelease = createRelease
+      return Release
+    }
+    const releasePR = sinon.stub()
+    action.getReleasePRFactory = () => {
+      return {
+        buildStatic: () => {
+          return {
+            run: releasePR
+          }
+        }
+      }
+    }
+    await action.main()
+    sinon.assert.calledOnce(createRelease)
+    sinon.assert.calledOnce(releasePR)
+    assert.deepStrictEqual(output, {
+      release_created: true,
+      upload_url: 'http://example.com',
+      tag_name: 'v1.0.0'
+    })
+  })
+
+  it('only opens PRs if, command set to release-pr', async () => {
+    const output = {}
+    core.setOutput = (name, value) => {
+      output[name] = value
+    }
+    const input = {
+      'release-type': 'node',
+      command: 'release-pr'
+    }
+    core.getInput = (name) => {
+      return input[name]
+    }
+    const githubRelease = sinon.stub().returns({
+      upload_url: 'http://example.com',
+      tag_name: 'v1.0.0'
+    })
+    action.getGitHubRelease = () => {
+      class Release {}
+      Release.prototype.createRelease = githubRelease
+      return Release
+    }
+    const releasePR = sinon.stub()
+    action.getReleasePRFactory = () => {
+      return {
+        buildStatic: () => {
+          return {
+            run: releasePR
+          }
+        }
+      }
+    }
+    await action.main()
+    sinon.assert.notCalled(githubRelease)
+    sinon.assert.calledOnce(releasePR)
+  })
+
+  it('only opens tags releases, if command set to github-release', async () => {
+    const output = {}
+    core.setOutput = (name, value) => {
+      output[name] = value
+    }
+    const input = {
+      'release-type': 'node',
+      command: 'github-release'
+    }
+    core.getInput = (name) => {
+      return input[name]
+    }
+    const githubRelease = sinon.stub().returns({
+      upload_url: 'http://example.com',
+      tag_name: 'v1.0.0'
+    })
+    action.getGitHubRelease = () => {
+      class Release {}
+      Release.prototype.createRelease = githubRelease
+      return Release
+    }
+    const releasePR = sinon.stub()
+    action.getReleasePRFactory = () => {
+      return {
+        buildStatic: () => {
+          return {
+            run: releasePR
+          }
+        }
+      }
+    }
+    await action.main()
+    sinon.assert.calledOnce(githubRelease)
+    sinon.assert.notCalled(releasePR)
+  })
+})