chore(gatsby-cli): Add tests for gatsby repl (#22740)

integration-tests/gatsby-cli/__tests__/develop.js

@@ -1,4 +1,3 @@
-import spawn from "cross-spawn"
 import { GatsbyCLI } from "../test-helpers"
 
 const timeout = seconds =>
@@ -23,7 +22,7 @@ describe(`gatsby develop`, () => {
     await timeout(10)
 
     // 3. kill the `gatsby develop` command so we can get logs
-    spawn.sync("kill", [childProcess.pid])
+    childProcess.kill()
 
     // 4. Make sure logs for the user contain expected results
     const logs = getLogs()

integration-tests/gatsby-cli/__tests__/repl.js

@@ -0,0 +1,51 @@
+import { GatsbyCLI } from "../test-helpers"
+
+const timeout = seconds =>
+  new Promise(resolve => {
+    setTimeout(resolve, seconds * 1000)
+  })
+
+const MAX_TIMEOUT = 2147483647
+jest.setTimeout(MAX_TIMEOUT)
+
+describe(`gatsby repl`, () => {
+  const cwd = `gatsby-sites/gatsby-repl`
+
+  beforeAll(() => GatsbyCLI.from(cwd).invoke(`clean`))
+  afterAll(() => GatsbyCLI.from(cwd).invoke(`clean`))
+
+  it(`starts a gatsby site on port 8000`, async () => {
+    // 1. Start the `gatsby develop` command
+    const [childProcess, getLogs] = GatsbyCLI.from(cwd).invokeAsync(`repl`)
+
+    // 2. Wait for the build process to finish
+    await timeout(4)
+
+    // 3. Kill the repl
+    childProcess.kill()
+
+    // 4. Make assertions
+    const logs = getLogs()
+    logs.should.contain(`success open and validate gatsby-configs`)
+    logs.should.contain(`success load plugins`)
+    logs.should.contain(`success onPreInit`)
+    logs.should.contain(`success initialize cache`)
+    logs.should.contain(`success copy gatsby files`)
+    logs.should.contain(`success onPreBootstrap`)
+    logs.should.contain(`success createSchemaCustomization`)
+    logs.should.contain(`success source and transform nodes`)
+    logs.should.contain(`success building schema`)
+    logs.should.contain(`success createPages`)
+    logs.should.contain(`success createPagesStatefully`)
+    logs.should.contain(`success onPreExtractQueries`)
+    logs.should.contain(`success update schema`)
+    logs.should.contain(`success extract queries from components`)
+    logs.should.contain(`success write out requires`)
+    logs.should.contain(`success write out redirect data`)
+    logs.should.contain(`success onPostBootstrap`)
+    logs.should.contain(`info bootstrap finished`)
+
+    // This is the actual repl prompt
+    logs.should.contain(`gatsby >`)
+  })
+})

integration-tests/gatsby-cli/gatsby-sites/gatsby-repl/.gitignore

@@ -0,0 +1,69 @@
+# Logs
+logs
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+
+# Runtime data
+pids
+*.pid
+*.seed
+*.pid.lock
+
+# Directory for instrumented libs generated by jscoverage/JSCover
+lib-cov
+
+# Coverage directory used by tools like istanbul
+coverage
+
+# nyc test coverage
+.nyc_output
+
+# Grunt intermediate storage (http://gruntjs.com/creating-plugins#storing-task-files)
+.grunt
+
+# Bower dependency directory (https://bower.io/)
+bower_components
+
+# node-waf configuration
+.lock-wscript
+
+# Compiled binary addons (http://nodejs.org/api/addons.html)
+build/Release
+
+# Dependency directories
+node_modules/
+jspm_packages/
+
+# Typescript v1 declaration files
+typings/
+
+# Optional npm cache directory
+.npm
+
+# Optional eslint cache
+.eslintcache
+
+# Optional REPL history
+.node_repl_history
+
+# Output of 'npm pack'
+*.tgz
+
+# dotenv environment variable files
+.env*
+
+# gatsby files
+.cache/
+public
+
+# Mac files
+.DS_Store
+
+# Yarn
+yarn-error.log
+.pnp/
+.pnp.js
+# Yarn Integrity file
+.yarn-integrity

integration-tests/gatsby-cli/gatsby-sites/gatsby-repl/package.json

@@ -0,0 +1,37 @@
+{
+  "name": "gatsby-starter-default",
+  "private": true,
+  "description": "A simple starter to get up and developing quickly with Gatsby",
+  "version": "0.1.0",
+  "author": "Kyle Mathews <mathews.kyle@gmail.com>",
+  "dependencies": {
+    "gatsby": "^2.19.45",
+    "prop-types": "^15.7.2",
+    "react": "^16.12.0",
+    "react-dom": "^16.12.0",
+    "react-helmet": "^5.2.1"
+  },
+  "devDependencies": {
+    "prettier": "^1.19.1"
+  },
+  "keywords": [
+    "gatsby"
+  ],
+  "license": "MIT",
+  "scripts": {
+    "build": "gatsby build",
+    "develop": "gatsby develop",
+    "format": "prettier --write \"**/*.{js,jsx,json,md}\"",
+    "start": "npm run develop",
+    "serve": "gatsby serve",
+    "clean": "gatsby clean",
+    "test": "echo \"Write tests! -> https://gatsby.dev/unit-testing\" && exit 1"
+  },
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/gatsbyjs/gatsby-starter-default"
+  },
+  "bugs": {
+    "url": "https://github.com/gatsbyjs/gatsby/issues"
+  }
+}

integration-tests/gatsby-cli/gatsby-sites/gatsby-repl/src/pages/index.js

@@ -0,0 +1,2 @@
+import React from "react"
+export default () => <div>Hi</div>