From af2b1621754a5d395520a8b8bd6ef480546d6ead Mon Sep 17 00:00:00 2001
From: Brian Ng <bng412@gmail.com>
Date: Fri, 31 Mar 2017 12:11:26 -0500
Subject: [PATCH] Add simple smoke-test (#240)

---
 experimental/babel-preset-env/.gitignore      |  2 +
 experimental/babel-preset-env/.npmignore      |  3 +
 experimental/babel-preset-env/.travis.yml     |  7 +-
 .../babel-preset-env/scripts/smoke-test.js    | 69 +++++++++++++++++++
 4 files changed, 79 insertions(+), 2 deletions(-)
 create mode 100755 experimental/babel-preset-env/scripts/smoke-test.js

diff --git a/experimental/babel-preset-env/.gitignore b/experimental/babel-preset-env/.gitignore
index c632df2afb..b8733fbb98 100644
--- a/experimental/babel-preset-env/.gitignore
+++ b/experimental/babel-preset-env/.gitignore
@@ -6,3 +6,5 @@ test/tmp
 *.log
 .vscode
 .nyc_output
+tmp
+babel-preset-env-*.tgz
diff --git a/experimental/babel-preset-env/.npmignore b/experimental/babel-preset-env/.npmignore
index af257d4817..bf67f6570e 100644
--- a/experimental/babel-preset-env/.npmignore
+++ b/experimental/babel-preset-env/.npmignore
@@ -6,3 +6,6 @@ scripts
 .travis.yml
 codecov.yml
 yarn.lock
+.nyc_output
+.vscode
+babel-preset-env-*.tgz
diff --git a/experimental/babel-preset-env/.travis.yml b/experimental/babel-preset-env/.travis.yml
index 20b64eb31f..568aa88c93 100644
--- a/experimental/babel-preset-env/.travis.yml
+++ b/experimental/babel-preset-env/.travis.yml
@@ -27,7 +27,8 @@ install:
   - $PKG_CMD install
 script:
   - 'if [ -n "${LINT-}" ]; then $PKG_CMD run lint ; fi'
-  - 'if [ -z "${LINT-}" ]; then $PKG_CMD run test-ci ; fi'
+  - 'if [ -n "${SMOKE_TEST-}" ]; then node scripts/smoke-test.js ; fi'
+  - 'if [ -z "${LINT-}" ] && [ -z "${SMOKE_TEST-}" ]; then $PKG_CMD run test-ci ; fi'
 matrix:
   fast_finish: true
   exclude:
@@ -38,5 +39,7 @@ matrix:
   include:
     - node_js: "node"
       env: LINT=true PKG_CMD="npm"
+    - node_js: "node"
+      env: SMOKE_TEST=true PKG_CMD="npm"
 
-after_success: 'if [ -z "${LINT-}" ]; then npm run coverage-ci ; fi'
+after_success: 'if [ -z "${LINT-}" ] && [ -z "${SMOKE_TEST-}" ]; then npm run coverage-ci ; fi'
diff --git a/experimental/babel-preset-env/scripts/smoke-test.js b/experimental/babel-preset-env/scripts/smoke-test.js
new file mode 100755
index 0000000000..f845d6da3b
--- /dev/null
+++ b/experimental/babel-preset-env/scripts/smoke-test.js
@@ -0,0 +1,69 @@
+const fs = require("fs-extra");
+const execSync = require("child_process").execSync;
+const path = require("path");
+const pkg = require("../package.json");
+
+let errorOccurred = false;
+
+const tempFolderPath = path.join(__dirname, "../tmp");
+const packPath = path.join(__dirname, `../babel-preset-env-${pkg.version}.tgz`);
+
+try {
+  console.log("Creating package");
+  execSync("npm pack");
+
+  console.log("Setting up smoke test");
+  fs.ensureDir(tempFolderPath);
+
+  fs.writeFileSync(
+    path.join(tempFolderPath, "package.json"),
+    `
+{
+  "name": "babel-preset-env-smoke-test",
+  "private": true,
+  "version": "1.0.0",
+  "scripts": {
+    "build": "babel index.js --out-file index.es6"
+  },
+  "dependencies": {
+    "babel-cli": "*",
+    "babel-preset-env": "${packPath}"
+  }
+}
+  `);
+
+  fs.writeFileSync(
+    path.join(tempFolderPath, ".babelrc"),
+    `
+{
+  "presets": [
+    ["env", {
+      modules: false,
+      useBuiltIns: true
+    }]
+  ]
+}
+    `
+  );
+
+  fs.writeFileSync(
+    path.join(tempFolderPath, "index.js"),
+    `
+import "babel-polyfill";
+1 ** 2;
+    `
+  );
+
+  process.chdir(tempFolderPath);
+
+  console.log("Running smoke test");
+  execSync("npm install && npm run build");
+} catch (e) {
+  errorOccurred = true;
+}
+
+console.log("Cleaning up");
+fs.removeSync(tempFolderPath);
+fs.removeSync(packPath);
+
+process.exit(errorOccurred ? 1 : 0);