feat(examples): convert create-react-app example to bazel test

examples/create-react-app/.bazelignore

@@ -0,0 +1 @@
+node_modules

examples/create-react-app/.bazelrc

@@ -0,0 +1 @@
+test --test_output=errors

examples/create-react-app/BUILD.bazel

@@ -1,20 +1,39 @@
 load("@bazel_skylib//rules:write_file.bzl", "write_file")
 load("@build_bazel_rules_nodejs//:index.bzl", "copy_to_bin")
-load("@npm//react-scripts:index.bzl", "react_scripts")
+load("@npm//react-scripts:index.bzl", "react_scripts", "react_scripts_test")
+
+# Filename conventions described at
+# https://create-react-app.dev/docs/running-tests#filename-conventions
+_TESTS = [
+    "src/**/*.test.js*",
+    "src/**/*.test.ts*",
+    "src/**/*.spec.js*",
+    "src/**/*.test.ts*",
+    "src/**/__tests__/**/*.js*",
+    "src/**/__tests__/**/*.ts*",
+]
 
 # We don't want to teach react-scripts to include from multiple directories
 # So we copy everything it wants to read to the output "bin" directory
 copy_to_bin(
     name = "copy_static_files",
-    srcs = glob([
-        "public/*",
-        "src/*",
-    ]) + [
+    srcs = glob(
+        [
+            "public/*",
+            "src/**/*",
+        ],
+        exclude = _TESTS,
+    ) + [
         "package.json",
         "tsconfig.json",
     ],
 )
 
+copy_to_bin(
+    name = "copy_test_files",
+    srcs = glob(_TESTS),
+)
+
 # react-scripts can only work if the working directory is the root of the application.
 # So we'll need to chdir before it runs.
 write_file(
@@ -39,3 +58,28 @@ react_scripts(
     ],
     output_dir = True,
 )
+
+react_scripts_test(
+    name = "test",
+    args = [
+        "--node_options=--require=$(rootpath chdir.js)",
+        "test",
+        # ibazel is the watch mode for Bazel when running tests
+        # Because Bazel is really a CI system that runs locally
+        "--watchAll=false",
+        "--no-cache",
+        "--no-watchman",
+        "--ci",
+    ],
+    data = [
+        "chdir.js",
+        "copy_static_files",
+        "copy_test_files",
+        "@npm//@testing-library/dom",
+        "@npm//@testing-library/jest-dom",
+        "@npm//@testing-library/react",
+        "@npm//@testing-library/user-event",
+        "@npm//react",
+        "@npm//react-dom",
+    ],
+)

examples/create-react-app/package.json

@@ -16,12 +16,14 @@
     "typescript": "~3.7.2"
   },
   "devDependencies": {
-    "@bazel/bazelisk": "^1.5.0"
+    "@bazel/bazelisk": "^1.5.0",
+    "@bazel/ibazel": "^0.13.1",
+    "patch-package": "^6.2.2"
   },
   "scripts": {
-    "start": "react-scripts start",
+    "start": "ibazel run //:start",
     "build": "bazel build //:build",
-    "test": "react-scripts test"
+    "test": "ibazel test //:test"
   },
   "eslintConfig": {
     "extends": "react-app"

examples/create-react-app/patches/jest-haste-map+24.9.0.patch

@@ -0,0 +1,17 @@
+diff --git a/node_modules/jest-haste-map/build/crawlers/node.js b/node_modules/jest-haste-map/build/crawlers/node.js
+index 23985ae..182c7e8 100644
+--- a/node_modules/jest-haste-map/build/crawlers/node.js
++++ b/node_modules/jest-haste-map/build/crawlers/node.js
+@@ -166,7 +166,12 @@ function find(roots, extensions, ignore, callback) {
+
+ function findNative(roots, extensions, ignore, callback) {
+   const args = Array.from(roots);
++  args.push('(');
+   args.push('-type', 'f');
++  args.push('-o');
++  args.push('-type', 'l');
++  args.push(')');
++
+
+   if (extensions.length) {
+     args.push('(');

examples/create-react-app/yarn.lock

@@ -1083,6 +1083,11 @@
   resolved "https://registry.yarnpkg.com/@bazel/bazelisk/-/bazelisk-1.5.0.tgz#61f583ed93be138b47be7180403938ea4057f54b"
   integrity sha512-qhOGN1WmfZYNJXGrRL/0byii9hX5FBomMv3WWI2OEL2+Bxm4t/bR3zMxN3xwQX1C8meSSrAfKGSzxVOZfpJsOg==
 
+"@bazel/ibazel@^0.13.1":
+  version "0.13.1"
+  resolved "https://registry.yarnpkg.com/@bazel/ibazel/-/ibazel-0.13.1.tgz#23788f67a6fbe83d96f2d055691df4917c10ac8d"
+  integrity sha512-FO1hBKpzpeBL0adnFYF2Dwl/7gox6ccKM6bb+x26AXrQpLbinXPuTi4zeXRL/MW4383mF6i4RovLCmwUU/YW0w==
+
 "@cnakazawa/watch@^1.0.3":
   version "1.0.4"
   resolved "https://registry.yarnpkg.com/@cnakazawa/watch/-/watch-1.0.4.tgz#f864ae85004d0fcab6f50be9141c4da368d1656a"
@@ -1850,6 +1855,11 @@
   resolved "https://registry.yarnpkg.com/@xtuc/long/-/long-4.2.2.tgz#d291c6a4e97989b5c61d9acf396ae4fe133a718d"
   integrity sha512-NuHqBY1PB/D8xU6s/thBgOAiAP7HOYDQ32+BFZILJ8ivkUkAHQnWfn6WhL79Owj1qmUnoN/YPhktdIoucipkAQ==
 
+"@yarnpkg/lockfile@^1.1.0":
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/@yarnpkg/lockfile/-/lockfile-1.1.0.tgz#e77a97fbd345b76d83245edcd17d393b1b41fb31"
+  integrity sha512-GpSwvyXOcOOlV70vbnzjj4fW5xW/FdUF6nQEt1ENy7m4ZCczi1+/buVUPAqmGfqznsORNFzUMjctTIp8a9tuCQ==
+
 abab@^2.0.0:
   version "2.0.3"
   resolved "https://registry.yarnpkg.com/abab/-/abab-2.0.3.tgz#623e2075e02eb2d3f2475e49f99c91846467907a"
@@ -4578,6 +4588,14 @@ find-up@^3.0.0:
   dependencies:
     locate-path "^3.0.0"
 
+find-yarn-workspace-root@^1.2.1:
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/find-yarn-workspace-root/-/find-yarn-workspace-root-1.2.1.tgz#40eb8e6e7c2502ddfaa2577c176f221422f860db"
+  integrity sha512-dVtfb0WuQG+8Ag2uWkbG79hOUzEsRrhBzgfn86g2sJPkzmcpGdghbNTfUKGTxymFrY/tLIodDzLoW9nOJ4FY8Q==
+  dependencies:
+    fs-extra "^4.0.3"
+    micromatch "^3.1.4"
+
 flat-cache@^2.0.1:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/flat-cache/-/flat-cache-2.0.1.tgz#5d296d6f04bda44a4630a301413bdbc2ec085ec0"
@@ -4682,7 +4700,7 @@ from2@^2.1.0:
     inherits "^2.0.1"
     readable-stream "^2.0.0"
 
-fs-extra@^4.0.2:
+fs-extra@^4.0.2, fs-extra@^4.0.3:
   version "4.0.3"
   resolved "https://registry.yarnpkg.com/fs-extra/-/fs-extra-4.0.3.tgz#0d852122e5bc5beb453fb028e9c0c9bf36340c94"
   integrity sha512-q6rbdDd1o2mAnQreO7YADIxf/Whx4AHBiRf6d+/cVT8h44ss+lHgxf1FemcqDnQt9X3ct4McHr+JMGlYSsK7Cg==
@@ -4691,7 +4709,7 @@ fs-extra@^4.0.2:
     jsonfile "^4.0.0"
     universalify "^0.1.0"
 
-fs-extra@^7.0.0:
+fs-extra@^7.0.0, fs-extra@^7.0.1:
   version "7.0.1"
   resolved "https://registry.yarnpkg.com/fs-extra/-/fs-extra-7.0.1.tgz#4f189c44aa123b895f722804f55ea23eadc348e9"
   integrity sha512-YJDaCJZEnBmcbw13fvdAM9AwNOJwOzrE4pqMqBq5nFiEqXUqHwlK4B+3pUw6JNvfSPtX05xFHtYy/1ni01eGCw==
@@ -6365,6 +6383,13 @@ kind-of@^6.0.0, kind-of@^6.0.2:
   resolved "https://registry.yarnpkg.com/kind-of/-/kind-of-6.0.3.tgz#07c05034a6c349fa06e24fa35aa76db4580ce4dd"
   integrity sha512-dcS1ul+9tmeD95T+x28/ehLgd9mENa3LsvDTtzm3vyBEO7RPptvAD+t44WVXaUjTBRcrpFeFlC8WCruUR456hw==
 
+klaw-sync@^6.0.0:
+  version "6.0.0"
+  resolved "https://registry.yarnpkg.com/klaw-sync/-/klaw-sync-6.0.0.tgz#1fd2cfd56ebb6250181114f0a581167099c2b28c"
+  integrity sha512-nIeuVSzdCCs6TDPTqI8w1Yre34sSq7AkZ4B3sfOBbI2CgVSB4Du4aLQijFU2+lhAFCwt9+42Hel6lQNIv6AntQ==
+  dependencies:
+    graceful-fs "^4.1.11"
+
 kleur@^3.0.3:
   version "3.0.3"
   resolved "https://registry.yarnpkg.com/kleur/-/kleur-3.0.3.tgz#a79c9ecc86ee1ce3fa6206d1216c501f147fc07e"
@@ -7475,6 +7500,24 @@ pascalcase@^0.1.1:
   resolved "https://registry.yarnpkg.com/pascalcase/-/pascalcase-0.1.1.tgz#b363e55e8006ca6fe21784d2db22bd15d7917f14"
   integrity sha1-s2PlXoAGym/iF4TS2yK9FdeRfxQ=
 
+patch-package@^6.2.2:
+  version "6.2.2"
+  resolved "https://registry.yarnpkg.com/patch-package/-/patch-package-6.2.2.tgz#71d170d650c65c26556f0d0fbbb48d92b6cc5f39"
+  integrity sha512-YqScVYkVcClUY0v8fF0kWOjDYopzIM8e3bj/RU1DPeEF14+dCGm6UeOYm4jvCyxqIEQ5/eJzmbWfDWnUleFNMg==
+  dependencies:
+    "@yarnpkg/lockfile" "^1.1.0"
+    chalk "^2.4.2"
+    cross-spawn "^6.0.5"
+    find-yarn-workspace-root "^1.2.1"
+    fs-extra "^7.0.1"
+    is-ci "^2.0.0"
+    klaw-sync "^6.0.0"
+    minimist "^1.2.0"
+    rimraf "^2.6.3"
+    semver "^5.6.0"
+    slash "^2.0.0"
+    tmp "^0.0.33"
+
 path-browserify@0.0.1:
   version "0.0.1"
   resolved "https://registry.yarnpkg.com/path-browserify/-/path-browserify-0.0.1.tgz#e6c4ddd7ed3aa27c68a20cc4e50e1a4ee83bbc4a"