Test resources_pod() (#30)

Author: tido64

.github/workflows/build.yml

@@ -10,6 +10,9 @@ jobs:
     steps:
     - name: Checkout
       uses: actions/checkout@v2
+    - name: minitest
+      run: |
+        ruby -Ilib:test test/test_test_app.rb
     - name: Install
       run: |
         yarn

.npmignore

@@ -3,5 +3,9 @@
 .clang-format
 .gitattributes
 .github/
+.rubocop.yml
 .swiftlint.yml
+Gemfile
 example/
+scripts/
+test/

test/fixtures/with_resources/app.json

@@ -0,0 +1,13 @@
+{
+  "name": "TestFixture",
+  "displayName": "TestFixture",
+  "components": {
+    "TestFixture": {
+      "displayName": "Test"
+    }
+  },
+  "resources": [
+    "dist/assets",
+    "dist/main.jsbundle"
+  ]
+}

test/fixtures/with_resources/ios/.gitignore

@@ -0,0 +1,2 @@
+*
+!.gitignore

test/fixtures/without_resources/app.json

@@ -0,0 +1,9 @@
+{
+  "name": "TestFixture",
+  "displayName": "TestFixture",
+  "components": {
+    "TestFixture": {
+      "displayName": "Test"
+    }
+  }
+}

test/fixtures/without_resources/ios/.gitignore

@@ -0,0 +1,2 @@
+*
+!.gitignore

test/test_test_app.rb

@@ -0,0 +1,50 @@
+#
+# Copyright (c) Microsoft Corporation. All rights reserved.
+#
+# This source code is licensed under the MIT license found in the
+# LICENSE file in the root directory of this source tree.
+#
+
+require('minitest/autorun')
+
+require_relative('../test_app')
+
+def app_manifest_path(project_root, podspec_path)
+  File.join(project_root, podspec_path, 'ReactTestApp-Resources.podspec.json')
+end
+
+class TestTestApp < Minitest::Test
+  def test_resources_pod_returns_spec_path
+    assert_nil(resources_pod('/'))
+    assert_nil(resources_pod('.'))
+
+    project_root = File.join(__dir__, 'fixtures', 'without_resources')
+    assert_nil(resources_pod(project_root))
+
+    project_root = File.join(__dir__, 'fixtures', 'without_resources', 'ios')
+    assert_nil(resources_pod(project_root))
+
+    project_root = File.join(__dir__, 'fixtures', 'with_resources')
+    assert_equal('.', resources_pod(project_root))
+
+    project_root = File.join(__dir__, 'fixtures', 'with_resources', 'ios')
+    assert_equal('..', resources_pod(project_root))
+  end
+
+  def test_resources_pod_writes_podspec
+    [
+      File.join(__dir__, 'fixtures', 'with_resources'),
+      File.join(__dir__, 'fixtures', 'with_resources', 'ios')
+    ].each do |project_root|
+      begin
+        podspec_path = resources_pod(project_root)
+        manifest_path = app_manifest_path(project_root, podspec_path)
+        manifest = JSON.parse(File.read(manifest_path))
+
+        assert_equal(%w[dist/assets dist/main.jsbundle], manifest['resources'].sort)
+      ensure
+        File.delete(manifest_path)
+      end
+    end
+  end
+end

test_app.rb

@@ -5,6 +5,9 @@
 # LICENSE file in the root directory of this source tree.
 #
 
+require('json')
+require('pathname')
+
 def autolink_script_path
   package_path = resolve_module('@react-native-community/cli-platform-ios')
   File.join(package_path, 'native_modules')
@@ -37,7 +40,7 @@ def resources_pod(project_root, current_dir = project_root)
 
   podspec_path = File.join(current_dir, 'ReactTestApp-Resources.podspec.json')
   File.write(podspec_path, spec.to_json)
-  at_exit { File.delete(podspec_path) }
+  at_exit { File.delete(podspec_path) if File.exist?(podspec_path) }
   Pathname.new(current_dir).relative_path_from(project_root).to_s
 end