[shared_preferences] Add iOS unit tests (#4011)

Author: jmagman

packages/shared_preferences/shared_preferences/CHANGELOG.md

@@ -1,3 +1,7 @@
+## NEXT
+
+* Add iOS unit test target.
+
 ## 2.0.6
 
 * Migrate maven repository from jcenter to mavenCentral.

packages/shared_preferences/shared_preferences/example/ios/Podfile

@@ -29,6 +29,9 @@ flutter_ios_podfile_setup
 
 target 'Runner' do
   flutter_install_all_ios_pods File.dirname(File.realpath(__FILE__))
+  target 'RunnerTests' do
+    inherit! :search_paths
+  end
 end
 
 post_install do |installer|

packages/shared_preferences/shared_preferences/example/ios/Runner.xcodeproj/project.pbxproj

@@ -37,6 +37,16 @@
          </BuildableReference>
       </MacroExpansion>
       <Testables>
+         <TestableReference
+            skipped = "NO">
+            <BuildableReference
+               BuildableIdentifier = "primary"
+               BlueprintIdentifier = "F76AC2052669B6AE0040C8BC"
+               BuildableName = "RunnerTests.xctest"
+               BlueprintName = "RunnerTests"
+               ReferencedContainer = "container:Runner.xcodeproj">
+            </BuildableReference>
+         </TestableReference>
       </Testables>
    </TestAction>
    <LaunchAction

packages/shared_preferences/shared_preferences/example/ios/Runner.xcodeproj/xcshareddata/xcschemes/Runner.xcscheme

@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>CFBundleDevelopmentRegion</key>
+	<string>$(DEVELOPMENT_LANGUAGE)</string>
+	<key>CFBundleExecutable</key>
+	<string>$(EXECUTABLE_NAME)</string>
+	<key>CFBundleIdentifier</key>
+	<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
+	<key>CFBundleInfoDictionaryVersion</key>
+	<string>6.0</string>
+	<key>CFBundleName</key>
+	<string>$(PRODUCT_NAME)</string>
+	<key>CFBundlePackageType</key>
+	<string>$(PRODUCT_BUNDLE_PACKAGE_TYPE)</string>
+	<key>CFBundleShortVersionString</key>
+	<string>1.0</string>
+	<key>CFBundleVersion</key>
+	<string>1</string>
+</dict>
+</plist>

packages/shared_preferences/shared_preferences/example/ios/Runner.xcworkspace/contents.xcworkspacedata

@@ -0,0 +1,18 @@
+// Copyright 2013 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+@import shared_preferences;
+@import XCTest;
+
+@interface SharedPreferencesTests : XCTestCase
+@end
+
+@implementation SharedPreferencesTests
+
+- (void)testPlugin {
+  FLTSharedPreferencesPlugin* plugin = [[FLTSharedPreferencesPlugin alloc] init];
+  XCTAssertNotNil(plugin);
+}
+
+@end