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WebDriverAgentTests/UnitTests/FBProtocolHelpersTests.m

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+/**
+ * Copyright (c) 2015-present, Facebook, Inc.
+ * All rights reserved.
+ *
+ * This source code is licensed under the BSD-style license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+#import <XCTest/XCTest.h>
+
+#import "FBProtocolHelpers.h"
+
+@interface FBProtocolHelpersTests : XCTestCase
+@end
+
+@implementation FBProtocolHelpersTests
+
+- (void)testValidPrefixedCapsParsing
+{
+  NSError *error = nil;
+  NSDictionary<NSString *, id> *parsedCaps = FBParseCapabilities(@{
+    @"firstMatch": @[@{
+      @"appium:bundleId": @"com.example.id"
+    }]
+  }, &error);
+  XCTAssertNil(error);
+  XCTAssertEqualObjects(parsedCaps[@"bundleId"], @"com.example.id");
+}
+
+- (void)testValidPrefixedCapsMerging
+{
+  NSError *error = nil;
+  NSDictionary<NSString *, id> *parsedCaps = FBParseCapabilities(@{
+     @"firstMatch": @[@{
+       @"bundleId": @"com.example.id"
+     }],
+     @"alwaysMatch": @{
+       @"google:cap": @"super"
+     }
+   }, &error);
+  XCTAssertNil(error);
+  XCTAssertEqualObjects(parsedCaps[@"bundleId"], @"com.example.id");
+  XCTAssertEqualObjects(parsedCaps[@"google:cap"], @"super");
+}
+
+- (void)testEmptyCaps
+{
+  NSError *error = nil;
+  NSDictionary<NSString *, id> *parsedCaps = FBParseCapabilities(@{}, &error);
+  XCTAssertNil(error);
+  XCTAssertEqual(parsedCaps.count, 0);
+}
+
+- (void)testCapsMergingFailure
+{
+  NSError *error = nil;
+  NSDictionary<NSString *, id> *parsedCaps = FBParseCapabilities(@{
+    @"firstMatch": @[@{
+      @"appium:bundleId": @"com.example.id"
+    }],
+    @"alwaysMatch": @{
+      @"bundleId": @"other"
+    }
+  }, &error);
+  XCTAssertNil(parsedCaps);
+  XCTAssertNotNil(error);
+}
+
+- (void)testPrefixingStandardCapability
+{
+  NSError *error = nil;
+  NSDictionary<NSString *, id> *parsedCaps = FBParseCapabilities(@{
+    @"firstMatch": @[@{
+      @"appium:platformName": @"com.example.id"
+    }]
+  }, &error);
+  XCTAssertNil(parsedCaps);
+  XCTAssertNotNil(error);
+}
+
+@end