Fixed styling

Author: AkshatG6

GoogleSignIn/Sources/GIDEMMSupport.m

@@ -161,9 +161,9 @@ - (void)updateErrorForAuthSession:(GTMAuthSession *)authSession
       return;
     }
 
-    // Case 3: The value is of NSArray or NSDictionary type.
-    // To satisfy `GTMAppAuth`'s requirement for [String: String] parameters, the entire
-    // object is serialized into a single JSON string.
+    // Case 3: The value is of `NSArray` or `NSDictionary` type.
+    // To satisfy `GTMAppAuth`'s requirement for `NSDictionary<NSString *, NSString *>` parameter,
+    // the entire value object is serialized into a single `JSON` string.
     if ([NSJSONSerialization isValidJSONObject:value]) {
       NSError *error = nil;
       NSData *jsonData = [NSJSONSerialization dataWithJSONObject:value options:0 error:&error];

GoogleSignIn/Tests/Unit/GIDEMMSupportTest.m

@@ -287,7 +287,8 @@ - (void)testStringConversion_withAnyNumber_isConvertedToString {
   NSDictionary *resultDictionary = [GIDEMMSupport
                                     dictionaryWithStringValuesFromDictionary:inputDictionary];
 
-  XCTAssertTrue([resultDictionary[@"number_key"] isKindOfClass:[NSString class]]);
+  XCTAssertTrue([resultDictionary[@"number_key"] isKindOfClass:[NSString class]],
+                @"The value should be an NSString.");
   XCTAssertEqualObjects(resultDictionary[@"number_key"], @"12345",
                         @"The NSNumber should be converted to a string.");
 }
@@ -298,7 +299,8 @@ - (void)testStringConversion_withNumberOne_isConvertedToString {
   NSDictionary *resultDictionary = [GIDEMMSupport
                                     dictionaryWithStringValuesFromDictionary:inputDictionary];
 
-  XCTAssertTrue([resultDictionary[@"number_key"] isKindOfClass:[NSString class]]);
+  XCTAssertTrue([resultDictionary[@"number_key"] isKindOfClass:[NSString class]],
+                @"The value should be an NSString.");
   XCTAssertEqualObjects(resultDictionary[@"number_key"], @"1",
                         @"The NSNumber should be converted to a string.");
 }
@@ -309,7 +311,8 @@ - (void)testStringConversion_withNumberZero_isConvertedToString {
   NSDictionary *resultDictionary = [GIDEMMSupport
                                     dictionaryWithStringValuesFromDictionary:inputDictionary];
 
-  XCTAssertTrue([resultDictionary[@"number_key"] isKindOfClass:[NSString class]]);
+  XCTAssertTrue([resultDictionary[@"number_key"] isKindOfClass:[NSString class]],
+                @"The value should be an NSString.");
   XCTAssertEqualObjects(resultDictionary[@"number_key"], @"0",
                         @"The NSNumber should be converted to a string.");
 }
@@ -365,7 +368,6 @@ - (void)testStringConversion_withArray_isConvertedToJSONString {
 }
 
 - (void)testStringConversion_withDictionary_isConvertedToJSONString {
-  NSDictionary *valueAsDictionary = @{ @"nested_key": @"nested_value" };
   NSDictionary *inputDictionary = @{
     @"dict_key": @{
       @"nested_key": @"nested_value"
@@ -392,17 +394,25 @@ - (void)testStringConversion_withMixedTypes_allAreConverted {
   NSDictionary *resultDictionary = [GIDEMMSupport
                                     dictionaryWithStringValuesFromDictionary:inputDictionary];
 
-  XCTAssertTrue([resultDictionary[@"string_key"] isKindOfClass:[NSString class]]);
-  XCTAssertEqualObjects(resultDictionary[@"string_key"], @"hello");
+  XCTAssertTrue([resultDictionary[@"string_key"] isKindOfClass:[NSString class]],
+                @"The value should be an NSString.");
+  XCTAssertEqualObjects(resultDictionary[@"string_key"], @"hello",
+                        @"The original string value should be preserved");
 
-  XCTAssertTrue([resultDictionary[@"number_key"] isKindOfClass:[NSString class]]);
-  XCTAssertEqualObjects(resultDictionary[@"number_key"], @"987");
+  XCTAssertTrue([resultDictionary[@"number_key"] isKindOfClass:[NSString class]],
+                @"The value should be an NSString.");
+  XCTAssertEqualObjects(resultDictionary[@"number_key"], @"987",
+                        @"The NSNumber should be converted to a string.");
 
-  XCTAssertTrue([resultDictionary[@"bool_key"] isKindOfClass:[NSString class]]);
-  XCTAssertEqualObjects(resultDictionary[@"bool_key"], @"true");
+  XCTAssertTrue([resultDictionary[@"bool_key"] isKindOfClass:[NSString class]],
+                @"The value should be an NSString.");
+  XCTAssertEqualObjects(resultDictionary[@"bool_key"], @"true",
+                        @"The boolean YES should be converted to the string 'true'.");
 
-  XCTAssertTrue([resultDictionary[@"array_key"] isKindOfClass:[NSString class]]);
-  XCTAssertEqualObjects(resultDictionary[@"array_key"], @"[\"a\",false]");
+  XCTAssertTrue([resultDictionary[@"array_key"] isKindOfClass:[NSString class]],
+                @"The value should be an NSString.");
+  XCTAssertEqualObjects(resultDictionary[@"array_key"], @"[\"a\",false]",
+                        @"The array should be serialized into a JSON string.");
 }
 
 - (void)testStringConversion_withEmptyDictionary_returnsEmptyDictionary {