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Adds JSONHelper methods to read numbers as ints.

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This commit is contained in:
Tom Hicks
2020-09-17 00:30:22 -07:00
parent 82625d4548
commit 4a1145fd28
3 changed files with 122 additions and 0 deletions
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82
MonsterCardsTests/Helpers/JSONHelperTests.m
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@@ -191,6 +191,51 @@ NSArray* readJSONArrayFromString(NSString *jsonString) {
XCTAssertNil(readNumber);
}
- (void)testReadIntFromDictionaryReturnsZeroIfKeyNotPresent {
NSString *jsonString = [NSString stringWithFormat:@"{%@}", _jsonStringFragment];
NSDictionary *jsonRoot = readJSONDictionaryFromString(jsonString);
XCTAssertNotNil(jsonRoot);
int readNumber = [JSONHelper readIntFromDictionary:jsonRoot forKey:_jsonIntegerKey];
XCTAssertEqual(0, readNumber);
}
- (void)testReadIntFromDictionaryWithDefaultReturnsDefaultIfKeyNotPresent {
NSString *jsonString = [NSString stringWithFormat:@"{%@}", _jsonStringFragment];
NSDictionary *jsonRoot = readJSONDictionaryFromString(jsonString);
XCTAssertNotNil(jsonRoot);
int readNumber = [JSONHelper readIntFromDictionary:jsonRoot forKey:_jsonIntegerKey withDefaultValue:[_jsonIntegerValue intValue]];
XCTAssertEqual([_jsonIntegerValue intValue], readNumber);
}
- (void) testReadIntFromDictionaryReturnsCorrectValue {
NSString *jsonString = [NSString stringWithFormat:@"{%@}", _jsonIntegerFragment];
NSDictionary *jsonRoot = readJSONDictionaryFromString(jsonString);
XCTAssertNotNil(jsonRoot);
int readNumber = [JSONHelper readIntFromDictionary:jsonRoot forKey:_jsonIntegerKey];
XCTAssertEqual([_jsonIntegerValue intValue], readNumber);
}
- (void)testReadIntFromDictionaryWithDefaultReturnsCorrectValue {
NSString *jsonString = [NSString stringWithFormat:@"{%@}", _jsonIntegerFragment];
NSDictionary *jsonRoot = readJSONDictionaryFromString(jsonString);
XCTAssertNotNil(jsonRoot);
int readNumber = [JSONHelper readIntFromDictionary:jsonRoot forKey:_jsonIntegerKey withDefaultValue:67890];
XCTAssertEqual([_jsonIntegerValue intValue], readNumber);
}
- (void) testReadIntFromDictionaryReturnsZeroIfWrongType {
NSString *jsonString = [NSString stringWithFormat:@"{\"%@\":\"%@\"}", _jsonIntegerKey, _jsonStringValue];
NSDictionary *jsonRoot = readJSONDictionaryFromString(jsonString);
XCTAssertNotNil(jsonRoot);
int readNumber = [JSONHelper readIntFromDictionary:jsonRoot forKey:_jsonIntegerKey];
XCTAssertEqual(0, readNumber);
}
#pragma mark - Integers in Arrays
- (void)testReadIntegerFromArrayReturnsNilIfNotAnInteger {
@@ -230,4 +275,41 @@ NSArray* readJSONArrayFromString(NSString *jsonString) {
XCTAssertEqualObjects(_jsonIntegerValue, readNumber);
}
- (void)testReadIntFromArrayReturnsNilIfNotAnInteger {
NSString *jsonString = [NSString stringWithFormat:@"[\"%@\"]", _jsonStringValue];
NSArray *jsonRoot = readJSONArrayFromString(jsonString);
XCTAssertNotNil(jsonRoot);
int readNumber = [JSONHelper readIntFromArray:jsonRoot forIndex:0];
XCTAssertEqual(0, readNumber);
}
- (void)testReadIntFromArrayWithDefaultReturnsDefaultValueIfNotAnInteger {
NSString *jsonString = [NSString stringWithFormat:@"[\"%@\"]", _jsonStringValue];
NSArray *jsonRoot = readJSONArrayFromString(jsonString);
XCTAssertNotNil(jsonRoot);
int readNumber = [JSONHelper readIntFromArray:jsonRoot forIndex:0 withDefaultValue:[_jsonIntegerValue intValue]];
XCTAssertEqual([_jsonIntegerValue intValue], readNumber);
}
- (void)testReadIntFromArrayThrowsIfIndexOutOfRange {
// TODO: Decide if this should throw or return 0
NSString *jsonString = @"[]";
NSArray *jsonRoot = readJSONArrayFromString(jsonString);
XCTAssertNotNil(jsonRoot);
XCTAssertThrows([JSONHelper readIntFromArray:jsonRoot forIndex:0]);
XCTAssertThrows([JSONHelper readIntFromArray:jsonRoot forIndex:-1]);
}
- (void)testReadIntFromArrayReturnsCorrectValue {
NSString *jsonString = [NSString stringWithFormat:@"[%@]", _jsonIntegerValue];
NSArray *jsonRoot = readJSONArrayFromString(jsonString);
XCTAssertNotNil(jsonRoot);
int readNumber = [JSONHelper readIntFromArray:jsonRoot forIndex:0];
XCTAssertEqual([_jsonIntegerValue intValue], readNumber);
}
@end