Framework/ROADSerialization/ROADSerializationTest/Classes/RFCustomJSONSerializationHandlingTest.m

//
//  RFCustomJSONSerializationHandlingTest.m
//  ROADSerialization
//
//  Copyright (c) 2014 EPAM Systems, Inc. All rights reserved.
//
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#import <XCTest/XCTest.h>

#import "RFAttributedCoder.h"
#import "RFAttributedDecoder.h"
#import "RFJSONCustomSerializationHandler.h"
#import "RFJSONCustomClassHandlerEntity.h"
#import "RFJSONCustomClassPropertyHandlerEntity.h"
#import "RFJSONCustomPropertyHandlerEntity.h"
#import "RFJSONCustomPropertyKeyHandlerEntity.h"
#import "RFSerializableStringChecker.h"
#import "RFJSONPropertyPreprocessingClass.h"


@interface RFCustomJSONSerializationHandlingTest : XCTestCase

@end


@implementation RFCustomJSONSerializationHandlingTest

- (void)testClassCustomSerializationHandler {
    NSString *encodedObject = [RFAttributedCoder encodeRootObject:[RFJSONCustomClassHandlerEntity sampleObject]];
    NSString *stringForSampleObject = @"\"Success Encoding\"";
    XCTAssertTrue([stringForSampleObject isEqualToString:encodedObject], @"JSON custom serialization handling for class failed! Result of encoding is undefined!");
}

- (void)testClassCustomDeserializationHandler {
    NSError *fileError;
    NSString *jsonString = [[NSString alloc] initWithContentsOfFile:[[NSBundle bundleForClass:[self class]] pathForResource:@"DeserializationCustomHandlingTest" ofType:@"json"] encoding:NSUTF8StringEncoding error:&fileError];
    XCTAssertNil(fileError, @"File for deserialization was not loaded properly");
    NSString *decodedObject = [RFAttributedDecoder decodeJSONString:jsonString withRootClassNamed:NSStringFromClass([RFJSONCustomClassHandlerEntity class])];
    NSString *stringForSampleObject = @"Success Decoding";
    XCTAssertTrue([stringForSampleObject isEqualToString:decodedObject], @"JSON custom deserialization handling for class failed! Result of decoding is undefined!");
}

- (void)testClassPropertyCustomSerializationHandler {
    NSString *encodedObject = [RFAttributedCoder encodeRootObject:[RFJSONCustomClassPropertyHandlerEntity sampleObject]];
    NSString *stringForSampleObject = @"{\n"
                                        "  \"string1\" : \"Success Encoding\",\n"
                                        "  \"RFSerializedObjectClassName\" : \"RFJSONCustomClassPropertyHandlerEntity\"\n"
                                        "}";
    XCTAssertTrue([stringForSampleObject isEqualToString:encodedObject], @"JSON custom serialization handling for class property failed! Result of encoding is undefined!");
}

- (void)testClassPropertyCustomDeserializationHandler {
    NSError *fileError;
    NSString *jsonString = [[NSString alloc] initWithContentsOfFile:[[NSBundle bundleForClass:[self class]] pathForResource:@"DeserializationCustomHandlingTest" ofType:@"json"] encoding:NSUTF8StringEncoding error:&fileError];
    XCTAssertNil(fileError, @"File for deserialization was not loaded properly");
    NSString *decodedObject = [RFAttributedDecoder decodeJSONString:jsonString withRootClassNamed:NSStringFromClass([RFJSONCustomClassPropertyHandlerEntity class])];
    NSString *deserializationTestObject = [RFJSONCustomClassPropertyHandlerEntity deserializationTestObject];
    XCTAssertTrue([deserializationTestObject isEqual:decodedObject], @"JSON custom deserialization handling for class property failed! Result of decoding is undefined!");
}

- (void)testPropertyCustomSerializationHandler {
    NSString *encodedObject = [RFAttributedCoder encodeRootObject:[RFJSONCustomPropertyHandlerEntity sampleObject]];
    NSString *stringForSampleObject = @"{\n"
                                        "  \"string1\" : \"Success Encoding\",\n"
                                        "  \"RFSerializedObjectClassName\" : \"RFJSONCustomPropertyHandlerEntity\"\n"
                                        "}";
    XCTAssertTrue([stringForSampleObject isEqualToString:encodedObject], @"JSON custom serialization handling for property failed! Result of encoding is undefined!");
}

- (void)testPropertyCustomDeserializationHandler {
    NSError *fileError;
    NSString *jsonString = [[NSString alloc] initWithContentsOfFile:[[NSBundle bundleForClass:[self class]] pathForResource:@"DeserializationCustomHandlingTest" ofType:@"json"] encoding:NSUTF8StringEncoding error:&fileError];
    XCTAssertNil(fileError, @"File for deserialization was not loaded properly");
    NSString *decodedObject = [RFAttributedDecoder decodeJSONString:jsonString withRootClassNamed:NSStringFromClass([RFJSONCustomPropertyHandlerEntity class])];
    NSString *deserializationTestObject = [RFJSONCustomPropertyHandlerEntity deserializationTestObject];
    XCTAssertTrue([deserializationTestObject isEqual:decodedObject], @"JSON custom deserialization handling for property failed! Result of decoding is undefined!");
}

- (void)testPropertyKeyCustomSerializationHandler {
    NSString *encodedString = [RFAttributedCoder encodeRootObject:[RFJSONCustomPropertyKeyHandlerEntity sampleObject]];
    NSString *stringForSampleObject = @"{\n"
                                        "  \"subDictionary\" : {\n"
                                        "    \"string1\" : \"Success Encoding\"\n"
                                        "  },\n"
                                        "  \"RFSerializedObjectClassName\" : \"RFJSONCustomPropertyKeyHandlerEntity\"\n"
                                        "}";
    NSString *errorMessage = [RFSerializableStringChecker serializeAndCheckEqualityOfString:encodedString withString:stringForSampleObject];
    XCTAssertNil(errorMessage, @"%@", errorMessage);
}

- (void)testPropertyKeyCustomDeserializationHandler {
    NSError *fileError;
    NSString *jsonString = [[NSString alloc] initWithContentsOfFile:[[NSBundle bundleForClass:[self class]] pathForResource:@"DeserializationCustomPropertyKeyHandlingTest" ofType:@"json"] encoding:NSUTF8StringEncoding error:&fileError];
    XCTAssertNil(fileError, @"File for deserialization was not loaded properly");
    NSString *decodedObject = [RFAttributedDecoder decodeJSONString:jsonString withRootClassNamed:NSStringFromClass([RFJSONCustomPropertyKeyHandlerEntity class])];
    NSString *deserializationTestObject = [RFJSONCustomPropertyKeyHandlerEntity deserializationTestObject];
    XCTAssertTrue([deserializationTestObject isEqual:decodedObject], @"JSON custom deserialization handling for property failed! Result of decoding is undefined!");
}

- (void)testCustomDateSerialization {
    NSString *inputString = @"{ \"customDate\" : 90000000 }";
    RFJSONPropertyPreprocessingClass *testObject = [RFAttributedDecoder decodeJSONString:inputString withRootClassNamed:NSStringFromClass([RFJSONPropertyPreprocessingClass class])];
    XCTAssertTrue([testObject.customDate isEqualToDate:[NSDate dateWithTimeIntervalSince1970:90000000 - 10000]], @"Interval from custom handling NSDate is not correct");

    NSString *outputString = [RFAttributedCoder encodeRootObject:testObject];
    NSError *error;
    NSDictionary *dictionary = [NSJSONSerialization JSONObjectWithData:[outputString dataUsingEncoding:NSUTF8StringEncoding] options:0 error:&error];
    XCTAssertNil(error, @"Attribute decoder generate not parsable json string");
    XCTAssertTrue([dictionary isKindOfClass:[NSDictionary class]], @"JSON has wrong type");

    XCTAssertEqualObjects(dictionary[@"customDate"], @90000000, @"Custom date was serialized incorrectly");
}

@end