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#import <XCTest/XCTest.h>
#import "MGLTypes.h"
#import "NSExpression+MGLPrivateAdditions.h"
@interface MGLExpressionJSTests : XCTestCase
@end
@implementation MGLExpressionJSTests
NSString *testRootPath = @"expression-tests";
NSSet *testsToSkip = [NSSet setWithObjects:
/* crashers */
@"to-boolean", // EXC_BAD_ACCESS (code=1, address=0x1)
@"concat/arity-1", // EXC_BAD_ACCESS (code=1, address=0x1)
@"plus/arity-1", // EXC_BAD_ACCESS (code=EXC_I386_GPFLT)
@"minus/arity-0", // EXC_BAD_ACCESS (code=EXC_I386_GPFLT)
@"minus/arity-1", // EXC_BAD_ACCESS (code=EXC_I386_GPFLT)
@"times/arity-1", // EXC_BAD_ACCESS (code=EXC_I386_GPFLT)
/* not yet implemented */
@"/log2",
@"/geometry-type",
@"/pow",
@"/not_equal",
@"/not",
@"/less",
@"/greater",
@"/array",
@"/match",
@"/less_or_equal",
@"/to-rgba",
@"/rgba",
@"/rgb",
@"/sin",
@"/acos",
@"/cos",
@"/step",
@"/all",
@"/to-color",
@"/number",
@"/to-number",
@"/any",
@"/object",
@"/boolean",
@"/coalesce",
@"/tan",
@"/atan",
@"/typeof",
@"/equal",
@"/has",
@"/string",
@"/ln2",
@"/interpolate", // Interpolation expressions lack underlying Objective-C implementations.
@"/asin",
@"/max",
@"/properties",
@"/id",
@"/at",
/* unmet dependencies */
@"get/from-literal", // number
@"get/basic", // number
@"get/from-literal--missing", // number
@"get/from-object-property", // number
@"to-string/color", // rgba
@"let/property-function", // number
@"min/arity-0", // all
@"at/basic", // number
@"case/precedence", // boolean
@"constant-folding/evaluation-error", // interpolation
@"zoom/nested-coalesce", // coalesce
@"zoom/invalid-nested-4", // coalesce
@"case/infer-array-type", // boolean
/* failures */
@"concat/basic", // ((expressionValue) equal to (expectedValue)) failed: ("ab") is not equal to ("abc")
@"concat/arity-0", // *** -[NSArray subarrayWithRange:]: range {1, 18446744073709551615} extends beyond bounds for empty array
@"heatmap-density/basic", // Can't get value for 'heatmapDensity' in bindings { }.
@"literal/nested-array", // -[__NSCFNumber isEqualToString:]: unrecognized selector sent to instance 0xb000000000000033
@"literal/multiple-args", // ((expressionValue) equal to (expectedValue)) failed: ("{ }") is not equal to ("(null)")
@"times/arity-0", // *** -[__NSPlaceholderArray initWithObjects:count:]: attempt to insert nil object from objects[0]
@"parse/empty", // *** -[NSArray subarrayWithRange:]: range {1, 18446744073709551615} extends beyond bounds for empty array
@"parse/non-string", // -[__NSCFNumber isEqualToString:]: unrecognized selector sent to instance 0xb000000000000013
@"pi/basic", // ((expressionValue) equal to (expectedValue)) failed: ("3.141592653589793") is not equal to ("3.14159")
@"e/basic", // ((expressionValue) equal to (expectedValue)) failed: ("2.718281828459045") is not equal to ("2.71828")
@"to-string/basic", // ((expressionValue) equal to (expectedValue)) failed: ("0") is not equal to ("false")
@"let/shadow", // Can't get value for 'a' in bindings { }
@"let/basic", // Can't get value for 'a' in bindings { }
@"let/zoom", // Can't get value for 'zoomLevel' in bindings { }
@"let/nested", // Can't get value for 'a' in bindings { }
@"case/basic", // Unrecognized expression conditional operator get.
@"zoom/invalid-no-curve", // Can't get value for 'zoomLevel' in bindings { }
@"zoom/nested-let", // Can't get value for 'zoomLevel' in bindings { }
@"zoom/basic", // Can't get value for 'zoomLevel' in bindings { }
@"zoom/invalid-nested-1", // Can't get value for 'zoomLevel' in bindings { }
@"zoom/invalid-nested-2", // Can't get value for 'zoomLevel' in bindings { }
@"zoom/invalid-nested-3", // Can't get value for 'zoomLevel' in bindings { }
@"zoom/invalid-nested-5", // *** -[__NSPlaceholderArray initWithObjects:count:]: attempt to insert nil object from objects[1]
@"plus/arity-0", // *** -[__NSPlaceholderArray initWithObjects:count:]: attempt to insert nil object from objects[0]
@"plus/arity-1", // *** -[__NSPlaceholderArray initWithObjects:count:]: attempt to insert nil object from objects[0]
/* intentional failures */
@"length/invalid", // Invoked count with non-collection parameter.
@"length/implicit", // Invoked count with non-collection parameter.
@"parse/unknown-expression", // Expression operator FAKE-EXPRESSION not yet implemented.
nil
];
- (void)testAllJavascriptTests {
NSBundle *bundle = [NSBundle bundleForClass:[self class]];
NSURL *rootURL = [[bundle bundleURL] URLByAppendingPathComponent:testRootPath];
NSFileManager *fileManager = [NSFileManager defaultManager];
NSDirectoryEnumerator *enumerator = [fileManager enumeratorAtURL:rootURL
includingPropertiesForKeys:@[NSURLIsDirectoryKey]
options:0
errorHandler:nil];
for (NSURL *fileURL in enumerator) {
if ([[fileURL lastPathComponent] isEqual:@"test.json"] && ![self shouldSkipTest:fileURL] ) {
NSData *data = [NSData dataWithContentsOfURL:fileURL];
NSError *error = nil;
NSDictionary *jsonDict = [NSJSONSerialization JSONObjectWithData:data options:0 error:&error];
NSString *testName = [self testNameFromURL:fileURL];
if (!jsonDict && error) {
XCTFail(@"JSON parse failed with error: %@", error.localizedDescription);
continue;
}
try {
NSLog(@"Running %@", testName);
[self runTestsNamed:testName withDictionary:jsonDict];
} catch (NSException *e) {
XCTFail(@"%@: %@", testName, e.reason);
continue;
}
}
}
}
- (BOOL)shouldSkipTest:(NSURL *)fileURL {
NSPredicate *blacklistPredicate = [NSPredicate predicateWithBlock:^BOOL( NSString * _Nullable evaluatedString, NSDictionary<NSString *,id> * _Nullable bindings) {
return [fileURL.absoluteString containsString:evaluatedString];
}];
BOOL shouldSkip = [testsToSkip filteredSetUsingPredicate:blacklistPredicate].count > 0;
if (shouldSkip) {
NSLog(@"Skipping blacklisted test: %@", [self testNameFromURL:fileURL]);
}
return shouldSkip;
}
- (void)runTestsNamed:(NSString *)testName withDictionary:(NSDictionary *)testcase {
NSArray *inputs = testcase[@"inputs"];
NSExpression *exp = [NSExpression expressionWithMGLJSONObject:testcase[@"expression"]];
for (int i = 0; i < inputs.count; i++) {
NSArray *input = inputs[i];
NSDictionary *actualInput = [input[1] objectForKey:@"properties"];
id expressionValue = [exp expressionValueWithObject:actualInput context:[NSMutableDictionary dictionary]];
id expectedValue = testcase[@"expected"][@"outputs"][i];
XCTAssertEqualObjects(expressionValue, expectedValue, @"in %@", testName);
}
}
- (NSString *)testNameFromURL:(NSURL *)testURL {
return [testURL.absoluteString componentsSeparatedByString:testRootPath].lastObject;
}
@end
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