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#import "MGLStyle.h"
#import "NSBundle+MGLAdditions.h"
#import <mbgl/util/default_styles.hpp>
#import <XCTest/XCTest.h>
#import <objc/runtime.h>
@interface MGLStyleTests : XCTestCase
@end
@implementation MGLStyleTests
- (void)testUnversionedStyleURLs {
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wdeprecated-declarations"
XCTAssertEqualObjects([MGLStyle streetsStyleURL].absoluteString, @"mapbox://styles/mapbox/streets-v8");
XCTAssertEqualObjects([MGLStyle emeraldStyleURL].absoluteString, @"mapbox://styles/mapbox/emerald-v8");
XCTAssertEqualObjects([MGLStyle lightStyleURL].absoluteString, @"mapbox://styles/mapbox/light-v8");
XCTAssertEqualObjects([MGLStyle darkStyleURL].absoluteString, @"mapbox://styles/mapbox/dark-v8");
XCTAssertEqualObjects([MGLStyle satelliteStyleURL].absoluteString, @"mapbox://styles/mapbox/satellite-v8");
XCTAssertEqualObjects([MGLStyle hybridStyleURL].absoluteString, @"mapbox://styles/mapbox/satellite-hybrid-v8");
#pragma clang diagnostic pop
}
- (void)testVersionedStyleURLs {
// Test that all the default styles have publicly-declared MGLStyle class
// methods and that the URLs all have the right values.
XCTAssertEqualObjects([MGLStyle streetsStyleURLWithVersion:MGLStyleDefaultVersion].absoluteString, @(mbgl::util::default_styles::streets.url));
XCTAssertEqualObjects([MGLStyle streetsStyleURLWithVersion:99].absoluteString, @"mapbox://styles/mapbox/streets-v99");
XCTAssertEqualObjects([MGLStyle outdoorsStyleURLWithVersion:MGLStyleDefaultVersion].absoluteString, @(mbgl::util::default_styles::outdoors.url));
XCTAssertEqualObjects([MGLStyle outdoorsStyleURLWithVersion:99].absoluteString, @"mapbox://styles/mapbox/outdoors-v99");
XCTAssertEqualObjects([MGLStyle lightStyleURLWithVersion:MGLStyleDefaultVersion].absoluteString, @(mbgl::util::default_styles::light.url));
XCTAssertEqualObjects([MGLStyle lightStyleURLWithVersion:99].absoluteString, @"mapbox://styles/mapbox/light-v99");
XCTAssertEqualObjects([MGLStyle darkStyleURLWithVersion:MGLStyleDefaultVersion].absoluteString, @(mbgl::util::default_styles::dark.url));
XCTAssertEqualObjects([MGLStyle darkStyleURLWithVersion:99].absoluteString, @"mapbox://styles/mapbox/dark-v99");
XCTAssertEqualObjects([MGLStyle satelliteStyleURLWithVersion:MGLStyleDefaultVersion].absoluteString, @(mbgl::util::default_styles::satellite.url));
XCTAssertEqualObjects([MGLStyle satelliteStyleURLWithVersion:99].absoluteString, @"mapbox://styles/mapbox/satellite-v99");
XCTAssertEqualObjects([MGLStyle satelliteStreetsStyleURLWithVersion:MGLStyleDefaultVersion].absoluteString, @(mbgl::util::default_styles::satelliteStreets.url));
XCTAssertEqualObjects([MGLStyle satelliteStreetsStyleURLWithVersion:99].absoluteString, @"mapbox://styles/mapbox/satellite-streets-v99");
static_assert(6 == mbgl::util::default_styles::numOrderedStyles,
"MGLStyleTests isn’t testing all the styles in mbgl::util::default_styles.");
}
- (void)testStyleURLDeclarations {
// Make sure this test is comprehensive.
const unsigned numImplicitArgs = 2 /* _cmd, self */;
unsigned numMethods = 0;
Method *methods = class_copyMethodList(object_getClass([MGLStyle class]), &numMethods);
unsigned numVersionedMethods = 0;
for (NSUInteger i = 0; i < numMethods; i++) {
Method method = methods[i];
SEL selector = method_getName(method);
NSString *name = @(sel_getName(selector));
unsigned numArgs = method_getNumberOfArguments(method);
if ([name hasSuffix:@"StyleURL"]) {
XCTAssertEqual(numArgs, numImplicitArgs, @"Unversioned style URL method should have no parameters, but it has %u.", numArgs - numImplicitArgs);
} else if ([name hasSuffix:@"StyleURLWithVersion:"]) {
XCTAssertEqual(numArgs, numImplicitArgs + 1, @"Versioned style URL method should have one parameter, but it has %u.", numArgs - numImplicitArgs);
numVersionedMethods++;
} else {
XCTAssertEqual([name rangeOfString:@"URL"].location, NSNotFound, @"MGLStyle style URL method %@ is malformed.", name);
}
}
XCTAssertEqual(mbgl::util::default_styles::numOrderedStyles, numVersionedMethods,
@"There are %lu default styles but MGLStyleTests only provides versioned style URL methods for %u of them.",
mbgl::util::default_styles::numOrderedStyles, numVersionedMethods);
// Test that all the versioned style methods are in the public header.
NSString *styleHeader = self.stringWithContentsOfStyleHeader;
NSError *versionedMethodError;
NSString *versionedMethodExpressionString = @(R"RE(^\+\s*\(NSURL\s*\*\s*\)\s*\w+StyleURLWithVersion\s*:\s*\(\s*NSInteger\s*\)\s*version\s*;)RE");
NSRegularExpression *versionedMethodExpression = [NSRegularExpression regularExpressionWithPattern:versionedMethodExpressionString options:NSRegularExpressionAnchorsMatchLines error:&versionedMethodError];
XCTAssertNil(versionedMethodError, @"Error compiling regular expression to search for versioned methods.");
NSUInteger numVersionedMethodDeclarations = [versionedMethodExpression numberOfMatchesInString:styleHeader options:0 range:NSMakeRange(0, styleHeader.length)];
XCTAssertEqual(numVersionedMethodDeclarations, numVersionedMethods);
// Test that “current version is” statements are present and current for all versioned style methods.
NSError *versionError;
NSString *versionExpressionString = @(R"RE(current version is `(\d+)`)RE");
NSRegularExpression *versionExpression = [NSRegularExpression regularExpressionWithPattern:versionExpressionString options:0 error:&versionError];
XCTAssertNil(versionError, @"Error compiling regular expression to search for current version statements.");
NSUInteger numVersionDeclarations = [versionExpression numberOfMatchesInString:styleHeader options:0 range:NSMakeRange(0, styleHeader.length)];
XCTAssertEqual(numVersionDeclarations, numVersionedMethods);
[versionExpression enumerateMatchesInString:styleHeader options:0 range:NSMakeRange(0, styleHeader.length) usingBlock:^(NSTextCheckingResult * _Nullable result, NSMatchingFlags flags, BOOL * _Nonnull stop) {
XCTAssertEqual(result.numberOfRanges, 2, @"Regular expression should have one capture group.");
NSString *version = [styleHeader substringWithRange:[result rangeAtIndex:1]];
XCTAssertEqual([version integerValue], MGLStyleDefaultVersion, @"Versioned style URL method should document current version as %ld, not %ld.", MGLStyleDefaultVersion, version.integerValue);
}];
}
- (NSString *)stringWithContentsOfStyleHeader {
NSURL *styleHeaderURL = [[[NSBundle mgl_frameworkBundle].bundleURL
URLByAppendingPathComponent:@"Headers" isDirectory:YES]
URLByAppendingPathComponent:@"MGLStyle.h"];
NSError *styleHeaderError;
NSString *styleHeader = [NSString stringWithContentsOfURL:styleHeaderURL usedEncoding:nil error:&styleHeaderError];
XCTAssertNil(styleHeaderError, @"Error getting contents of MGLStyle.h.");
return styleHeader;
}
@end
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