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MapLibreParticleLab/platform/darwin/test/MGLPredicateTests.mm
Minh Nguyễn fb5b8d34f2 Reimplement style values atop NSExpression (#10726) 
* [ios, macos] Import headers, not implementation files

* [core] Added accessors for various expression parameters

Added missing parameter accessors to various expression operator classes, as well as a method on InterpolatorBase and Step that enumerates the stops and their values.

* [ios, macos] Silenced warning in test of error condition

* [ios, macos] Made MGLSphericalPosition boxable

* [ios, macos] Implemented array enumeration during conversion

* [ios, macos] Temporarily ignore heatmap layer type

* [ios, macos] Migrated MGLSymbolStyleLayer.text to NSExpression

MGLSymbolStyleLayer.text is now of type NSExpression instead of MGLStyleValue, as a first step toward migrating the entire layer API from style values to expressions.

Implemented conversions from NSExpression to JSON arrays and vice versa. The most common NSExpression functions are now converted into style expressions, but not all of the most common style expression operators are supported yet.

* [ios, macos] Implemented string coercion

* [ios, macos] Color literals

* [ios, macos] Null constant expressions

* [ios, macos] Convert dictionary literals

* [ios, macos] Interpolation expressions

* [ios, macos] to-boolean, to-number, get from object

* [ios, macos] Variable expressions

Implemented custom expression functions for assigning and referring to variables within the context of an expression. Variables are assigned via a “context dictionary” and applied to an subexpression that is given as another argument to the same expression. Also implemented built-in variable expressions for zoom level and heatmap density.

* [ios, macos] Convert colors, offsets, padding in expressions to JSON objects

* [ios, macos] Expression-based style property getters

Implemented a conversion from mbgl::style::PropertyValues to Objective-C JSON objects, which are then converted to NSExpressions.

* [ios, macos] Consolidated property value–expression conversion in MGLStyleValueTransformer

* [ios, macos] Predicate and expression guide

Extracted documentation about predicates from a documentation comment in MGLVectorStyleLayer.h to a new jazzy guide. Added details about NSExpression support as well. Began updating the “For Style Authors” guide to reflect the transition from style values to expressions.

* [ios, macos] Updated style authoring guide

Updated the Information for Style Authors guide to discuss expressions instead of style functions. Included a table mapping style specification expression operators to NSExpression syntaxes.

* [ios, macos] Migrated codegen templates to expressions

* [ios, macos] Applied expression changes via codegen

Ran make darwin-style-code.

* [macos] Migrated macosapp to expressions

* [ios, macos] Updated style function guide

This guide needs to be thoroughly rewritten, but for now the example code has been migrated to expressions.

* [ios, macos] Eviscerated style function tests

* [ios, macos] Updated changelogs

* [ios] Migrated iosapp to expressions

* [ios, macos] Exposed JSON conversion methods publicly

* [ios, macos] Removed MGLStyleValue, MGLStyleFunction
2018-01-24 00:04:02 -08:00

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#import <XCTest/XCTest.h>
#import <Mapbox/Mapbox.h>
#import "NSPredicate+MGLAdditions.h"
#import "MGLValueEvaluator.h"
namespace mbgl {
namespace style {
bool operator!=(const Filter &a, const Filter &b) {
return !(a == b);
}
}
}
#define MGLAssertEqualFilters(actual, expected, ...) \
XCTAssertTrue(actual.is<__typeof__(expected)>()); \
if (actual.is<__typeof__(expected)>()) { \
XCTAssertEqual(actual.get<__typeof__(expected)>(), expected, __VA_ARGS__); \
}
@interface MGLPredicateTests : XCTestCase
@end
@implementation MGLPredicateTests
- (void)testFilterization {
{
auto actual = [NSPredicate predicateWithValue:YES].mgl_filter;
mbgl::style::AllFilter expected;
MGLAssertEqualFilters(actual, expected);
}
{
auto actual = [NSPredicate predicateWithValue:NO].mgl_filter;
mbgl::style::AnyFilter expected;
MGLAssertEqualFilters(actual, expected);
}
{
auto actual = [NSPredicate predicateWithFormat:@"a = 'b'"].mgl_filter;
mbgl::style::EqualsFilter expected = { .key = "a", .value = std::string("b") };
MGLAssertEqualFilters(actual, expected);
}
{
auto actual = [NSPredicate predicateWithFormat:@"%K = 'Point'", @"$type"].mgl_filter;
mbgl::style::TypeEqualsFilter expected = { .value = mbgl::FeatureType::Point };
MGLAssertEqualFilters(actual, expected);
}
{
auto actual = [NSPredicate predicateWithFormat:@"%K = 67086180", @"$id"].mgl_filter;
mbgl::style::IdentifierEqualsFilter expected = { .value = UINT64_C(67086180) };
MGLAssertEqualFilters(actual, expected);
}
{
auto actual = [NSPredicate predicateWithFormat:@"%K = nil", @"$id"].mgl_filter;
mbgl::style::NotHasIdentifierFilter expected;
MGLAssertEqualFilters(actual, expected);
}
{
auto actual = [NSPredicate predicateWithFormat:@"a = nil"].mgl_filter;
mbgl::style::NotHasFilter expected = { .key = "a" };
MGLAssertEqualFilters(actual, expected);
}
{
auto actual = [NSPredicate predicateWithFormat:@"%K != 'Point'", @"$type"].mgl_filter;
mbgl::style::TypeNotEqualsFilter expected = { .value = mbgl::FeatureType::Point };
MGLAssertEqualFilters(actual, expected);
}
{
auto actual = [NSPredicate predicateWithFormat:@"%K != 67086180", @"$id"].mgl_filter;
mbgl::style::IdentifierNotEqualsFilter expected = { .value = UINT64_C(67086180) };
MGLAssertEqualFilters(actual, expected);
}
{
auto actual = [NSPredicate predicateWithFormat:@"%K != nil", @"$id"].mgl_filter;
mbgl::style::HasIdentifierFilter expected;
MGLAssertEqualFilters(actual, expected);
}
{
auto actual = [NSPredicate predicateWithFormat:@"a != 'b'"].mgl_filter;
mbgl::style::NotEqualsFilter expected = { .key = "a", .value = std::string("b") };
MGLAssertEqualFilters(actual, expected);
}
{
auto actual = [NSPredicate predicateWithFormat:@"a != nil"].mgl_filter;
mbgl::style::HasFilter expected = { .key = "a" };
MGLAssertEqualFilters(actual, expected);
}
{
auto actual = [NSPredicate predicateWithFormat:@"a < 'b'"].mgl_filter;
mbgl::style::LessThanFilter expected = { .key = "a", .value = std::string("b") };
MGLAssertEqualFilters(actual, expected);
}
{
auto actual = [NSPredicate predicateWithFormat:@"a <= 'b'"].mgl_filter;
mbgl::style::LessThanEqualsFilter expected = { .key = "a", .value = std::string("b") };
MGLAssertEqualFilters(actual, expected);
}
{
auto actual = [NSPredicate predicateWithFormat:@"a > 'b'"].mgl_filter;
mbgl::style::GreaterThanFilter expected = { .key = "a", .value = std::string("b") };
MGLAssertEqualFilters(actual, expected);
}
{
auto actual = [NSPredicate predicateWithFormat:@"a >= 'b'"].mgl_filter;
mbgl::style::GreaterThanEqualsFilter expected = { .key = "a", .value = std::string("b") };
MGLAssertEqualFilters(actual, expected);
}
{
auto actual = [NSPredicate predicateWithFormat:@"a BETWEEN {'b', 'z'}"].mgl_filter;
mbgl::style::AllFilter expected = {
.filters = {
mbgl::style::GreaterThanEqualsFilter { .key = "a", .value = std::string("b") },
mbgl::style::LessThanEqualsFilter { .key = "a", .value = std::string("z") },
},
};
MGLAssertEqualFilters(actual, expected);
}
{
auto actual = [NSPredicate predicateWithFormat:@"a BETWEEN %@", @[@"b", @"z"]].mgl_filter;
mbgl::style::AllFilter expected = {
.filters = {
mbgl::style::GreaterThanEqualsFilter { .key = "a", .value = std::string("b") },
mbgl::style::LessThanEqualsFilter { .key = "a", .value = std::string("z") },
},
};
MGLAssertEqualFilters(actual, expected);
}
{
auto actual = [NSPredicate predicateWithFormat:@"a IN {'b', 'c'}"].mgl_filter;
mbgl::style::InFilter expected = { .key = "a", .values = { std::string("b"), std::string("c") } };
MGLAssertEqualFilters(actual, expected);
}
{
auto actual = [NSPredicate predicateWithFormat:@"a IN %@", @[@"b", @"c"]].mgl_filter;
mbgl::style::InFilter expected = { .key = "a", .values = { std::string("b"), std::string("c") } };
MGLAssertEqualFilters(actual, expected);
}
{
auto actual = [NSPredicate predicateWithFormat:@"%K IN {'LineString', 'Polygon'}", @"$type"].mgl_filter;
mbgl::style::TypeInFilter expected = { .values = { mbgl::FeatureType::LineString, mbgl::FeatureType::Polygon } };
MGLAssertEqualFilters(actual, expected);
}
{
auto actual = [NSPredicate predicateWithFormat:@"%K IN %@", @"$type", @[@"LineString", @"Polygon"]].mgl_filter;
mbgl::style::TypeInFilter expected = { .values = { mbgl::FeatureType::LineString, mbgl::FeatureType::Polygon } };
MGLAssertEqualFilters(actual, expected);
}
{
auto actual = [NSPredicate predicateWithFormat:@"%K IN {67086180, 3709678893, 3352016856, 4189833989}", @"$id"].mgl_filter;
mbgl::style::IdentifierInFilter expected = { .values = { UINT64_C(67086180), UINT64_C(3709678893), UINT64_C(3352016856), UINT64_C(4189833989) } };
MGLAssertEqualFilters(actual, expected);
}
{
auto actual = [NSPredicate predicateWithFormat:@"%K IN %@", @"$id", @[@67086180, @3709678893, @3352016856, @4189833989]].mgl_filter;
mbgl::style::IdentifierInFilter expected = { .values = { UINT64_C(67086180), UINT64_C(3709678893), UINT64_C(3352016856), UINT64_C(4189833989) } };
MGLAssertEqualFilters(actual, expected);
}
XCTAssertThrowsSpecificNamed([NSPredicate predicateWithFormat:@"'Mapbox' IN a"].mgl_filter, NSException, NSInvalidArgumentException);
{
auto actual = [NSPredicate predicateWithFormat:@"{'b', 'c'} CONTAINS a"].mgl_filter;
mbgl::style::InFilter expected = { .key = "a", .values = { std::string("b"), std::string("c") } };
MGLAssertEqualFilters(actual, expected);
}
{
auto actual = [NSPredicate predicateWithFormat:@"%@ CONTAINS a", @[@"b", @"c"]].mgl_filter;
mbgl::style::InFilter expected = { .key = "a", .values = { std::string("b"), std::string("c") } };
MGLAssertEqualFilters(actual, expected);
}
{
auto actual = [NSPredicate predicateWithFormat:@"%@ CONTAINS %K", @[@"LineString", @"Polygon"], @"$type"].mgl_filter;
mbgl::style::TypeInFilter expected = { .values = { mbgl::FeatureType::LineString, mbgl::FeatureType::Polygon } };
MGLAssertEqualFilters(actual, expected);
}
{
auto actual = [NSPredicate predicateWithFormat:@"{67086180, 3709678893, 3352016856, 4189833989} CONTAINS %K", @"$id"].mgl_filter;
mbgl::style::IdentifierInFilter expected = { .values = { UINT64_C(67086180), UINT64_C(3709678893), UINT64_C(3352016856), UINT64_C(4189833989) } };
MGLAssertEqualFilters(actual, expected);
}
{
auto actual = [NSPredicate predicateWithFormat:@"%@ CONTAINS %K", @[@67086180, @3709678893, @3352016856, @4189833989], @"$id"].mgl_filter;
mbgl::style::IdentifierInFilter expected = { .values = { UINT64_C(67086180), UINT64_C(3709678893), UINT64_C(3352016856), UINT64_C(4189833989) } };
MGLAssertEqualFilters(actual, expected);
}
XCTAssertThrowsSpecificNamed([NSPredicate predicateWithFormat:@"a CONTAINS 'Mapbox'"].mgl_filter, NSException, NSInvalidArgumentException);
{
auto actual = [NSPredicate predicateWithFormat:@"a == 'b' AND c == 'd'"].mgl_filter;
mbgl::style::AllFilter expected = {
.filters = {
mbgl::style::EqualsFilter { .key = "a", .value = std::string("b") },
mbgl::style::EqualsFilter { .key = "c", .value = std::string("d") },
},
};
MGLAssertEqualFilters(actual, expected);
}
{
auto actual = [NSPredicate predicateWithFormat:@"a == 'b' OR c == 'd'"].mgl_filter;
mbgl::style::AnyFilter expected = {
.filters = {
mbgl::style::EqualsFilter { .key = "a", .value = std::string("b") },
mbgl::style::EqualsFilter { .key = "c", .value = std::string("d") },
},
};
MGLAssertEqualFilters(actual, expected);
}
{
auto actual = [NSPredicate predicateWithFormat:@"NOT(a == 'b' AND c == 'd')"].mgl_filter;
mbgl::style::NoneFilter expected = {
.filters = {
mbgl::style::AllFilter {
.filters = {
mbgl::style::EqualsFilter { .key = "a", .value = std::string("b") },
mbgl::style::EqualsFilter { .key = "c", .value = std::string("d") },
},
},
},
};
MGLAssertEqualFilters(actual, expected);
}
{
auto actual = [NSPredicate predicateWithFormat:@"NOT(a == 'b' OR c == 'd')"].mgl_filter;
mbgl::style::NoneFilter expected = {
.filters = {
mbgl::style::EqualsFilter { .key = "a", .value = std::string("b") },
mbgl::style::EqualsFilter { .key = "c", .value = std::string("d") },
},
};
MGLAssertEqualFilters(actual, expected);
}
{
auto actual = [NSPredicate predicateWithFormat:@"NOT a == nil"].mgl_filter;
mbgl::style::HasFilter expected = { .key = "a" };
MGLAssertEqualFilters(actual, expected);
}
{
auto actual = [NSPredicate predicateWithFormat:@"NOT a != nil"].mgl_filter;
mbgl::style::NotHasFilter expected = { .key = "a" };
MGLAssertEqualFilters(actual, expected);
}
{
auto actual = [NSPredicate predicateWithFormat:@"NOT a IN {'b', 'c'}"].mgl_filter;
mbgl::style::NotInFilter expected = { .key = "a", .values = { std::string("b"), std::string("c") } };
MGLAssertEqualFilters(actual, expected);
}
{
auto actual = [NSPredicate predicateWithFormat:@"NOT a IN %@", @[@"b", @"c"]].mgl_filter;
mbgl::style::NotInFilter expected = { .key = "a", .values = { std::string("b"), std::string("c") } };
MGLAssertEqualFilters(actual, expected);
}
{
auto actual = [NSPredicate predicateWithFormat:@"NOT {'b', 'c'} CONTAINS a"].mgl_filter;
mbgl::style::NotInFilter expected = { .key = "a", .values = { std::string("b"), std::string("c") } };
MGLAssertEqualFilters(actual, expected);
}
{
auto actual = [NSPredicate predicateWithFormat:@"NOT %@ CONTAINS a", @[@"b", @"c"]].mgl_filter;
mbgl::style::NotInFilter expected = { .key = "a", .values = { std::string("b"), std::string("c") } };
MGLAssertEqualFilters(actual, expected);
}
XCTAssertThrowsSpecificNamed([NSPredicate predicateWithFormat:@"a BEGINSWITH 'L'"].mgl_filter, NSException, NSInvalidArgumentException);
XCTAssertThrowsSpecificNamed([NSPredicate predicateWithFormat:@"a ENDSWITH 'itude'"].mgl_filter, NSException, NSInvalidArgumentException);
XCTAssertThrowsSpecificNamed([NSPredicate predicateWithFormat:@"a LIKE 'glob?trotter'"].mgl_filter, NSException, NSInvalidArgumentException);
XCTAssertThrowsSpecificNamed([NSPredicate predicateWithFormat:@"a MATCHES 'i\\w{18}n'"].mgl_filter, NSException, NSInvalidArgumentException);
NSPredicate *selectorPredicate = [NSPredicate predicateWithFormat:@"(SELF isKindOfClass: %@)", [MGLPolyline class]];
XCTAssertThrowsSpecificNamed(selectorPredicate.mgl_filter, NSException, NSInvalidArgumentException);
XCTAssertThrowsSpecificNamed([NSPredicate predicateWithBlock:^BOOL(id _Nullable evaluatedObject, NSDictionary<NSString *, id> * _Nullable bindings) {
XCTAssertTrue(NO, @"Predicate block should not be evaluated.");
return NO;
}].mgl_filter, NSException, NSInvalidArgumentException);
}
- (void)testPredication {
XCTAssertNil([NSPredicate mgl_predicateWithFilter:mbgl::style::NullFilter()]);
{
mbgl::style::EqualsFilter filter = { .key = "a", .value = std::string("b") };
XCTAssertEqualObjects([NSPredicate mgl_predicateWithFilter:filter], [NSPredicate predicateWithFormat:@"a = 'b'"]);
}
{
mbgl::style::TypeEqualsFilter filter = { .value = mbgl::FeatureType::Point };
NSPredicate *expected = [NSPredicate predicateWithFormat:@"%K = 'Point'", @"$type"];
XCTAssertEqualObjects([NSPredicate mgl_predicateWithFilter:filter], expected);
}
{
mbgl::style::TypeEqualsFilter filter = { .value = mbgl::FeatureType::LineString };
NSPredicate *expected = [NSPredicate predicateWithFormat:@"%K = 'LineString'", @"$type"];
XCTAssertEqualObjects([NSPredicate mgl_predicateWithFilter:filter], expected);
}
{
mbgl::style::TypeEqualsFilter filter = { .value = mbgl::FeatureType::Polygon };
NSPredicate *expected = [NSPredicate predicateWithFormat:@"%K = 'Polygon'", @"$type"];
XCTAssertEqualObjects([NSPredicate mgl_predicateWithFilter:filter], expected);
}
{
mbgl::style::IdentifierEqualsFilter filter = { .value = UINT64_C(67086180) };
NSPredicate *expected = [NSPredicate predicateWithFormat:@"%K = 67086180", @"$id"];
XCTAssertEqualObjects([NSPredicate mgl_predicateWithFilter:filter], expected);
}
{
mbgl::style::NotHasIdentifierFilter filter;
NSPredicate *expected = [NSPredicate predicateWithFormat:@"%K = nil", @"$id"];
XCTAssertEqualObjects([NSPredicate mgl_predicateWithFilter:filter], expected);
}
{
mbgl::style::TypeEqualsFilter filter = { .value = mbgl::FeatureType::Unknown };
XCTAssertThrowsSpecificNamed([NSPredicate mgl_predicateWithFilter:filter], NSException, NSInternalInconsistencyException);
}
{
mbgl::style::NotHasFilter filter = { .key = "a" };
XCTAssertEqualObjects([NSPredicate mgl_predicateWithFilter:filter], [NSPredicate predicateWithFormat:@"a = nil"]);
}
{
mbgl::style::NotEqualsFilter filter = { .key = "a", .value = std::string("b") };
XCTAssertEqualObjects([NSPredicate mgl_predicateWithFilter:filter], [NSPredicate predicateWithFormat:@"a != 'b'"]);
}
{
mbgl::style::TypeNotEqualsFilter filter = { .value = mbgl::FeatureType::Point };
NSPredicate *expected = [NSPredicate predicateWithFormat:@"%K != 'Point'", @"$type"];
XCTAssertEqualObjects([NSPredicate mgl_predicateWithFilter:filter], expected);
}
{
mbgl::style::IdentifierNotEqualsFilter filter = { .value = UINT64_C(67086180) };
NSPredicate *expected = [NSPredicate predicateWithFormat:@"%K != 67086180", @"$id"];
XCTAssertEqualObjects([NSPredicate mgl_predicateWithFilter:filter], expected);
}
{
mbgl::style::HasIdentifierFilter filter;
NSPredicate *expected = [NSPredicate predicateWithFormat:@"%K != nil", @"$id"];
XCTAssertEqualObjects([NSPredicate mgl_predicateWithFilter:filter], expected);
}
{
mbgl::style::HasFilter filter = { .key = "a" };
XCTAssertEqualObjects([NSPredicate mgl_predicateWithFilter:filter], [NSPredicate predicateWithFormat:@"a != nil"]);
}
{
mbgl::style::LessThanFilter filter = { .key = "a", .value = std::string("b") };
XCTAssertEqualObjects([NSPredicate mgl_predicateWithFilter:filter], [NSPredicate predicateWithFormat:@"a < 'b'"]);
}
{
mbgl::style::LessThanEqualsFilter filter = { .key = "a", .value = std::string("b") };
XCTAssertEqualObjects([NSPredicate mgl_predicateWithFilter:filter], [NSPredicate predicateWithFormat:@"a <= 'b'"]);
}
{
mbgl::style::GreaterThanFilter filter = { .key = "a", .value = std::string("b") };
XCTAssertEqualObjects([NSPredicate mgl_predicateWithFilter:filter], [NSPredicate predicateWithFormat:@"a > 'b'"]);
}
{
mbgl::style::GreaterThanEqualsFilter filter = { .key = "a", .value = std::string("b") };
XCTAssertEqualObjects([NSPredicate mgl_predicateWithFilter:filter], [NSPredicate predicateWithFormat:@"a >= 'b'"]);
}
{
mbgl::style::AllFilter filter = {
.filters = {
mbgl::style::GreaterThanEqualsFilter { .key = "a", .value = std::string("b") },
mbgl::style::LessThanEqualsFilter { .key = "a", .value = std::string("z") },
},
};
XCTAssertEqualObjects([NSPredicate mgl_predicateWithFilter:filter], [NSPredicate predicateWithFormat:@"a BETWEEN {'b', 'z'}"]);
}
{
mbgl::style::AllFilter filter = {
.filters = {
mbgl::style::LessThanEqualsFilter { .key = "a", .value = std::string("z") },
mbgl::style::GreaterThanEqualsFilter { .key = "a", .value = std::string("b") },
},
};
XCTAssertEqualObjects([NSPredicate mgl_predicateWithFilter:filter], [NSPredicate predicateWithFormat:@"a BETWEEN {'b', 'z'}"]);
}
{
mbgl::style::InFilter filter = { .key = "a", .values = { std::string("b"), std::string("c") } };
XCTAssertEqualObjects([NSPredicate mgl_predicateWithFilter:filter].predicateFormat, [NSPredicate predicateWithFormat:@"a IN {'b', 'c'}"].predicateFormat);
}
{
mbgl::style::TypeInFilter filter = { .values = { mbgl::FeatureType::LineString, mbgl::FeatureType::Polygon } };
NSPredicate *expected = [NSPredicate predicateWithFormat:@"%K IN {'LineString', 'Polygon'}", @"$type"];
XCTAssertEqualObjects([NSPredicate mgl_predicateWithFilter:filter].predicateFormat, expected.predicateFormat);
}
{
mbgl::style::IdentifierInFilter filter = { .values = { UINT64_C(67086180), UINT64_C(3709678893), UINT64_C(3352016856), UINT64_C(4189833989) } };
NSPredicate *expected = [NSPredicate predicateWithFormat:@"%K IN {67086180, 3709678893, 3352016856, 4189833989}", @"$id"];
XCTAssertEqualObjects([NSPredicate mgl_predicateWithFilter:filter], expected);
}
{
mbgl::style::NotInFilter filter = { .key = "a", .values = { std::string("b"), std::string("c") } };
XCTAssertEqualObjects([NSPredicate mgl_predicateWithFilter:filter].predicateFormat, [NSPredicate predicateWithFormat:@"NOT a IN {'b', 'c'}"].predicateFormat);
}
{
mbgl::style::TypeNotInFilter filter = { .values = { mbgl::FeatureType::LineString, mbgl::FeatureType::Polygon } };
NSPredicate *expected = [NSPredicate predicateWithFormat:@"NOT %K IN {'LineString', 'Polygon'}", @"$type"];
XCTAssertEqualObjects([NSPredicate mgl_predicateWithFilter:filter].predicateFormat, expected.predicateFormat);
}
{
mbgl::style::IdentifierNotInFilter filter = { .values = { UINT64_C(67086180), UINT64_C(3709678893), UINT64_C(3352016856), UINT64_C(4189833989) } };
NSPredicate *expected = [NSPredicate predicateWithFormat:@"NOT %K IN {67086180, 3709678893, 3352016856, 4189833989}", @"$id"];
XCTAssertEqualObjects([NSPredicate mgl_predicateWithFilter:filter], expected);
}
{
mbgl::style::AllFilter filter;
XCTAssertEqualObjects([NSPredicate mgl_predicateWithFilter:filter], [NSPredicate predicateWithValue:YES]);
}
{
mbgl::style::AllFilter filter = {
.filters = {
mbgl::style::EqualsFilter { .key = "a", .value = std::string("b") },
mbgl::style::EqualsFilter { .key = "c", .value = std::string("d") },
},
};
XCTAssertEqualObjects([NSPredicate mgl_predicateWithFilter:filter], [NSPredicate predicateWithFormat:@"a == 'b' AND c == 'd'"]);
}
{
mbgl::style::AnyFilter filter;
XCTAssertEqualObjects([NSPredicate mgl_predicateWithFilter:filter], [NSPredicate predicateWithValue:NO]);
}
{
mbgl::style::AnyFilter filter = {
.filters = {
mbgl::style::EqualsFilter { .key = "a", .value = std::string("b") },
mbgl::style::EqualsFilter { .key = "c", .value = std::string("d") },
},
};
XCTAssertEqualObjects([NSPredicate mgl_predicateWithFilter:filter], [NSPredicate predicateWithFormat:@"a == 'b' OR c == 'd'"]);
}
{
mbgl::style::NoneFilter filter;
XCTAssertEqualObjects([NSPredicate mgl_predicateWithFilter:filter], [NSPredicate predicateWithValue:YES]);
}
{
mbgl::style::NoneFilter filter = {
.filters = {
mbgl::style::EqualsFilter { .key = "a", .value = std::string("b") },
mbgl::style::EqualsFilter { .key = "c", .value = std::string("d") },
},
};
XCTAssertEqualObjects([NSPredicate mgl_predicateWithFilter:filter], [NSPredicate predicateWithFormat:@"NOT(a == 'b' OR c == 'd')"]);
}
}
- (void)testSymmetry {
[self testSymmetryWithFormat:@"a = 1" reverseFormat:@"1 = a" mustRoundTrip:YES];
[self testSymmetryWithFormat:@"a != 1" reverseFormat:@"1 != a" mustRoundTrip:YES];
XCTAssertThrowsSpecificNamed([NSPredicate predicateWithFormat:@"a = b"].mgl_filter, NSException, NSInvalidArgumentException);
XCTAssertThrowsSpecificNamed([NSPredicate predicateWithFormat:@"1 = 1"].mgl_filter, NSException, NSInvalidArgumentException);
// In the predicate format language, $ is a special character denoting a
// variable. Use %K to escape the special feature attribute $id.
XCTAssertThrowsSpecificNamed([NSPredicate predicateWithFormat:@"$id == 670861802"].mgl_filter, NSException, NSInvalidArgumentException);
XCTAssertThrowsSpecificNamed([NSPredicate predicateWithFormat:@"a = $id"].mgl_filter, NSException, NSInvalidArgumentException);
[self testSymmetryWithFormat:@"a = nil" reverseFormat:@"nil = a" mustRoundTrip:YES];
[self testSymmetryWithFormat:@"a != nil" reverseFormat:@"nil != a" mustRoundTrip:YES];
[self testSymmetryWithFormat:@"a < 1" reverseFormat:@"1 > a" mustRoundTrip:YES];
[self testSymmetryWithFormat:@"a <= 1" reverseFormat:@"1 >= a" mustRoundTrip:YES];
[self testSymmetryWithFormat:@"a > 1" reverseFormat:@"1 < a" mustRoundTrip:YES];
[self testSymmetryWithFormat:@"a >= 1" reverseFormat:@"1 <= a" mustRoundTrip:YES];
[self testSymmetryWithFormat:@"a BETWEEN {1, 2}" reverseFormat:@"1 <= a && 2 >= a" mustRoundTrip:YES];
[self testSymmetryWithPredicate:[NSPredicate predicateWithFormat:@"a BETWEEN %@", @[@1, @2]]
reversePredicate:[NSPredicate predicateWithFormat:@"1 <= a && 2 >= a"]
mustRoundTrip:YES];
XCTAssertThrowsSpecificNamed([NSPredicate predicateWithFormat:@"{1, 2} BETWEEN a"].mgl_filter, NSException, NSInvalidArgumentException);
NSPredicate *betweenSetPredicate = [NSPredicate predicateWithFormat:@"a BETWEEN %@", [NSSet setWithObjects:@1, @2, nil]];
XCTAssertThrowsSpecificNamed(betweenSetPredicate.mgl_filter, NSException, NSInvalidArgumentException);
XCTAssertThrowsSpecificNamed([NSPredicate predicateWithFormat:@"a BETWEEN {1}"].mgl_filter, NSException, NSInvalidArgumentException);
XCTAssertThrowsSpecificNamed([NSPredicate predicateWithFormat:@"a BETWEEN {1, 2, 3}"].mgl_filter, NSException, NSInvalidArgumentException);
[self testSymmetryWithFormat:@"a IN {1, 2}" reverseFormat:@"{1, 2} CONTAINS a" mustRoundTrip:NO];
[self testSymmetryWithPredicate:[NSPredicate predicateWithFormat:@"a IN %@", @[@1, @2]]
reversePredicate:[NSPredicate predicateWithFormat:@"%@ CONTAINS a", @[@1, @2]]
mustRoundTrip:YES];
// The reverse formats here are a bit backwards because we canonicalize
// a reverse CONTAINS to a forward IN.
[self testSymmetryWithFormat:@"{1, 2} CONTAINS a" reverseFormat:@"{1, 2} CONTAINS a" mustRoundTrip:NO];
[self testSymmetryWithPredicate:[NSPredicate predicateWithFormat:@"%@ CONTAINS a", @[@1, @2]]
reversePredicate:[NSPredicate predicateWithFormat:@"%@ CONTAINS a", @[@1, @2]]
mustRoundTrip:NO];
}
- (void)testSymmetryWithFormat:(NSString *)forwardFormat reverseFormat:(NSString *)reverseFormat mustRoundTrip:(BOOL)mustRoundTrip {
NSPredicate *forwardPredicate = [NSPredicate predicateWithFormat:forwardFormat];
NSPredicate *reversePredicate = reverseFormat ? [NSPredicate predicateWithFormat:reverseFormat] : nil;
[self testSymmetryWithPredicate:forwardPredicate reversePredicate:reversePredicate mustRoundTrip:mustRoundTrip];
}
- (void)testSymmetryWithPredicate:(NSPredicate *)forwardPredicate reversePredicate:(NSPredicate *)reversePredicate mustRoundTrip:(BOOL)mustRoundTrip {
auto forwardFilter = forwardPredicate.mgl_filter;
NSPredicate *forwardPredicateAfter = [NSPredicate mgl_predicateWithFilter:forwardFilter];
if (mustRoundTrip) {
// A collection of ints may turn into an aggregate of longs, for
// example, so compare formats instead of the predicates themselves.
XCTAssertEqualObjects(forwardPredicate.predicateFormat, forwardPredicateAfter.predicateFormat);
}
if (reversePredicate) {
auto reverseFilter = reversePredicate.mgl_filter;
NSPredicate *reversePredicateAfter = [NSPredicate mgl_predicateWithFilter:reverseFilter];
XCTAssertNotEqualObjects(reversePredicate, reversePredicateAfter);
XCTAssertEqualObjects(forwardPredicateAfter, reversePredicateAfter);
}
}
- (void)testComparisonExpressionArray {
{
NSArray *expected = @[@"==", @1, @2];
XCTAssertEqualObjects([NSPredicate predicateWithFormat:@"1 = 2"].mgl_jsonExpressionObject, expected);
}
}
@end
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