mirror of
https://github.com/firebase/firebase-ios-sdk
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103 lines
4.4 KiB
Objective-C
103 lines
4.4 KiB
Objective-C
/*
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* Copyright 2017 Google
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#import <Foundation/Foundation.h>
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#import <XCTest/XCTest.h>
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#import "FirebaseDatabase/Sources/Core/Utilities/FPath.h"
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#import "FirebaseDatabase/Sources/Persistence/FPruneForest.h"
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@interface FPruneForestTest : XCTestCase
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@end
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@implementation FPruneForestTest
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- (void)testEmptyDoesNotAffectAnyPaths {
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FPruneForest *forest = [FPruneForest empty];
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XCTAssertFalse([forest affectsPath:[FPath empty]]);
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XCTAssertFalse([forest affectsPath:[FPath pathWithString:@"foo"]]);
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}
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- (void)testPruneAffectsPath {
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FPruneForest *forest = [FPruneForest empty];
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forest = [forest prunePath:[FPath pathWithString:@"foo/bar"]];
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forest = [forest keepPath:[FPath pathWithString:@"foo/bar/baz"]];
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XCTAssertTrue([forest affectsPath:[FPath pathWithString:@"foo"]]);
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XCTAssertFalse([forest affectsPath:[FPath pathWithString:@"baz"]]);
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XCTAssertFalse([forest affectsPath:[FPath pathWithString:@"baz/bar"]]);
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XCTAssertTrue([forest affectsPath:[FPath pathWithString:@"foo/bar"]]);
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XCTAssertTrue([forest affectsPath:[FPath pathWithString:@"foo/bar/baz"]]);
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XCTAssertTrue([forest affectsPath:[FPath pathWithString:@"foo/bar/qux"]]);
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}
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- (void)testPruneAnythingWorks {
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FPruneForest *empty = [FPruneForest empty];
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XCTAssertFalse([empty prunesAnything]);
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XCTAssertTrue([[empty prunePath:[FPath pathWithString:@"foo"]] prunesAnything]);
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XCTAssertFalse([[[empty prunePath:[FPath pathWithString:@"foo/bar"]]
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keepPath:[FPath pathWithString:@"foo"]] prunesAnything]);
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XCTAssertTrue([[[empty prunePath:[FPath pathWithString:@"foo"]]
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keepPath:[FPath pathWithString:@"foo/bar"]] prunesAnything]);
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}
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- (void)testKeepUnderPruneWorks {
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FPruneForest *forest = [FPruneForest empty];
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forest = [forest prunePath:[FPath pathWithString:@"foo/bar"]];
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forest = [forest keepPath:[FPath pathWithString:@"foo/bar/baz"]];
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[forest keepAll:[NSSet setWithArray:@[ @"qux", @"quu" ]]
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atPath:[FPath pathWithString:@"foo/bar"]];
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}
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- (void)testPruneUnderKeepThrows {
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FPruneForest *forest = [FPruneForest empty];
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forest = [forest prunePath:[FPath pathWithString:@"foo"]];
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forest = [forest keepPath:[FPath pathWithString:@"foo/bar"]];
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XCTAssertThrows([forest prunePath:[FPath pathWithString:@"foo/bar/baz"]]);
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NSSet *children = [NSSet setWithArray:@[ @"qux", @"quu" ]];
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XCTAssertThrows([forest pruneAll:children atPath:[FPath pathWithString:@"foo/bar"]]);
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}
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- (void)testChildKeepsPruneInfo {
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FPruneForest *forest = [FPruneForest empty];
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forest = [forest keepPath:[FPath pathWithString:@"foo/bar"]];
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XCTAssertTrue([[forest child:@"foo"] affectsPath:[FPath pathWithString:@"bar"]]);
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XCTAssertTrue([[[forest child:@"foo"] child:@"bar"] affectsPath:[FPath pathWithString:@""]]);
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XCTAssertTrue(
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[[[[forest child:@"foo"] child:@"bar"] child:@"baz"] affectsPath:[FPath pathWithString:@""]]);
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forest = [[FPruneForest empty] prunePath:[FPath pathWithString:@"foo/bar"]];
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XCTAssertTrue([[forest child:@"foo"] affectsPath:[FPath pathWithString:@"bar"]]);
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XCTAssertTrue([[[forest child:@"foo"] child:@"bar"] affectsPath:[FPath pathWithString:@""]]);
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XCTAssertTrue(
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[[[[forest child:@"foo"] child:@"bar"] child:@"baz"] affectsPath:[FPath pathWithString:@""]]);
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XCTAssertFalse([[forest child:@"non-existent"] affectsPath:[FPath pathWithString:@""]]);
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}
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- (void)testShouldPruneWorks {
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FPruneForest *forest = [FPruneForest empty];
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forest = [forest prunePath:[FPath pathWithString:@"foo"]];
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forest = [forest keepPath:[FPath pathWithString:@"foo/bar/baz"]];
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XCTAssertTrue([forest shouldPruneUnkeptDescendantsAtPath:[FPath pathWithString:@"foo"]]);
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XCTAssertTrue([forest shouldPruneUnkeptDescendantsAtPath:[FPath pathWithString:@"foo/bar"]]);
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XCTAssertFalse([forest shouldPruneUnkeptDescendantsAtPath:[FPath pathWithString:@"foo/bar/baz"]]);
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XCTAssertFalse([forest shouldPruneUnkeptDescendantsAtPath:[FPath pathWithString:@"qux"]]);
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}
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@end
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