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/*
* Copyright 2017 Google
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#import <Foundation/Foundation.h>
#import <XCTest/XCTest.h>
#import "FSnapshotUtilities.h"
#import "FEmptyNode.h"
#import "FChildrenNode.h"
#import "FLeafNode.h"
@interface FNodeTests : XCTestCase
@end
@implementation FNodeTests
- (void) testLeafNodeEqualsHashCode {
id<FNode> falseNode = [FSnapshotUtilities nodeFrom:@NO];
id<FNode> trueNode = [FSnapshotUtilities nodeFrom:@YES];
id<FNode> stringOneNode = [FSnapshotUtilities nodeFrom:@"one"];
id<FNode> stringTwoNode = [FSnapshotUtilities nodeFrom:@"two"];
id<FNode> zeroNode = [FSnapshotUtilities nodeFrom:@0];
id<FNode> oneNode = [FSnapshotUtilities nodeFrom:@1];
id<FNode> emptyNode1 = [FSnapshotUtilities nodeFrom:nil];
id<FNode> emptyNode2 = [FSnapshotUtilities nodeFrom:[NSNull null]];
XCTAssertEqualObjects(falseNode, [FSnapshotUtilities nodeFrom:@NO]);
XCTAssertEqual(falseNode.hash, [FSnapshotUtilities nodeFrom:@NO].hash);
XCTAssertEqualObjects(trueNode, [FSnapshotUtilities nodeFrom:@YES]);
XCTAssertEqual(trueNode.hash, [FSnapshotUtilities nodeFrom:@YES].hash);
XCTAssertFalse([falseNode isEqual:trueNode]);
XCTAssertFalse([falseNode isEqual:oneNode]);
XCTAssertFalse([falseNode isEqual:stringOneNode]);
XCTAssertFalse([falseNode isEqual:emptyNode1]);
XCTAssertEqualObjects(stringOneNode, [FSnapshotUtilities nodeFrom:@"one"]);
XCTAssertEqual(stringOneNode.hash, [FSnapshotUtilities nodeFrom:@"one"].hash);
XCTAssertFalse([stringOneNode isEqual:stringTwoNode]);
XCTAssertFalse([stringOneNode isEqual:emptyNode1]);
XCTAssertFalse([stringOneNode isEqual:oneNode]);
XCTAssertFalse([stringOneNode isEqual:trueNode]);
XCTAssertEqualObjects(zeroNode, [FSnapshotUtilities nodeFrom:@0]);
XCTAssertEqual(zeroNode.hash, [FSnapshotUtilities nodeFrom:@0].hash);
XCTAssertFalse([zeroNode isEqual:oneNode]);
XCTAssertFalse([zeroNode isEqual:emptyNode1]);
XCTAssertFalse([zeroNode isEqual:falseNode]);
XCTAssertEqualObjects(emptyNode1, emptyNode2);
XCTAssertEqual(emptyNode1.hash, emptyNode2.hash);
}
- (void) testLeafNodePrioritiesEqualsHashCode {
id<FNode> oneOne = [FSnapshotUtilities nodeFrom:@1 priority:@1];
id<FNode> stringOne = [FSnapshotUtilities nodeFrom:@"value" priority:@1];
id<FNode> oneString = [FSnapshotUtilities nodeFrom:@1 priority:@"value"];
id<FNode> stringString = [FSnapshotUtilities nodeFrom:@"value" priority:@"value"];
XCTAssertEqualObjects(oneOne, [FSnapshotUtilities nodeFrom:@1 priority:@1]);
XCTAssertEqual(oneOne.hash, [FSnapshotUtilities nodeFrom:@1 priority:@1].hash);
XCTAssertFalse([oneOne isEqual:stringOne]);
XCTAssertFalse([oneOne isEqual:oneString]);
XCTAssertFalse([oneOne isEqual:stringString]);
XCTAssertEqualObjects(stringOne, [FSnapshotUtilities nodeFrom:@"value" priority:@1]);
XCTAssertEqual(stringOne.hash, [FSnapshotUtilities nodeFrom:@"value" priority:@1].hash);
XCTAssertFalse([stringOne isEqual:oneOne]);
XCTAssertFalse([stringOne isEqual:oneString]);
XCTAssertFalse([stringOne isEqual:stringString]);
XCTAssertEqualObjects(oneString, [FSnapshotUtilities nodeFrom:@1 priority:@"value"]);
XCTAssertEqual(oneString.hash, [FSnapshotUtilities nodeFrom:@1 priority:@"value"].hash);
XCTAssertFalse([oneString isEqual:stringOne]);
XCTAssertFalse([oneString isEqual:oneOne]);
XCTAssertFalse([oneString isEqual:stringString]);
XCTAssertEqualObjects(stringString, [FSnapshotUtilities nodeFrom:@"value" priority:@"value"]);
XCTAssertEqual(stringString.hash, [FSnapshotUtilities nodeFrom:@"value" priority:@"value"].hash);
XCTAssertFalse([stringString isEqual:stringOne]);
XCTAssertFalse([stringString isEqual:oneString]);
XCTAssertFalse([stringString isEqual:oneOne]);
}
- (void)testChildrenNodeEqualsHashCode {
id<FNode> nodeOne = [FSnapshotUtilities nodeFrom:@{ @"one": @1, @"two": @2, @".priority": @"prio"}];
id<FNode> nodeTwo = [[FEmptyNode emptyNode] updateImmediateChild:@"one" withNewChild:[FSnapshotUtilities nodeFrom:@1]];
nodeTwo = [nodeTwo updateImmediateChild:@"two" withNewChild:[FSnapshotUtilities nodeFrom:@2]];
nodeTwo = [nodeTwo updatePriority:[FSnapshotUtilities nodeFrom:@"prio"]];
XCTAssertEqualObjects(nodeOne, nodeTwo);
XCTAssertEqual(nodeOne.hash, nodeTwo.hash);
XCTAssertFalse([[nodeOne updatePriority:[FEmptyNode emptyNode]] isEqual:nodeOne]);
XCTAssertFalse([[nodeOne updateImmediateChild:@"one" withNewChild:[FEmptyNode emptyNode]] isEqual:nodeOne]);
XCTAssertFalse([[nodeOne updateImmediateChild:@"one" withNewChild:[FSnapshotUtilities nodeFrom:@2]] isEqual:nodeOne]);
}
- (void)testLeadingZerosWorkCorrectly {
NSDictionary *data = @{ @"1": @1, @"01": @2, @"001": @3, @"0001": @4 };
id<FNode> node = [FSnapshotUtilities nodeFrom:data];
XCTAssertEqualObjects([node getImmediateChild:@"1"].val, @1);
XCTAssertEqualObjects([node getImmediateChild:@"01"].val, @2);
XCTAssertEqualObjects([node getImmediateChild:@"001"].val, @3);
XCTAssertEqualObjects([node getImmediateChild:@"0001"].val, @4);
}
- (void)testLeadindZerosArePreservedInValue {
NSDictionary *data = @{ @"1": @1, @"01": @2, @"001": @3, @"0001": @4 };
XCTAssertEqualObjects([FSnapshotUtilities nodeFrom:data].val, data);
}
- (void)testEmptyNodeEqualsEmptyChildrenNode {
XCTAssertEqualObjects([FEmptyNode emptyNode], [[FChildrenNode alloc] init]);
XCTAssertEqualObjects([[FChildrenNode alloc] init], [FEmptyNode emptyNode]);
XCTAssertEqual([[FChildrenNode alloc] init].hash, [FEmptyNode emptyNode].hash);
}
- (void)testUpdatingEmptyChildrenDoesntOverwriteLeafNode {
FLeafNode *node = [[FLeafNode alloc] initWithValue:@"value"];
XCTAssertEqualObjects(node, [node updateChild:[FPath pathWithString:@".priority"] withNewChild:[FEmptyNode emptyNode]]);
XCTAssertEqualObjects(node, [node updateChild:[FPath pathWithString:@"child"] withNewChild:[FEmptyNode emptyNode]]);
XCTAssertEqualObjects(node, [node updateChild:[FPath pathWithString:@"child/.priority"] withNewChild:[FEmptyNode emptyNode]]);
XCTAssertEqualObjects(node, [node updateImmediateChild:@"child" withNewChild:[FEmptyNode emptyNode]]);
XCTAssertEqualObjects(node, [node updateImmediateChild:@".priority" withNewChild:[FEmptyNode emptyNode]]);
}
- (void)testUpdatingPrioritiesOnEmptyNodesIsANoOp {
id<FNode> priority = [FSnapshotUtilities nodeFrom:@"prio"];
XCTAssertTrue([[[[FEmptyNode emptyNode] updatePriority:priority] getPriority] isEmpty]);
XCTAssertTrue([[[[FEmptyNode emptyNode] updateChild:[FPath pathWithString:@".priority"] withNewChild:priority] getPriority] isEmpty]);
XCTAssertTrue([[[[FEmptyNode emptyNode] updateImmediateChild:@".priority" withNewChild:priority] getPriority] isEmpty]);
id<FNode> valueNode = [FSnapshotUtilities nodeFrom:@"value"];
FPath *childPath = [FPath pathWithString:@"child"];
id<FNode> reemptiedChildren = [[[FEmptyNode emptyNode] updateChild:childPath withNewChild:valueNode] updateChild:childPath withNewChild:[FEmptyNode emptyNode]];
XCTAssertTrue([[[reemptiedChildren updatePriority:priority] getPriority] isEmpty]);
XCTAssertTrue([[[reemptiedChildren updateChild:[FPath pathWithString:@".priority"] withNewChild:priority] getPriority] isEmpty]);
XCTAssertTrue([[[reemptiedChildren updateImmediateChild:@".priority" withNewChild:priority] getPriority] isEmpty]);
}
- (void)testDeletingLastChildFromChildrenNodeRemovesPriority {
id<FNode> priority = [FSnapshotUtilities nodeFrom:@"prio"];
id<FNode> valueNode = [FSnapshotUtilities nodeFrom:@"value"];
FPath *childPath = [FPath pathWithString:@"child"];
id<FNode> withPriority = [[[FEmptyNode emptyNode] updateChild:childPath withNewChild:valueNode] updatePriority:priority];
XCTAssertEqualObjects(priority, [withPriority getPriority]);
id<FNode> deletedChild = [withPriority updateChild:childPath withNewChild:[FEmptyNode emptyNode]];
XCTAssertTrue([[deletedChild getPriority] isEmpty]);
}
- (void)testFromNodeReturnsEmptyNodesWithoutPriority {
id<FNode> empty1 = [FSnapshotUtilities nodeFrom:@{ @".priority": @"prio" }];
XCTAssertTrue([[empty1 getPriority] isEmpty]);
id<FNode> empty2 = [FSnapshotUtilities nodeFrom:@{ @"dummy": [NSNull null], @".priority": @"prio" }];
XCTAssertTrue([[empty2 getPriority] isEmpty]);
}
@end
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