Files
firebase-ios-sdk/Firestore/Example/Tests/Local/FSTQueryCacheTests.mm
T
Gil 729b8d176c Move all Firestore Objective-C to Objective-C++ (#734)
* Move all Firestore files to Objective-C++
* Update project file references
* Don't use module imports from Objective-C++
* Use extern "C" for C-accessible globals
* Work around more stringent type checking in Objective-C++
  * NSMutableDictionary ivars aren't implicitly casted to NSDictionary
  * FSTMaybeDocument callback can't be passed a function that accepts
    FSTDocument
  * NSComparisonResult can't be multiplied by -1 without casting
* Add a #include <inttypes.h> where needed
* Avoid using C++ keywords as variables
* Remove #if __cplusplus guards
2018-01-31 11:23:55 -08:00

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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 "Firestore/Example/Tests/Local/FSTQueryCacheTests.h"
#import "Firestore/Source/Core/FSTQuery.h"
#import "Firestore/Source/Core/FSTSnapshotVersion.h"
#import "Firestore/Source/Local/FSTEagerGarbageCollector.h"
#import "Firestore/Source/Local/FSTPersistence.h"
#import "Firestore/Source/Local/FSTQueryData.h"
#import "Firestore/Source/Local/FSTWriteGroup.h"
#import "Firestore/Source/Model/FSTDocumentKey.h"
#import "Firestore/Example/Tests/Util/FSTHelpers.h"
#import "Firestore/third_party/Immutable/Tests/FSTImmutableSortedSet+Testing.h"
NS_ASSUME_NONNULL_BEGIN
@implementation FSTQueryCacheTests {
FSTQuery *_queryRooms;
FSTListenSequenceNumber _previousSequenceNumber;
FSTTargetID _previousTargetID;
FSTTestSnapshotVersion _previousSnapshotVersion;
}
- (void)setUp {
[super setUp];
_queryRooms = FSTTestQuery(@"rooms");
_previousSequenceNumber = 1000;
_previousTargetID = 500;
_previousSnapshotVersion = 100;
}
/**
* Xcode will run tests from any class that extends XCTestCase, but this doesn't work for
* FSTSpecTests since it is incomplete without the implementations supplied by its subclasses.
*/
- (BOOL)isTestBaseClass {
return [self class] == [FSTQueryCacheTests class];
}
- (void)testReadQueryNotInCache {
if ([self isTestBaseClass]) return;
XCTAssertNil([self.queryCache queryDataForQuery:_queryRooms]);
}
- (void)testSetAndReadAQuery {
if ([self isTestBaseClass]) return;
FSTQueryData *queryData = [self queryDataWithQuery:_queryRooms];
[self addQueryData:queryData];
FSTQueryData *result = [self.queryCache queryDataForQuery:_queryRooms];
XCTAssertEqualObjects(result.query, queryData.query);
XCTAssertEqual(result.targetID, queryData.targetID);
XCTAssertEqualObjects(result.resumeToken, queryData.resumeToken);
}
- (void)testCanonicalIDCollision {
if ([self isTestBaseClass]) return;
// Type information is currently lost in our canonicalID implementations so this currently an
// easy way to force colliding canonicalIDs
FSTQuery *q1 = [FSTTestQuery(@"a") queryByAddingFilter:FSTTestFilter(@"foo", @"==", @(1))];
FSTQuery *q2 = [FSTTestQuery(@"a") queryByAddingFilter:FSTTestFilter(@"foo", @"==", @"1")];
XCTAssertEqualObjects(q1.canonicalID, q2.canonicalID);
FSTQueryData *data1 = [self queryDataWithQuery:q1];
[self addQueryData:data1];
// Using the other query should not return the query cache entry despite equal canonicalIDs.
XCTAssertNil([self.queryCache queryDataForQuery:q2]);
XCTAssertEqualObjects([self.queryCache queryDataForQuery:q1], data1);
FSTQueryData *data2 = [self queryDataWithQuery:q2];
[self addQueryData:data2];
XCTAssertEqualObjects([self.queryCache queryDataForQuery:q1], data1);
XCTAssertEqualObjects([self.queryCache queryDataForQuery:q2], data2);
[self removeQueryData:data1];
XCTAssertNil([self.queryCache queryDataForQuery:q1]);
XCTAssertEqualObjects([self.queryCache queryDataForQuery:q2], data2);
[self removeQueryData:data2];
XCTAssertNil([self.queryCache queryDataForQuery:q1]);
XCTAssertNil([self.queryCache queryDataForQuery:q2]);
}
- (void)testSetQueryToNewValue {
if ([self isTestBaseClass]) return;
FSTQueryData *queryData1 =
[self queryDataWithQuery:_queryRooms targetID:1 listenSequenceNumber:10 version:1];
[self addQueryData:queryData1];
FSTQueryData *queryData2 =
[self queryDataWithQuery:_queryRooms targetID:1 listenSequenceNumber:10 version:2];
[self addQueryData:queryData2];
FSTQueryData *result = [self.queryCache queryDataForQuery:_queryRooms];
XCTAssertNotEqualObjects(queryData2.resumeToken, queryData1.resumeToken);
XCTAssertNotEqualObjects(queryData2.snapshotVersion, queryData1.snapshotVersion);
XCTAssertEqualObjects(result.resumeToken, queryData2.resumeToken);
XCTAssertEqualObjects(result.snapshotVersion, queryData2.snapshotVersion);
}
- (void)testRemoveQuery {
if ([self isTestBaseClass]) return;
FSTQueryData *queryData1 = [self queryDataWithQuery:_queryRooms];
[self addQueryData:queryData1];
[self removeQueryData:queryData1];
FSTQueryData *result = [self.queryCache queryDataForQuery:_queryRooms];
XCTAssertNil(result);
}
- (void)testRemoveNonExistentQuery {
if ([self isTestBaseClass]) return;
FSTQueryData *queryData = [self queryDataWithQuery:_queryRooms];
// no-op, but make sure it doesn't throw.
XCTAssertNoThrow([self removeQueryData:queryData]);
}
- (void)testRemoveQueryRemovesMatchingKeysToo {
if ([self isTestBaseClass]) return;
FSTQueryData *rooms = [self queryDataWithQuery:_queryRooms];
[self addQueryData:rooms];
FSTDocumentKey *key1 = FSTTestDocKey(@"rooms/foo");
FSTDocumentKey *key2 = FSTTestDocKey(@"rooms/bar");
[self addMatchingKey:key1 forTargetID:rooms.targetID];
[self addMatchingKey:key2 forTargetID:rooms.targetID];
XCTAssertTrue([self.queryCache containsKey:key1]);
XCTAssertTrue([self.queryCache containsKey:key2]);
[self removeQueryData:rooms];
XCTAssertFalse([self.queryCache containsKey:key1]);
XCTAssertFalse([self.queryCache containsKey:key2]);
}
- (void)testAddOrRemoveMatchingKeys {
if ([self isTestBaseClass]) return;
FSTDocumentKey *key = FSTTestDocKey(@"foo/bar");
XCTAssertFalse([self.queryCache containsKey:key]);
[self addMatchingKey:key forTargetID:1];
XCTAssertTrue([self.queryCache containsKey:key]);
[self addMatchingKey:key forTargetID:2];
XCTAssertTrue([self.queryCache containsKey:key]);
[self removeMatchingKey:key forTargetID:1];
XCTAssertTrue([self.queryCache containsKey:key]);
[self removeMatchingKey:key forTargetID:2];
XCTAssertFalse([self.queryCache containsKey:key]);
}
- (void)testRemoveMatchingKeysForTargetID {
if ([self isTestBaseClass]) return;
FSTDocumentKey *key1 = FSTTestDocKey(@"foo/bar");
FSTDocumentKey *key2 = FSTTestDocKey(@"foo/baz");
FSTDocumentKey *key3 = FSTTestDocKey(@"foo/blah");
[self addMatchingKey:key1 forTargetID:1];
[self addMatchingKey:key2 forTargetID:1];
[self addMatchingKey:key3 forTargetID:2];
XCTAssertTrue([self.queryCache containsKey:key1]);
XCTAssertTrue([self.queryCache containsKey:key2]);
XCTAssertTrue([self.queryCache containsKey:key3]);
[self removeMatchingKeysForTargetID:1];
XCTAssertFalse([self.queryCache containsKey:key1]);
XCTAssertFalse([self.queryCache containsKey:key2]);
XCTAssertTrue([self.queryCache containsKey:key3]);
[self removeMatchingKeysForTargetID:2];
XCTAssertFalse([self.queryCache containsKey:key1]);
XCTAssertFalse([self.queryCache containsKey:key2]);
XCTAssertFalse([self.queryCache containsKey:key3]);
}
- (void)testRemoveEmitsGarbageEvents {
if ([self isTestBaseClass]) return;
FSTEagerGarbageCollector *garbageCollector = [[FSTEagerGarbageCollector alloc] init];
[garbageCollector addGarbageSource:self.queryCache];
FSTAssertEqualSets([garbageCollector collectGarbage], @[]);
FSTQueryData *rooms = [self queryDataWithQuery:FSTTestQuery(@"rooms")];
FSTDocumentKey *room1 = FSTTestDocKey(@"rooms/bar");
FSTDocumentKey *room2 = FSTTestDocKey(@"rooms/foo");
[self addQueryData:rooms];
[self addMatchingKey:room1 forTargetID:rooms.targetID];
[self addMatchingKey:room2 forTargetID:rooms.targetID];
FSTQueryData *halls = [self queryDataWithQuery:FSTTestQuery(@"halls")];
FSTDocumentKey *hall1 = FSTTestDocKey(@"halls/bar");
FSTDocumentKey *hall2 = FSTTestDocKey(@"halls/foo");
[self addQueryData:halls];
[self addMatchingKey:hall1 forTargetID:halls.targetID];
[self addMatchingKey:hall2 forTargetID:halls.targetID];
FSTAssertEqualSets([garbageCollector collectGarbage], @[]);
[self removeMatchingKey:room1 forTargetID:rooms.targetID];
FSTAssertEqualSets([garbageCollector collectGarbage], @[ room1 ]);
[self removeQueryData:rooms];
FSTAssertEqualSets([garbageCollector collectGarbage], @[ room2 ]);
[self removeMatchingKeysForTargetID:halls.targetID];
FSTAssertEqualSets([garbageCollector collectGarbage], (@[ hall1, hall2 ]));
}
- (void)testMatchingKeysForTargetID {
if ([self isTestBaseClass]) return;
FSTDocumentKey *key1 = FSTTestDocKey(@"foo/bar");
FSTDocumentKey *key2 = FSTTestDocKey(@"foo/baz");
FSTDocumentKey *key3 = FSTTestDocKey(@"foo/blah");
[self addMatchingKey:key1 forTargetID:1];
[self addMatchingKey:key2 forTargetID:1];
[self addMatchingKey:key3 forTargetID:2];
FSTAssertEqualSets([self.queryCache matchingKeysForTargetID:1], (@[ key1, key2 ]));
FSTAssertEqualSets([self.queryCache matchingKeysForTargetID:2], @[ key3 ]);
[self addMatchingKey:key1 forTargetID:2];
FSTAssertEqualSets([self.queryCache matchingKeysForTargetID:1], (@[ key1, key2 ]));
FSTAssertEqualSets([self.queryCache matchingKeysForTargetID:2], (@[ key1, key3 ]));
}
- (void)testHighestListenSequenceNumber {
if ([self isTestBaseClass]) return;
FSTQueryData *query1 = [[FSTQueryData alloc] initWithQuery:FSTTestQuery(@"rooms")
targetID:1
listenSequenceNumber:10
purpose:FSTQueryPurposeListen];
[self addQueryData:query1];
FSTQueryData *query2 = [[FSTQueryData alloc] initWithQuery:FSTTestQuery(@"halls")
targetID:2
listenSequenceNumber:20
purpose:FSTQueryPurposeListen];
[self addQueryData:query2];
XCTAssertEqual([self.queryCache highestListenSequenceNumber], 20);
// TargetIDs never come down.
[self removeQueryData:query2];
XCTAssertEqual([self.queryCache highestListenSequenceNumber], 20);
// A query with an empty result set still counts.
FSTQueryData *query3 = [[FSTQueryData alloc] initWithQuery:FSTTestQuery(@"garages")
targetID:42
listenSequenceNumber:100
purpose:FSTQueryPurposeListen];
[self addQueryData:query3];
XCTAssertEqual([self.queryCache highestListenSequenceNumber], 100);
[self removeQueryData:query1];
XCTAssertEqual([self.queryCache highestListenSequenceNumber], 100);
[self removeQueryData:query3];
XCTAssertEqual([self.queryCache highestListenSequenceNumber], 100);
// Verify that the highestTargetID even survives restarts.
[self.queryCache shutdown];
self.queryCache = [self.persistence queryCache];
[self.queryCache start];
XCTAssertEqual([self.queryCache highestListenSequenceNumber], 100);
}
- (void)testHighestTargetID {
if ([self isTestBaseClass]) return;
XCTAssertEqual([self.queryCache highestTargetID], 0);
FSTQueryData *query1 = [[FSTQueryData alloc] initWithQuery:FSTTestQuery(@"rooms")
targetID:1
listenSequenceNumber:10
purpose:FSTQueryPurposeListen];
FSTDocumentKey *key1 = FSTTestDocKey(@"rooms/bar");
FSTDocumentKey *key2 = FSTTestDocKey(@"rooms/foo");
[self addQueryData:query1];
[self addMatchingKey:key1 forTargetID:1];
[self addMatchingKey:key2 forTargetID:1];
FSTQueryData *query2 = [[FSTQueryData alloc] initWithQuery:FSTTestQuery(@"halls")
targetID:2
listenSequenceNumber:20
purpose:FSTQueryPurposeListen];
FSTDocumentKey *key3 = FSTTestDocKey(@"halls/foo");
[self addQueryData:query2];
[self addMatchingKey:key3 forTargetID:2];
XCTAssertEqual([self.queryCache highestTargetID], 2);
// TargetIDs never come down.
[self removeQueryData:query2];
XCTAssertEqual([self.queryCache highestTargetID], 2);
// A query with an empty result set still counts.
FSTQueryData *query3 = [[FSTQueryData alloc] initWithQuery:FSTTestQuery(@"garages")
targetID:42
listenSequenceNumber:100
purpose:FSTQueryPurposeListen];
[self addQueryData:query3];
XCTAssertEqual([self.queryCache highestTargetID], 42);
[self removeQueryData:query1];
XCTAssertEqual([self.queryCache highestTargetID], 42);
[self removeQueryData:query3];
XCTAssertEqual([self.queryCache highestTargetID], 42);
// Verify that the highestTargetID even survives restarts.
[self.queryCache shutdown];
self.queryCache = [self.persistence queryCache];
[self.queryCache start];
XCTAssertEqual([self.queryCache highestTargetID], 42);
}
- (void)testLastRemoteSnapshotVersion {
if ([self isTestBaseClass]) return;
XCTAssertEqualObjects([self.queryCache lastRemoteSnapshotVersion],
[FSTSnapshotVersion noVersion]);
// Can set the snapshot version.
FSTWriteGroup *group = [self.persistence startGroupWithAction:@"setLastRemoteSnapshotVersion"];
[self.queryCache setLastRemoteSnapshotVersion:FSTTestVersion(42) group:group];
[self.persistence commitGroup:group];
XCTAssertEqualObjects([self.queryCache lastRemoteSnapshotVersion], FSTTestVersion(42));
// Snapshot version persists restarts.
self.queryCache = [self.persistence queryCache];
[self.queryCache start];
XCTAssertEqualObjects([self.queryCache lastRemoteSnapshotVersion], FSTTestVersion(42));
}
#pragma mark - Helpers
/**
* Creates a new FSTQueryData object from the given parameters, synthesizing a resume token from
* the snapshot version.
*/
- (FSTQueryData *)queryDataWithQuery:(FSTQuery *)query {
return [self queryDataWithQuery:query
targetID:++_previousTargetID
listenSequenceNumber:++_previousSequenceNumber
version:++_previousSnapshotVersion];
}
- (FSTQueryData *)queryDataWithQuery:(FSTQuery *)query
targetID:(FSTTargetID)targetID
listenSequenceNumber:(FSTListenSequenceNumber)sequenceNumber
version:(FSTTestSnapshotVersion)version {
NSData *resumeToken = FSTTestResumeTokenFromSnapshotVersion(version);
return [[FSTQueryData alloc] initWithQuery:query
targetID:targetID
listenSequenceNumber:sequenceNumber
purpose:FSTQueryPurposeListen
snapshotVersion:FSTTestVersion(version)
resumeToken:resumeToken];
}
/** Adds the given query data to the queryCache under test, committing immediately. */
- (void)addQueryData:(FSTQueryData *)queryData {
FSTWriteGroup *group = [self.persistence startGroupWithAction:@"addQueryData"];
[self.queryCache addQueryData:queryData group:group];
[self.persistence commitGroup:group];
}
/** Removes the given query data from the queryCache under test, committing immediately. */
- (void)removeQueryData:(FSTQueryData *)queryData {
FSTWriteGroup *group = [self.persistence startGroupWithAction:@"removeQueryData"];
[self.queryCache removeQueryData:queryData group:group];
[self.persistence commitGroup:group];
}
- (void)addMatchingKey:(FSTDocumentKey *)key forTargetID:(FSTTargetID)targetID {
FSTDocumentKeySet *keys = [FSTDocumentKeySet keySet];
keys = [keys setByAddingObject:key];
FSTWriteGroup *group = [self.persistence startGroupWithAction:@"addMatchingKeys"];
[self.queryCache addMatchingKeys:keys forTargetID:targetID group:group];
[self.persistence commitGroup:group];
}
- (void)removeMatchingKey:(FSTDocumentKey *)key forTargetID:(FSTTargetID)targetID {
FSTDocumentKeySet *keys = [FSTDocumentKeySet keySet];
keys = [keys setByAddingObject:key];
FSTWriteGroup *group = [self.persistence startGroupWithAction:@"removeMatchingKeys"];
[self.queryCache removeMatchingKeys:keys forTargetID:targetID group:group];
[self.persistence commitGroup:group];
}
- (void)removeMatchingKeysForTargetID:(FSTTargetID)targetID {
FSTWriteGroup *group = [self.persistence startGroupWithAction:@"removeMatchingKeysForTargetID"];
[self.queryCache removeMatchingKeysForTargetID:targetID group:group];
[self.persistence commitGroup:group];
}
@end
NS_ASSUME_NONNULL_END