1 files changed, 75 insertions, 0 deletions
diff --git a/Firestore/Example/Tests/API/FIRQueryTests.m b/Firestore/Example/Tests/API/FIRQueryTests.m
new file mode 100644
index 0000000..bd0d860
--- /dev/null
+++ b/Firestore/Example/Tests/API/FIRQueryTests.m
@@ -0,0 +1,75 @@
+/*
+ * 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 FirebaseFirestore;
+
+#import <XCTest/XCTest.h>
+
+#import "Firestore/Source/API/FIRFirestore+Internal.h"
+#import "Firestore/Source/API/FIRQuery+Internal.h"
+#import "Firestore/Source/Core/FSTQuery.h"
+#import "Firestore/Source/Model/FSTPath.h"
+
+#import "Firestore/Example/Tests/Util/FSTHelpers.h"
+
+NS_ASSUME_NONNULL_BEGIN
+
+@interface FIRQueryTests : XCTestCase
+@end
+
+@implementation FIRQueryTests
+
+- (void)testFilteringWithPredicate {
+  // Everything is dummy for unit test here. Filtering does not require any app
+  // specific setting as far as we do not fetch data.
+  FIRFirestore *firestore = [[FIRFirestore alloc] initWithProjectID:@"abc"
+                                                           database:@"abc"
+                                                     persistenceKey:@"db123"
+                                                credentialsProvider:nil
+                                                workerDispatchQueue:nil
+                                                        firebaseApp:nil];
+  FSTResourcePath *path = [FSTResourcePath pathWithString:@"foo"];
+  FIRQuery *query = [FIRQuery referenceWithQuery:[FSTQuery queryWithPath:path]
+                                       firestore:firestore];
+  FIRQuery *query1 = [query queryWhereField:@"f" isLessThanOrEqualTo:@1];
+  FIRQuery *query2 = [query queryFilteredUsingPredicate:
+                      [NSPredicate predicateWithFormat:@"f<=1"]];
+  FIRQuery *query3 = [[query queryWhereField:@"f1" isLessThan:@2]
+                      queryWhereField:@"f2" isEqualTo:@3];
+  FIRQuery *query4 = [query queryFilteredUsingPredicate:
+                      [NSPredicate predicateWithFormat:@"f1<2 && f2==3"]];
+  FIRQuery *query5 = [[[[[query queryWhereField:@"f1" isLessThan:@2]
+                         queryWhereField:@"f2" isEqualTo:@3]
+                        queryWhereField:@"f1" isLessThanOrEqualTo:@"four"]
+                       queryWhereField:@"f1" isGreaterThanOrEqualTo:@"five"]
+                      queryWhereField:@"f1" isGreaterThan:@6];
+  FIRQuery *query6 = [query queryFilteredUsingPredicate:
+                      [NSPredicate predicateWithFormat:
+                       @"f1<2 && f2==3 && f1<='four' && f1>='five' && f1>6"]];
+  FIRQuery *query7 = [query queryFilteredUsingPredicate:
+                      [NSPredicate predicateWithFormat:
+                       @"2>f1 && 3==f2 && 'four'>=f1 && 'five'<=f1 && 6<f1"]];
+  XCTAssertEqualObjects(query1, query2);
+  XCTAssertNotEqualObjects(query2, query3);
+  XCTAssertEqualObjects(query3, query4);
+  XCTAssertNotEqualObjects(query4, query5);
+  XCTAssertEqualObjects(query5, query6);
+  XCTAssertEqualObjects(query6, query7);
+}
+
+@end
+
+NS_ASSUME_NONNULL_END