Added testcases for where method

Author: reeshika-h

ContentstackTest/ContentstackTest.m

@@ -203,6 +203,88 @@ - (void)test04FetchAssets {
     [self waitForRequest];
 }
 
+- (void)testFetchAssetByQuery01{
+    XCTestExpectation *expectation = [self expectationWithDescription:@"Fetch Asset By where method"];
+    AssetLibrary* assets = [csStack assetLibrary];
+    [assets where:@"title" equalTo:@"image1"];
+    [assets fetchAll:^(ResponseType type, NSArray *result, NSError *error) {
+        if (error) {
+            XCTFail(@"~ ERR: %@, Message = %@", error.userInfo, error.description);
+        } else {
+            XCTAssert(type == NETWORK, @"Pass");
+            XCTAssertNil(error, @"Expected no error, but got: %@", error.userInfo);
+            XCTAssert(result.count > 0, @"Expected results, but got none.");
+        }
+        [expectation fulfill];
+    }];
+    [self waitForRequest];
+}
+
+- (void)testFetchAssetsByValidFileSize02 {
+    XCTestExpectation *expectation = [self expectationWithDescription:@"Fetch Asset By valid file size"];
+    AssetLibrary *assets = [csStack assetLibrary];
+    [assets where:@"file_size" equalTo:@(53986)]; // Valid file size
+    [assets fetchAll:^(ResponseType type, NSArray *result, NSError *error) {
+        XCTAssert(type == NETWORK, @"Pass");
+        XCTAssertNil(error, @"Expected no error, but got: %@", error.userInfo);
+        XCTAssert(result.count > 0, @"Expected results, but got none.");
+        [expectation fulfill];
+    }];
+    [self waitForRequest];
+}
+
+- (void)testFetchAssetsByNonExistentFileSize03 {
+    XCTestExpectation *expectation = [self expectationWithDescription:@"Fetch Asset By non-existent file size"];
+    AssetLibrary *assets = [csStack assetLibrary];
+    [assets where:@"file_size" equalTo:@(9999999)]; // Non-existent file size
+    [assets fetchAll:^(ResponseType type, NSArray *result, NSError *error) {
+        XCTAssert(type == NETWORK, @"Pass");
+        XCTAssertNil(error, @"Expected no error, but got: %@", error.userInfo);
+        XCTAssertEqual(result.count, 0, @"Expected no results, but got some.");
+        [expectation fulfill];
+    }];
+    [self waitForRequest];
+}
+
+- (void)testFetchAssetsByNonExistentTitle04 {
+    XCTestExpectation *expectation = [self expectationWithDescription:@"Fetch Asset By non-existent title"];
+    AssetLibrary *assets = [csStack assetLibrary];
+    [assets where:@"title" equalTo:@"non-existent-title.png"]; // Non-existent title
+    [assets fetchAll:^(ResponseType type, NSArray *result, NSError *error) {
+        XCTAssert(type == NETWORK, @"Pass");
+        XCTAssertNil(error, @"Expected no error, but got: %@", error.userInfo);
+        XCTAssertEqual(result.count, 0, @"Expected no results, but got some.");
+        [expectation fulfill];
+    }];
+    [self waitForRequest];
+}
+
+- (void)testFetchAssetsByMultipleConditions05 {
+    XCTestExpectation *expectation = [self expectationWithDescription:@"Fetch Asset By multiple conditions"];
+    AssetLibrary *assets = [csStack assetLibrary];
+    [assets where:@"file_size" equalTo:@(6884)]; // Valid file size
+    [assets where:@"title" equalTo:@"image4"]; // Valid title
+    [assets fetchAll:^(ResponseType type, NSArray *result, NSError *error) {
+        XCTAssert(type == NETWORK, @"Pass");
+        XCTAssertNil(error, @"Expected no error, but got: %@", error.userInfo);
+        XCTAssert(result.count > 0, @"Expected results, but got none.");
+        [expectation fulfill];
+    }];
+    [self waitForRequest];
+}
+
+- (void)testFetchAssetsByInvalidFieldName06 {
+    XCTestExpectation *expectation = [self expectationWithDescription:@"Fetch Asset By invalid field name"];
+    AssetLibrary *assets = [csStack assetLibrary];
+    [assets where:@"invalid_field" equalTo:@"value"]; // Invalid field name
+    [assets fetchAll:^(ResponseType type, NSArray *result, NSError *error) {
+        XCTAssert(type == NETWORK, @"Pass");
+        XCTAssertNil(error, @"Expected no error, but got: %@", error.userInfo);
+        XCTAssertEqual(result.count, 0, @"Expected no results.");
+        [expectation fulfill];
+    }];
+    [self waitForRequest];
+}
 
 - (void)testGetHeader {
     XCTestExpectation *expectation = [self expectationWithDescription:@"Fetch Set Header"];