Add RemoteTests as GRPCClientTests to tests project

2 files changed, 150 insertions, 0 deletions

diff --git a/src/objective-c/tests/GRPCClientTests.m b/src/objective-c/tests/GRPCClientTests.m
new file mode 100644
index 0000000000..713ea2848a
--- /dev/null
+++ b/src/objective-c/tests/GRPCClientTests.m
@@ -0,0 +1,146 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#import <UIKit/UIKit.h>
+#import <XCTest/XCTest.h>
+
+#import <gRPC/GRPCCall.h>
+#import <gRPC/GRPCMethodName.h>
+#import <gRPC/GRXWriter+Immediate.h>
+#import <gRPC/GRXWriteable.h>
+#import <RemoteTest/Messages.pbobjc.h>
+
+// These are a few tests similar to InteropTests, but which use the generic gRPC client (GRPCCall)
+// rather than a generated proto library on top of it.
+
+@interface GRPCClientTests : XCTestCase
+@end
+
+@implementation GRPCClientTests
+
+- (void)testConnectionToRemoteServer {
+  __weak XCTestExpectation *expectation = [self expectationWithDescription:@"Server reachable."];
+
+  // This method isn't implemented by the remote server.
+  GRPCMethodName *method = [[GRPCMethodName alloc] initWithPackage:@"grpc.testing"
+                                                         interface:@"TestService"
+                                                            method:@"Nonexistent"];
+
+  id<GRXWriter> requestsWriter = [GRXWriter writerWithValue:[NSData data]];
+
+  GRPCCall *call = [[GRPCCall alloc] initWithHost:@"grpc-test.sandbox.google.com"
+                                           method:method
+                                   requestsWriter:requestsWriter];
+
+  id<GRXWriteable> responsesWriteable = [[GRXWriteable alloc] initWithValueHandler:^(NSData *value) {
+    XCTFail(@"Received unexpected response: %@", value);
+  } completionHandler:^(NSError *errorOrNil) {
+    XCTAssertNotNil(errorOrNil, @"Finished without error!");
+    // TODO(jcanizales): The server should return code 12 UNIMPLEMENTED, not 5 NOT FOUND.
+    XCTAssertEqual(errorOrNil.code, 5, @"Finished with unexpected error: %@", errorOrNil);
+    [expectation fulfill];
+  }];
+
+  [call startWithWriteable:responsesWriteable];
+
+  [self waitForExpectationsWithTimeout:2. handler:nil];
+}
+
+- (void)testEmptyRPC {
+  __weak XCTestExpectation *response = [self expectationWithDescription:@"Empty response received."];
+  __weak XCTestExpectation *completion = [self expectationWithDescription:@"Empty RPC completed."];
+
+  GRPCMethodName *method = [[GRPCMethodName alloc] initWithPackage:@"grpc.testing"
+                                                         interface:@"TestService"
+                                                            method:@"EmptyCall"];
+
+  id<GRXWriter> requestsWriter = [GRXWriter writerWithValue:[NSData data]];
+
+  GRPCCall *call = [[GRPCCall alloc] initWithHost:@"grpc-test.sandbox.google.com"
+                                           method:method
+                                   requestsWriter:requestsWriter];
+
+  id<GRXWriteable> responsesWriteable = [[GRXWriteable alloc] initWithValueHandler:^(NSData *value) {
+    XCTAssertNotNil(value, @"nil value received as response.");
+    XCTAssertEqual([value length], 0, @"Non-empty response received: %@", value);
+    [response fulfill];
+  } completionHandler:^(NSError *errorOrNil) {
+    XCTAssertNil(errorOrNil, @"Finished with unexpected error: %@", errorOrNil);
+    [completion fulfill];
+  }];
+
+  [call startWithWriteable:responsesWriteable];
+
+  [self waitForExpectationsWithTimeout:2. handler:nil];
+}
+
+- (void)testSimpleProtoRPC {
+  __weak XCTestExpectation *response = [self expectationWithDescription:@"Response received."];
+  __weak XCTestExpectation *expectedResponse =
+  [self expectationWithDescription:@"Expected response."];
+  __weak XCTestExpectation *completion = [self expectationWithDescription:@"RPC completed."];
+
+  GRPCMethodName *method = [[GRPCMethodName alloc] initWithPackage:@"grpc.testing"
+                                                         interface:@"TestService"
+                                                            method:@"UnaryCall"];
+
+  RMTSimpleRequest *request = [[RMTSimpleRequest alloc] init];
+  request.responseSize = 100;
+  request.fillUsername = YES;
+  request.fillOauthScope = YES;
+  id<GRXWriter> requestsWriter = [GRXWriter writerWithValue:[request data]];
+
+  GRPCCall *call = [[GRPCCall alloc] initWithHost:@"grpc-test.sandbox.google.com"
+                                           method:method
+                                   requestsWriter:requestsWriter];
+
+  id<GRXWriteable> responsesWriteable = [[GRXWriteable alloc] initWithValueHandler:^(NSData *value) {
+    XCTAssertNotNil(value, @"nil value received as response.");
+    [response fulfill];
+    XCTAssertGreaterThan(value.length, 0, @"Empty response received.");
+    RMTSimpleResponse *response = [RMTSimpleResponse parseFromData:value error:NULL];
+    // We expect empty strings, not nil:
+    XCTAssertNotNil(response.username, @"Response's username is nil.");
+    XCTAssertNotNil(response.oauthScope, @"Response's OAuth scope is nil.");
+    [expectedResponse fulfill];
+  } completionHandler:^(NSError *errorOrNil) {
+    XCTAssertNil(errorOrNil, @"Finished with unexpected error: %@", errorOrNil);
+    [completion fulfill];
+  }];
+
+  [call startWithWriteable:responsesWriteable];
+
+  [self waitForExpectationsWithTimeout:2. handler:nil];
+}
+
+@end
diff --git a/src/objective-c/tests/Tests.xcodeproj/project.pbxproj b/src/objective-c/tests/Tests.xcodeproj/project.pbxproj
index 9eed26a84b..34be705db2 100644
--- a/src/objective-c/tests/Tests.xcodeproj/project.pbxproj
+++ b/src/objective-c/tests/Tests.xcodeproj/project.pbxproj
@@ -7,6 +7,7 @@
 	objects = {
 
 /* Begin PBXBuildFile section */
+		6312AE4E1B1BF49B00341DEE /* GRPCClientTests.m in Sources */ = {isa = PBXBuildFile; fileRef = 6312AE4D1B1BF49B00341DEE /* GRPCClientTests.m */; };
 		63175DFF1B1B9FAF00027841 /* LocalClearTextTests.m in Sources */ = {isa = PBXBuildFile; fileRef = 63175DFE1B1B9FAF00027841 /* LocalClearTextTests.m */; };
 		63423F4A1B150A5F006CF63C /* libTests.a in Frameworks */ = {isa = PBXBuildFile; fileRef = 635697C71B14FC11007A7283 /* libTests.a */; };
 		63423F511B151B77006CF63C /* RxLibraryUnitTests.m in Sources */ = {isa = PBXBuildFile; fileRef = 63423F501B151B77006CF63C /* RxLibraryUnitTests.m */; };
@@ -40,6 +41,7 @@
 /* Begin PBXFileReference section */
 		0A4F89D9C90E9C30990218F0 /* Pods.release.xcconfig */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text.xcconfig; name = Pods.release.xcconfig; path = "Pods/Target Support Files/Pods/Pods.release.xcconfig"; sourceTree = "<group>"; };
 		35F2B6BF3BAE8F0DC4AFD76E /* libPods.a */ = {isa = PBXFileReference; explicitFileType = archive.ar; includeInIndex = 0; path = libPods.a; sourceTree = BUILT_PRODUCTS_DIR; };
+		6312AE4D1B1BF49B00341DEE /* GRPCClientTests.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = GRPCClientTests.m; sourceTree = "<group>"; };
 		63175DFE1B1B9FAF00027841 /* LocalClearTextTests.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = LocalClearTextTests.m; sourceTree = "<group>"; };
 		63423F441B150A5F006CF63C /* AllTests.xctest */ = {isa = PBXFileReference; explicitFileType = wrapper.cfbundle; includeInIndex = 0; path = AllTests.xctest; sourceTree = BUILT_PRODUCTS_DIR; };
 		63423F501B151B77006CF63C /* RxLibraryUnitTests.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = RxLibraryUnitTests.m; sourceTree = "<group>"; };
@@ -109,6 +111,7 @@
 		635697C91B14FC11007A7283 /* Tests */ = {
 			isa = PBXGroup;
 			children = (
+				6312AE4D1B1BF49B00341DEE /* GRPCClientTests.m */,
 				63175DFE1B1B9FAF00027841 /* LocalClearTextTests.m */,
 				635ED2EB1B1A3BC400FDE5C3 /* InteropTests.m */,
 				63423F501B151B77006CF63C /* RxLibraryUnitTests.m */,
@@ -251,6 +254,7 @@
 			files = (
 				63175DFF1B1B9FAF00027841 /* LocalClearTextTests.m in Sources */,
 				63423F511B151B77006CF63C /* RxLibraryUnitTests.m in Sources */,
+				6312AE4E1B1BF49B00341DEE /* GRPCClientTests.m in Sources */,
 				635ED2EC1B1A3BC400FDE5C3 /* InteropTests.m in Sources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;