grpc/src/objective-c/examples/Sample/SampleTests/RemoteProtoTests.m

/*
 *
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 * 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.
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 * copyright notice, this list of conditions and the following disclaimer
 * in the documentation and/or other materials provided with the
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 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
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 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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#import <UIKit/UIKit.h>
#import <XCTest/XCTest.h>

#import <gRPC/GRXWriter+Immediate.h>
#import <RemoteTest/Messages.pb.h>
#import <RemoteTest/Test.pb.h>

@interface RemoteProtoTests : XCTestCase
@end

@implementation RemoteProtoTests {
  RMTTestService *_service;
}

- (void)setUp {
  _service = [[RMTTestService alloc] initWithHost:@"grpc-test.sandbox.google.com"];
}

// Tests as described here: https://github.com/grpc/grpc/blob/master/doc/interop-test-descriptions.md

- (void)testEmptyUnaryRPC {
  __weak XCTestExpectation *expectation = [self expectationWithDescription:@"EmptyUnary"];

  RMTEmpty *request = [RMTEmpty defaultInstance];

  [_service emptyCallWithRequest:request handler:^(RMTEmpty *response, NSError *error) {
    XCTAssertNil(error, @"Finished with unexpected error: %@", error);

    id expectedResponse = [RMTEmpty defaultInstance];
    XCTAssertEqualObjects(response, expectedResponse);

    [expectation fulfill];
  }];

  [self waitForExpectationsWithTimeout:2. handler:nil];
}

- (void)testLargeUnaryRPC {
  __weak XCTestExpectation *expectation = [self expectationWithDescription:@"EmptyUnary"];

  RMTSimpleRequest *request = [[[[[[RMTSimpleRequestBuilder alloc] init]
                                  setResponseType:RMTPayloadTypeCompressable]
                                 setResponseSize:314159]
                                setPayloadBuilder:[[[RMTPayloadBuilder alloc] init]
                                             setBody:[NSMutableData dataWithLength:271828]]]
                               build];

  [_service unaryCallWithRequest:request handler:^(RMTSimpleResponse *response, NSError *error) {
    XCTAssertNil(error, @"Finished with unexpected error: %@", error);

    id expectedResponse = [[[[RMTSimpleResponseBuilder alloc] init]
                            setPayloadBuilder:[[[[RMTPayloadBuilder alloc] init]
                                                setType:RMTPayloadTypeCompressable]
                                               setBody:[NSMutableData dataWithLength:314159]]]
                           build];
    XCTAssertEqualObjects(response, expectedResponse);

    [expectation fulfill];
  }];

  [self waitForExpectationsWithTimeout:4. handler:nil];
}

- (void)testClientStreamingRPC {
  __weak XCTestExpectation *expectation = [self expectationWithDescription:@"EmptyUnary"];

  id request1 = [[[[RMTStreamingInputCallRequestBuilder alloc] init]
                  setPayloadBuilder:[[[RMTPayloadBuilder alloc] init]
                                     setBody:[NSMutableData dataWithLength:27182]]]
                 build];
  id request2 = [[[[RMTStreamingInputCallRequestBuilder alloc] init]
                  setPayloadBuilder:[[[RMTPayloadBuilder alloc] init]
                                     setBody:[NSMutableData dataWithLength:8]]]
                 build];
  id request3 = [[[[RMTStreamingInputCallRequestBuilder alloc] init]
                  setPayloadBuilder:[[[RMTPayloadBuilder alloc] init]
                                     setBody:[NSMutableData dataWithLength:1828]]]
                 build];
  id request4 = [[[[RMTStreamingInputCallRequestBuilder alloc] init]
                  setPayloadBuilder:[[[RMTPayloadBuilder alloc] init]
                                     setBody:[NSMutableData dataWithLength:45904]]]
                 build];
  id<GRXWriter> writer = [GRXWriter writerWithContainer:@[request1, request2, request3, request4]];

  [_service streamingInputCallWithRequestsWriter:writer
                                         handler:^(RMTStreamingInputCallResponse *response, NSError *error) {
    XCTAssertNil(error, @"Finished with unexpected error: %@", error);

    id expectedResponse = [[[[RMTStreamingInputCallResponseBuilder alloc] init]
                            setAggregatedPayloadSize:74922]
                           build];
    XCTAssertEqualObjects(response, expectedResponse);

    [expectation fulfill];
  }];

  [self waitForExpectationsWithTimeout:4. handler:nil];
}

@end