RemoteProtoTests.m

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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];
}