Jorge Canizales | 6295115 | 2015-05-26 14:32:12 -0700 | [diff] [blame] | 1 | /* |
| 2 | * |
Jan Tattermusch | 7897ae9 | 2017-06-07 22:57:36 +0200 | [diff] [blame^] | 3 | * Copyright 2015 gRPC authors. |
Jorge Canizales | 6295115 | 2015-05-26 14:32:12 -0700 | [diff] [blame] | 4 | * |
Jan Tattermusch | 7897ae9 | 2017-06-07 22:57:36 +0200 | [diff] [blame^] | 5 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 6 | * you may not use this file except in compliance with the License. |
| 7 | * You may obtain a copy of the License at |
Jorge Canizales | 6295115 | 2015-05-26 14:32:12 -0700 | [diff] [blame] | 8 | * |
Jan Tattermusch | 7897ae9 | 2017-06-07 22:57:36 +0200 | [diff] [blame^] | 9 | * http://www.apache.org/licenses/LICENSE-2.0 |
Jorge Canizales | 6295115 | 2015-05-26 14:32:12 -0700 | [diff] [blame] | 10 | * |
Jan Tattermusch | 7897ae9 | 2017-06-07 22:57:36 +0200 | [diff] [blame^] | 11 | * Unless required by applicable law or agreed to in writing, software |
| 12 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 13 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 14 | * See the License for the specific language governing permissions and |
| 15 | * limitations under the License. |
Jorge Canizales | 6295115 | 2015-05-26 14:32:12 -0700 | [diff] [blame] | 16 | * |
| 17 | */ |
| 18 | |
| 19 | #import <UIKit/UIKit.h> |
| 20 | #import <XCTest/XCTest.h> |
| 21 | |
Jorge Canizales | c42a38e | 2015-06-21 14:44:25 -0700 | [diff] [blame] | 22 | #import <RxLibrary/GRXBufferedPipe.h> |
| 23 | #import <RxLibrary/GRXWriteable.h> |
| 24 | #import <RxLibrary/GRXWriter.h> |
Jorge Canizales | ad0965e | 2015-05-27 13:01:21 -0700 | [diff] [blame] | 25 | |
Jorge Canizales | 6caf911 | 2015-05-28 22:40:24 -0700 | [diff] [blame] | 26 | // A mock of a GRXSingleValueHandler block that can be queried for how many times it was called and |
| 27 | // what were the last values passed to it. |
| 28 | // |
| 29 | // TODO(jcanizales): Move this to a test util library, and add tests for it. |
| 30 | @interface CapturingSingleValueHandler : NSObject |
| 31 | @property (nonatomic, readonly) void (^block)(id value, NSError *errorOrNil); |
| 32 | @property (nonatomic, readonly) NSUInteger timesCalled; |
| 33 | @property (nonatomic, readonly) id value; |
| 34 | @property (nonatomic, readonly) NSError *errorOrNil; |
| 35 | + (instancetype)handler; |
| 36 | @end |
Jorge Canizales | 6295115 | 2015-05-26 14:32:12 -0700 | [diff] [blame] | 37 | |
Jorge Canizales | 6caf911 | 2015-05-28 22:40:24 -0700 | [diff] [blame] | 38 | @implementation CapturingSingleValueHandler |
| 39 | + (instancetype)handler { |
| 40 | return [[self alloc] init]; |
| 41 | } |
| 42 | |
Jorge Canizales | f95ddba | 2015-08-12 10:51:56 -0700 | [diff] [blame] | 43 | - (GRXSingleHandler)block { |
Jorge Canizales | 6caf911 | 2015-05-28 22:40:24 -0700 | [diff] [blame] | 44 | return ^(id value, NSError *errorOrNil) { |
| 45 | ++_timesCalled; |
| 46 | _value = value; |
| 47 | _errorOrNil = errorOrNil; |
| 48 | }; |
| 49 | } |
| 50 | @end |
| 51 | |
Jorge Canizales | 232b6a8 | 2016-03-11 12:26:27 -0800 | [diff] [blame] | 52 | // TODO(jcanizales): Split into one file per tested class. |
| 53 | |
Jorge Canizales | 6caf911 | 2015-05-28 22:40:24 -0700 | [diff] [blame] | 54 | @interface RxLibraryUnitTests : XCTestCase |
Jorge Canizales | 6295115 | 2015-05-26 14:32:12 -0700 | [diff] [blame] | 55 | @end |
| 56 | |
| 57 | @implementation RxLibraryUnitTests |
| 58 | |
Jorge Canizales | 6caf911 | 2015-05-28 22:40:24 -0700 | [diff] [blame] | 59 | #pragma mark Writeable |
| 60 | |
Jorge Canizales | f95ddba | 2015-08-12 10:51:56 -0700 | [diff] [blame] | 61 | - (void)testWriteableSingleHandlerIsCalledForValue { |
Jorge Canizales | 6caf911 | 2015-05-28 22:40:24 -0700 | [diff] [blame] | 62 | // Given: |
| 63 | CapturingSingleValueHandler *handler = [CapturingSingleValueHandler handler]; |
| 64 | id anyValue = @7; |
| 65 | |
| 66 | // If: |
Jorge Canizales | f95ddba | 2015-08-12 10:51:56 -0700 | [diff] [blame] | 67 | id<GRXWriteable> writeable = [GRXWriteable writeableWithSingleHandler:handler.block]; |
Jorge Canizales | 6caf911 | 2015-05-28 22:40:24 -0700 | [diff] [blame] | 68 | [writeable writeValue:anyValue]; |
Jorge Canizales | 232b6a8 | 2016-03-11 12:26:27 -0800 | [diff] [blame] | 69 | [writeable writesFinishedWithError:nil]; |
Jorge Canizales | 6caf911 | 2015-05-28 22:40:24 -0700 | [diff] [blame] | 70 | |
| 71 | // Then: |
| 72 | XCTAssertEqual(handler.timesCalled, 1); |
| 73 | XCTAssertEqualObjects(handler.value, anyValue); |
| 74 | XCTAssertEqualObjects(handler.errorOrNil, nil); |
Jorge Canizales | 6295115 | 2015-05-26 14:32:12 -0700 | [diff] [blame] | 75 | } |
| 76 | |
Jorge Canizales | f95ddba | 2015-08-12 10:51:56 -0700 | [diff] [blame] | 77 | - (void)testWriteableSingleHandlerIsCalledForError { |
Jorge Canizales | 6caf911 | 2015-05-28 22:40:24 -0700 | [diff] [blame] | 78 | // Given: |
| 79 | CapturingSingleValueHandler *handler = [CapturingSingleValueHandler handler]; |
| 80 | NSError *anyError = [NSError errorWithDomain:@"domain" code:7 userInfo:nil]; |
| 81 | |
| 82 | // If: |
Jorge Canizales | f95ddba | 2015-08-12 10:51:56 -0700 | [diff] [blame] | 83 | id<GRXWriteable> writeable = [GRXWriteable writeableWithSingleHandler:handler.block]; |
Jorge Canizales | 6caf911 | 2015-05-28 22:40:24 -0700 | [diff] [blame] | 84 | [writeable writesFinishedWithError:anyError]; |
| 85 | |
| 86 | // Then: |
| 87 | XCTAssertEqual(handler.timesCalled, 1); |
| 88 | XCTAssertEqualObjects(handler.value, nil); |
| 89 | XCTAssertEqualObjects(handler.errorOrNil, anyError); |
Jorge Canizales | 6295115 | 2015-05-26 14:32:12 -0700 | [diff] [blame] | 90 | } |
| 91 | |
Jorge Canizales | 232b6a8 | 2016-03-11 12:26:27 -0800 | [diff] [blame] | 92 | - (void)testWriteableSingleHandlerIsCalledOnlyOnce_ValueThenError { |
| 93 | // Given: |
| 94 | CapturingSingleValueHandler *handler = [CapturingSingleValueHandler handler]; |
| 95 | id anyValue = @7; |
| 96 | NSError *anyError = [NSError errorWithDomain:@"domain" code:7 userInfo:nil]; |
| 97 | |
| 98 | // If: |
| 99 | id<GRXWriteable> writeable = [GRXWriteable writeableWithSingleHandler:handler.block]; |
| 100 | [writeable writeValue:anyValue]; |
| 101 | [writeable writesFinishedWithError:anyError]; |
| 102 | |
| 103 | // Then: |
| 104 | XCTAssertEqual(handler.timesCalled, 1); |
| 105 | XCTAssertEqualObjects(handler.value, anyValue); |
| 106 | XCTAssertEqualObjects(handler.errorOrNil, nil); |
| 107 | } |
| 108 | |
| 109 | - (void)testWriteableSingleHandlerIsCalledOnlyOnce_ValueThenValue { |
| 110 | // Given: |
| 111 | CapturingSingleValueHandler *handler = [CapturingSingleValueHandler handler]; |
| 112 | id anyValue = @7; |
| 113 | |
| 114 | // If: |
| 115 | id<GRXWriteable> writeable = [GRXWriteable writeableWithSingleHandler:handler.block]; |
| 116 | [writeable writeValue:anyValue]; |
| 117 | [writeable writeValue:anyValue]; |
| 118 | [writeable writesFinishedWithError:nil]; |
| 119 | |
| 120 | // Then: |
| 121 | XCTAssertEqual(handler.timesCalled, 1); |
| 122 | XCTAssertEqualObjects(handler.value, anyValue); |
| 123 | XCTAssertEqualObjects(handler.errorOrNil, nil); |
| 124 | } |
| 125 | |
| 126 | - (void)testWriteableSingleHandlerFailsOnEmptyWriter { |
| 127 | // Given: |
| 128 | CapturingSingleValueHandler *handler = [CapturingSingleValueHandler handler]; |
| 129 | |
| 130 | // If: |
| 131 | id<GRXWriteable> writeable = [GRXWriteable writeableWithSingleHandler:handler.block]; |
| 132 | [writeable writesFinishedWithError:nil]; |
| 133 | |
| 134 | // Then: |
| 135 | XCTAssertEqual(handler.timesCalled, 1); |
| 136 | XCTAssertEqualObjects(handler.value, nil); |
| 137 | XCTAssertNotNil(handler.errorOrNil); |
| 138 | } |
| 139 | |
Jorge Canizales | 6caf911 | 2015-05-28 22:40:24 -0700 | [diff] [blame] | 140 | #pragma mark BufferedPipe |
| 141 | |
| 142 | - (void)testBufferedPipePropagatesValue { |
| 143 | // Given: |
| 144 | CapturingSingleValueHandler *handler = [CapturingSingleValueHandler handler]; |
Jorge Canizales | f95ddba | 2015-08-12 10:51:56 -0700 | [diff] [blame] | 145 | id<GRXWriteable> writeable = [GRXWriteable writeableWithSingleHandler:handler.block]; |
Jorge Canizales | 6caf911 | 2015-05-28 22:40:24 -0700 | [diff] [blame] | 146 | id anyValue = @7; |
| 147 | |
| 148 | // If: |
| 149 | GRXBufferedPipe *pipe = [GRXBufferedPipe pipe]; |
| 150 | [pipe startWithWriteable:writeable]; |
| 151 | [pipe writeValue:anyValue]; |
| 152 | |
| 153 | // Then: |
| 154 | XCTAssertEqual(handler.timesCalled, 1); |
| 155 | XCTAssertEqualObjects(handler.value, anyValue); |
| 156 | XCTAssertEqualObjects(handler.errorOrNil, nil); |
Jorge Canizales | 6295115 | 2015-05-26 14:32:12 -0700 | [diff] [blame] | 157 | } |
| 158 | |
Jorge Canizales | 6caf911 | 2015-05-28 22:40:24 -0700 | [diff] [blame] | 159 | - (void)testBufferedPipePropagatesError { |
| 160 | // Given: |
| 161 | CapturingSingleValueHandler *handler = [CapturingSingleValueHandler handler]; |
Jorge Canizales | f95ddba | 2015-08-12 10:51:56 -0700 | [diff] [blame] | 162 | id<GRXWriteable> writeable = [GRXWriteable writeableWithSingleHandler:handler.block]; |
Jorge Canizales | 6caf911 | 2015-05-28 22:40:24 -0700 | [diff] [blame] | 163 | NSError *anyError = [NSError errorWithDomain:@"domain" code:7 userInfo:nil]; |
| 164 | |
| 165 | // If: |
| 166 | GRXBufferedPipe *pipe = [GRXBufferedPipe pipe]; |
| 167 | [pipe startWithWriteable:writeable]; |
| 168 | [pipe writesFinishedWithError:anyError]; |
| 169 | |
| 170 | // Then: |
| 171 | XCTAssertEqual(handler.timesCalled, 1); |
| 172 | XCTAssertEqualObjects(handler.value, nil); |
| 173 | XCTAssertEqualObjects(handler.errorOrNil, anyError); |
Jorge Canizales | 6295115 | 2015-05-26 14:32:12 -0700 | [diff] [blame] | 174 | } |
| 175 | |
Test User | 9656eca | 2016-02-18 14:47:22 -0800 | [diff] [blame] | 176 | - (void)testBufferedPipeFinishWriteWhilePaused { |
| 177 | // Given: |
| 178 | CapturingSingleValueHandler *handler = [CapturingSingleValueHandler handler]; |
| 179 | id<GRXWriteable> writeable = [GRXWriteable writeableWithSingleHandler:handler.block]; |
| 180 | id anyValue = @7; |
| 181 | |
| 182 | // If: |
| 183 | GRXBufferedPipe *pipe = [GRXBufferedPipe pipe]; |
| 184 | // Write something, then finish |
| 185 | [pipe writeValue:anyValue]; |
| 186 | [pipe writesFinishedWithError:nil]; |
| 187 | // then start the writeable |
| 188 | [pipe startWithWriteable:writeable]; |
| 189 | |
| 190 | // Then: |
| 191 | XCTAssertEqual(handler.timesCalled, 1); |
| 192 | XCTAssertEqualObjects(handler.value, anyValue); |
| 193 | XCTAssertEqualObjects(handler.errorOrNil, nil); |
| 194 | } |
| 195 | |
Jorge Canizales | 6295115 | 2015-05-26 14:32:12 -0700 | [diff] [blame] | 196 | @end |