1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
|
//===----------------------------------------------------------------------===//
//
// This source file is part of the SwiftNIO open source project
//
// Copyright (c) 2019 Apple Inc. and the SwiftNIO project authors
// Licensed under Apache License v2.0
//
// See LICENSE.txt for license information
// See CONTRIBUTORS.txt for the list of SwiftNIO project authors
//
// SPDX-License-Identifier: Apache-2.0
//
//===----------------------------------------------------------------------===//
import NIO
import NIOTestUtils
import XCTest
class EventCounterHandlerTest: XCTestCase {
private var channel: EmbeddedChannel!
private var handler: EventCounterHandler!
override func setUp() {
self.handler = EventCounterHandler()
self.channel = EmbeddedChannel(handler: self.handler)
}
override func tearDown() {
self.handler = nil
XCTAssertNoThrow(try self.channel?.finish())
self.channel = nil
}
func testNothingButEmbeddedChannelInit() {
// EmbeddedChannel calls register
XCTAssertEqual(["channelRegistered", "register"], self.handler.allTriggeredEvents())
XCTAssertNoThrow(try self.handler.checkValidity())
XCTAssertEqual(1, self.handler.channelRegisteredCalls)
XCTAssertEqual(1, self.handler.registerCalls)
}
func testNothing() {
let handler = EventCounterHandler()
XCTAssertNoThrow(try self.channel.pipeline.addHandler(handler).wait())
XCTAssertEqual([], handler.allTriggeredEvents())
XCTAssertNoThrow(try handler.checkValidity())
}
func testInboundWrite() {
XCTAssertNoThrow(try self.channel.writeInbound(()))
XCTAssertEqual(["channelRegistered", "register", "channelRead", "channelReadComplete"],
self.handler.allTriggeredEvents())
XCTAssertNoThrow(try self.handler.checkValidity())
XCTAssertEqual(1, self.handler.channelRegisteredCalls)
XCTAssertEqual(1, self.handler.registerCalls)
XCTAssertEqual(1, self.handler.channelReadCalls)
XCTAssertEqual(1, self.handler.channelReadCompleteCalls)
}
func testOutboundWrite() {
XCTAssertNoThrow(try self.channel.writeOutbound(()))
XCTAssertEqual(["channelRegistered", "register", "write", "flush"],
self.handler.allTriggeredEvents())
XCTAssertNoThrow(try self.handler.checkValidity())
XCTAssertEqual(1, self.handler.channelRegisteredCalls)
XCTAssertEqual(1, self.handler.registerCalls)
XCTAssertEqual(1, self.handler.writeCalls)
XCTAssertEqual(1, self.handler.flushCalls)
}
func testConnectChannel() {
XCTAssertNoThrow(try self.channel.connect(to: .init(ipAddress: "1.2.3.4", port: 5678)).wait())
XCTAssertEqual(["channelRegistered", "register", "connect", "channelActive"],
self.handler.allTriggeredEvents())
XCTAssertNoThrow(try self.handler.checkValidity())
XCTAssertEqual(1, self.handler.channelRegisteredCalls)
XCTAssertEqual(1, self.handler.registerCalls)
XCTAssertEqual(1, self.handler.connectCalls)
XCTAssertEqual(1, self.handler.channelActiveCalls)
}
func testBindChannel() {
XCTAssertNoThrow(try self.channel.bind(to: .init(ipAddress: "1.2.3.4", port: 5678)).wait())
XCTAssertEqual(["channelRegistered", "register", "bind"],
self.handler.allTriggeredEvents())
XCTAssertNoThrow(try self.handler.checkValidity())
XCTAssertEqual(1, self.handler.channelRegisteredCalls)
XCTAssertEqual(1, self.handler.registerCalls)
XCTAssertEqual(1, self.handler.bindCalls)
}
func testConnectAndCloseChannel() {
XCTAssertNoThrow(try self.channel.connect(to: .init(ipAddress: "1.2.3.4", port: 5678)).wait())
XCTAssertNoThrow(try self.channel.close().wait())
XCTAssertEqual(["channelRegistered", "register", "connect", "channelActive", "close", "channelInactive",
"channelUnregistered"],
self.handler.allTriggeredEvents())
XCTAssertNoThrow(try self.handler.checkValidity())
XCTAssertEqual(1, self.handler.channelRegisteredCalls)
XCTAssertEqual(1, self.handler.registerCalls)
XCTAssertEqual(1, self.handler.connectCalls)
XCTAssertEqual(1, self.handler.channelActiveCalls)
XCTAssertEqual(1, self.handler.channelInactiveCalls)
XCTAssertEqual(1, self.handler.closeCalls)
XCTAssertEqual(1, self.handler.channelUnregisteredCalls)
self.channel = nil // don't let tearDown close it
}
func testError() {
struct Dummy: Error {}
self.channel.pipeline.fireErrorCaught(Dummy())
XCTAssertEqual(["channelRegistered", "register", "errorCaught"],
self.handler.allTriggeredEvents())
XCTAssertNoThrow(try self.handler.checkValidity())
XCTAssertEqual(1, self.handler.errorCaughtCalls)
XCTAssertThrowsError(try self.channel.throwIfErrorCaught())
}
func testEventsWithoutArguments() {
let noArgEvents: [((ChannelPipeline) -> () -> (), String)] = [
(ChannelPipeline.fireChannelRegistered, "channelRegistered"),
(ChannelPipeline.fireChannelUnregistered, "channelUnregistered"),
(ChannelPipeline.fireChannelActive, "channelActive"),
(ChannelPipeline.fireChannelInactive, "channelInactive"),
(ChannelPipeline.fireChannelReadComplete, "channelReadComplete"),
(ChannelPipeline.fireChannelWritabilityChanged, "channelWritabilityChanged"),
(ChannelPipeline.flush, "flush"),
(ChannelPipeline.read, "read"),
]
for (fire, name) in noArgEvents {
let channel = EmbeddedChannel()
defer {
XCTAssertNoThrow(try channel.finish())
}
let handler = EventCounterHandler()
XCTAssertNoThrow(try channel.pipeline.addHandler(handler).wait())
XCTAssertEqual([], handler.allTriggeredEvents())
fire(channel.pipeline)()
XCTAssertEqual([name], handler.allTriggeredEvents())
}
}
func testInboundUserEvent() {
self.channel.pipeline.fireUserInboundEventTriggered(())
XCTAssertEqual(["channelRegistered", "register", "userInboundEventTriggered"],
self.handler.allTriggeredEvents())
XCTAssertNoThrow(try self.handler.checkValidity())
XCTAssertEqual(1, self.handler.userInboundEventTriggeredCalls)
}
func testOutboundUserEvent() {
self.channel.pipeline.triggerUserOutboundEvent((), promise: nil)
XCTAssertEqual(["channelRegistered", "register", "triggerUserOutboundEvent"],
self.handler.allTriggeredEvents())
XCTAssertNoThrow(try self.handler.checkValidity())
XCTAssertEqual(1, self.handler.triggerUserOutboundEventCalls)
}
}
|
