EventSource4Net/EventSource4Net.Test/EventSourceTest.cs at fde9b912cbc6e35f5882d1949e0a2247d448221b · erizet/EventSource4Net · GitHub

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
using System;
using Microsoft.VisualStudio.TestTools.UnitTesting;
using System.Collections.Generic;
using System.Threading;

namespace EventSource4Net.Test
{
    [TestClass]
    public class EventSourceTest
    {
        [TestMethod]
        public void TestFailedConnection()
        {
            // setup
            Uri url = new Uri("http://test.com");
            CancellationTokenSource cts = new CancellationTokenSource();
            List<EventSourceState> states = new List<EventSourceState>();
            ServiceResponseMock response = new ServiceResponseMock(url, System.Net.HttpStatusCode.NotFound);
            WebRequesterFactoryMock factory = new WebRequesterFactoryMock(response);
            ManualResetEvent stateIsClosed = new ManualResetEvent(false);

            TestableEventSource es = new TestableEventSource(url, factory);
            es.StateChanged += (o, e) =>
            {
                states.Add(e.State);
                if (e.State == EventSourceState.CLOSED)
                {
                    stateIsClosed.Set();
                    cts.Cancel();
                }
            };


            // act
            stateIsClosed.Reset();

            es.Start(cts.Token);

            stateIsClosed.WaitOne();

            // assert
            Assert.IsTrue(states.Count == 2);
            Assert.AreEqual(states[0], EventSourceState.CONNECTING);
            Assert.AreEqual(states[1], EventSourceState.CLOSED);
        }

        [TestMethod]
        public void TestSuccesfulConnection()
        {
            // setup
            Uri url = new Uri("http://test.com");
            CancellationTokenSource cts = new CancellationTokenSource();
            List<EventSourceState> states = new List<EventSourceState>();
            ServiceResponseMock response = new ServiceResponseMock(url, System.Net.HttpStatusCode.OK);
            WebRequesterFactoryMock factory = new WebRequesterFactoryMock(response);
            ManualResetEvent stateIsOpen = new ManualResetEvent(false);

            TestableEventSource es = new TestableEventSource(url, factory);
            es.StateChanged += (o, e) =>
            {
                states.Add(e.State);
                if (e.State == EventSourceState.OPEN)
                {
                    stateIsOpen.Set();
                    cts.Cancel();
                }
            };


            // act
            stateIsOpen.Reset();

            es.Start(cts.Token);

            stateIsOpen.WaitOne();

            // assert
            Assert.IsTrue(states.Count == 2);
            Assert.AreEqual(states[0], EventSourceState.CONNECTING);
            Assert.AreEqual(states[1], EventSourceState.OPEN);
        }


        [TestMethod]
        public void TestReConnectionAfterConnectionLost()
        {
            // setup
            Uri url = new Uri("http://test.com");
            CancellationTokenSource cts = new CancellationTokenSource();
            List<EventSourceState> states = new List<EventSourceState>();
            ServiceResponseMock serviceResponseMock = new ServiceResponseMock(url, System.Net.HttpStatusCode.OK);
            WebRequesterFactoryMock factory = new WebRequesterFactoryMock(serviceResponseMock);
            ManualResetEvent stateIsOpen = new ManualResetEvent(false);
            ManualResetEvent stateIsClosed = new ManualResetEvent(false);

            TestableEventSource es = new TestableEventSource(url, factory);
            es.StateChanged += (o, e) =>
            {
                states.Add(e.State);
                if (e.State == EventSourceState.OPEN)
                {
                    stateIsClosed.Reset();
                    stateIsOpen.Set();
                }
                else if (e.State == EventSourceState.CLOSED)
                {
                    stateIsOpen.Reset();
                    stateIsClosed.Set();
                }
            };


            // act
            stateIsOpen.Reset();

            es.Start(cts.Token);

            stateIsOpen.WaitOne();
            states.Clear();

            serviceResponseMock.DistantConnectionClose();

            stateIsClosed.WaitOrThrow();
            stateIsOpen.WaitOrThrow();

            // assert
            Assert.AreEqual(states[0], EventSourceState.CLOSED);
            Assert.AreEqual(states[1], EventSourceState.CONNECTING);
            Assert.AreEqual(states[2], EventSourceState.OPEN);
        }
    }
}