summaryrefslogtreecommitdiff
path: root/external/aspnetwebstack/test/System.Web.Http.Test/HttpResponseMessageExtensionsTest.cs
blob: ed709b7a7dad1f98403482883f5fc4a435789a76 (plain)
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
// Copyright (c) Microsoft Corporation. All rights reserved. See License.txt in the project root for license information.

using System.Collections.Generic;
using System.Net.Http.Formatting;
using Moq;
using Xunit;
using Xunit.Extensions;
using Assert = Microsoft.TestCommon.AssertEx;

namespace System.Net.Http
{
    public class HttpResponseMessageExtensionsTest
    {
        private readonly HttpResponseMessage _response = new HttpResponseMessage();
        private readonly Mock<MediaTypeFormatter> _formatterMock = new Mock<MediaTypeFormatter>();

        public HttpResponseMessageExtensionsTest()
        {
            _formatterMock.Setup(f => f.CanWriteType(It.IsAny<Type>())).Returns(true);
        }

        [Fact]
        public void TryGetContentValue_WhenResponseParameterIsNull_Throws()
        {
            object value;
            Assert.ThrowsArgumentNull(() => HttpResponseMessageExtensions.TryGetContentValue<object>(null, out value), "response");
        }

        [Theory]
        [InlineData(default(bool))]
        [InlineData(default(int))]
        [InlineData(default(object))]
        public void TryGetContentValue_WhenResponseHasNoContent_ReturnsFalse<T>(T expectedResult)
        {
            T value;

            Assert.False(_response.TryGetContentValue<T>(out value));

            Assert.Equal(expectedResult, value);
        }


        [Theory]
        [InlineData(default(bool))]
        [InlineData(default(int))]
        [InlineData(default(object))]
        public void TryGetContentValue_WhenResponseHasNonObjectContent_ReturnsFalse<T>(T expectedResult)
        {
            _response.Content = new StringContent("43");
            T value;

            Assert.False(_response.TryGetContentValue<T>(out value));

            Assert.Equal(expectedResult, value);
        }

        [Theory]
        [InlineData(default(bool))]
        [InlineData(default(int))]
        [InlineData(default(object))]
        public void TryGetContentValue_WhenResponseHasObjectContentWithNullValue_ReturnsFalse<T>(T expectedResult)
        {
            _response.Content = new ObjectContent(typeof(object), null, _formatterMock.Object);
            T value;

            Assert.False(_response.TryGetContentValue<T>(out value));

            Assert.Equal(expectedResult, value);
        }

        [Theory]
        [InlineData(default(bool))]
        [InlineData(default(int))]
        public void TryGetContentValue_WhenResponseHasObjectContentWithIncompatibleValue_ReturnsFalse<T>(T expectedResult)
        {
            _response.Content = new ObjectContent<string>("42", _formatterMock.Object);
            T value;

            Assert.False(_response.TryGetContentValue<T>(out value));

            Assert.Equal(expectedResult, value);
        }

        [Fact]
        public void TryGetContentValue_WhenResponseHasObjectContentWithCompatibleValue_ReturnsTrue()
        {
            List<string> value = new List<string>();
            _response.Content = new ObjectContent<List<string>>(value, _formatterMock.Object);
            IList<string> result;

            Assert.True(_response.TryGetContentValue(out result));

            Assert.Same(value, result);
        }

        [Fact]
        public void TryGetContentValue_WhenResponseHasObjectContentValueTypeValue_RetrievingAsObjectReturnsTrue()
        {
            _response.Content = new ObjectContent<int>(32, _formatterMock.Object);
            object result;

            Assert.True(_response.TryGetContentValue(out result));

            Assert.Equal(32, result);
        }
    }
}