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
|
// Copyright (c) Microsoft Corporation. All rights reserved. See License.txt in the project root for license information.
using System.Web.Http.Metadata.Providers;
using System.Web.Http.Util;
using Moq;
using Xunit;
using Assert = Microsoft.TestCommon.AssertEx;
namespace System.Web.Http.ModelBinding.Binders
{
public class SimpleModelBinderProviderTest
{
[Fact]
public void ConstructorWithFactoryThrowsIfModelBinderFactoryIsNull()
{
// Act & assert
Assert.ThrowsArgumentNull(
() => new SimpleModelBinderProvider(typeof(object), (Func<IModelBinder>)null),
"modelBinderFactory");
}
[Fact]
public void ConstructorWithFactoryThrowsIfModelTypeIsNull()
{
// Act & assert
Assert.ThrowsArgumentNull(
() => new SimpleModelBinderProvider(null, () => null),
"modelType");
}
[Fact]
public void ConstructorWithInstanceThrowsIfModelBinderIsNull()
{
// Act & assert
Assert.ThrowsArgumentNull(
() => new SimpleModelBinderProvider(typeof(object), (IModelBinder)null),
"modelBinder");
}
[Fact]
public void ConstructorWithInstanceThrowsIfModelTypeIsNull()
{
// Act & assert
Assert.ThrowsArgumentNull(
() => new SimpleModelBinderProvider(null, new Mock<IModelBinder>().Object),
"modelType");
}
[Fact]
public void GetBinder_TypeDoesNotMatch_ReturnsNull()
{
// Arrange
SimpleModelBinderProvider provider = new SimpleModelBinderProvider(typeof(string), new Mock<IModelBinder>().Object)
{
SuppressPrefixCheck = true
};
ModelBindingContext bindingContext = GetBindingContext(typeof(object));
// Act
IModelBinder binder = provider.GetBinder(null, bindingContext);
// Assert
Assert.Null(binder);
}
[Fact]
public void GetBinder_TypeMatches_PrefixNotFound_ReturnsNull()
{
// Arrange
IModelBinder binderInstance = new Mock<IModelBinder>().Object;
SimpleModelBinderProvider provider = new SimpleModelBinderProvider(typeof(string), binderInstance);
ModelBindingContext bindingContext = GetBindingContext(typeof(string));
bindingContext.ValueProvider = new SimpleHttpValueProvider();
// Act
IModelBinder returnedBinder = provider.GetBinder(null, bindingContext);
// Assert
Assert.Null(returnedBinder);
}
[Fact]
public void GetBinder_TypeMatches_PrefixSuppressed_ReturnsFactoryInstance()
{
// Arrange
int numExecutions = 0;
IModelBinder theBinderInstance = new Mock<IModelBinder>().Object;
Func<IModelBinder> factory = delegate
{
numExecutions++;
return theBinderInstance;
};
SimpleModelBinderProvider provider = new SimpleModelBinderProvider(typeof(string), factory)
{
SuppressPrefixCheck = true
};
ModelBindingContext bindingContext = GetBindingContext(typeof(string));
// Act
IModelBinder returnedBinder = provider.GetBinder(null, bindingContext);
returnedBinder = provider.GetBinder(null, bindingContext);
// Assert
Assert.Equal(2, numExecutions);
Assert.Equal(theBinderInstance, returnedBinder);
}
[Fact]
public void GetBinder_TypeMatches_PrefixSuppressed_ReturnsInstance()
{
// Arrange
IModelBinder theBinderInstance = new Mock<IModelBinder>().Object;
SimpleModelBinderProvider provider = new SimpleModelBinderProvider(typeof(string), theBinderInstance)
{
SuppressPrefixCheck = true
};
ModelBindingContext bindingContext = GetBindingContext(typeof(string));
// Act
IModelBinder returnedBinder = provider.GetBinder(null, bindingContext);
// Assert
Assert.Equal(theBinderInstance, returnedBinder);
}
[Fact]
public void GetBinderThrowsIfBindingContextIsNull()
{
// Arrange
SimpleModelBinderProvider provider = new SimpleModelBinderProvider(typeof(string), new Mock<IModelBinder>().Object);
// Act & assert
Assert.ThrowsArgumentNull(
delegate { provider.GetBinder(null, null); }, "bindingContext");
}
[Fact]
public void ModelTypeProperty()
{
// Arrange
SimpleModelBinderProvider provider = new SimpleModelBinderProvider(typeof(string), new Mock<IModelBinder>().Object);
// Act & assert
Assert.Equal(typeof(string), provider.ModelType);
}
private static ModelBindingContext GetBindingContext(Type modelType)
{
return new ModelBindingContext
{
ModelMetadata = new EmptyModelMetadataProvider().GetMetadataForType(() => null, modelType)
};
}
}
}
|
