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
166
167
168
169
170
171
172
173
174
|
// Copyright (c) Microsoft Corporation. All rights reserved. See License.txt in the project root for license information.
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Linq;
using System.Reflection;
using Xunit;
using Assert = Microsoft.TestCommon.AssertEx;
namespace System.Web.Mvc.Test
{
public class ReflectedParameterBindingInfoTest
{
[Fact]
public void BinderProperty()
{
// Arrange
ParameterInfo pInfo = typeof(MyController).GetMethod("ParameterHasSingleModelBinderAttribute").GetParameters()[0];
ReflectedParameterBindingInfo bindingInfo = new ReflectedParameterBindingInfo(pInfo);
// Act
IModelBinder binder = bindingInfo.Binder;
// Assert
Assert.IsType<MyModelBinder>(binder);
}
[Fact]
public void BinderPropertyThrowsIfMultipleBinderAttributesFound()
{
// Arrange
ParameterInfo pInfo = typeof(MyController).GetMethod("ParameterHasMultipleModelBinderAttributes").GetParameters()[0];
ReflectedParameterBindingInfo bindingInfo = new ReflectedParameterBindingInfo(pInfo);
// Act & assert
Assert.Throws<InvalidOperationException>(
delegate { IModelBinder binder = bindingInfo.Binder; },
"The parameter 'p1' on method 'Void ParameterHasMultipleModelBinderAttributes(System.Object)' contains multiple attributes that inherit from CustomModelBinderAttribute.");
}
[Fact]
public void ExcludeProperty()
{
// Arrange
ParameterInfo pInfo = typeof(MyController).GetMethod("ParameterHasBindAttribute").GetParameters()[0];
ReflectedParameterBindingInfo bindingInfo = new ReflectedParameterBindingInfo(pInfo);
// Act
ICollection<string> excludes = bindingInfo.Exclude;
// Assert
Assert.IsType<ReadOnlyCollection<string>>(excludes);
string[] excludesArray = excludes.ToArray();
Assert.Equal(2, excludesArray.Length);
Assert.Equal("excl_a", excludesArray[0]);
Assert.Equal("excl_b", excludesArray[1]);
}
[Fact]
public void ExcludePropertyReturnsEmptyArrayIfNoBindAttributeSpecified()
{
// Arrange
ParameterInfo pInfo = typeof(MyController).GetMethod("ParameterHasNoBindAttributes").GetParameters()[0];
ReflectedParameterBindingInfo bindingInfo = new ReflectedParameterBindingInfo(pInfo);
// Act
ICollection<string> excludes = bindingInfo.Exclude;
// Assert
Assert.NotNull(excludes);
Assert.Empty(excludes);
}
[Fact]
public void IncludeProperty()
{
// Arrange
ParameterInfo pInfo = typeof(MyController).GetMethod("ParameterHasBindAttribute").GetParameters()[0];
ReflectedParameterBindingInfo bindingInfo = new ReflectedParameterBindingInfo(pInfo);
// Act
ICollection<string> includes = bindingInfo.Include;
// Assert
Assert.IsType<ReadOnlyCollection<string>>(includes);
string[] includesArray = includes.ToArray();
Assert.Equal(2, includesArray.Length);
Assert.Equal("incl_a", includesArray[0]);
Assert.Equal("incl_b", includesArray[1]);
}
[Fact]
public void IncludePropertyReturnsEmptyArrayIfNoBindAttributeSpecified()
{
// Arrange
ParameterInfo pInfo = typeof(MyController).GetMethod("ParameterHasNoBindAttributes").GetParameters()[0];
ReflectedParameterBindingInfo bindingInfo = new ReflectedParameterBindingInfo(pInfo);
// Act
ICollection<string> includes = bindingInfo.Include;
// Assert
Assert.NotNull(includes);
Assert.Empty(includes);
}
[Fact]
public void PrefixProperty()
{
// Arrange
ParameterInfo pInfo = typeof(MyController).GetMethod("ParameterHasBindAttribute").GetParameters()[0];
ReflectedParameterBindingInfo bindingInfo = new ReflectedParameterBindingInfo(pInfo);
// Act
string prefix = bindingInfo.Prefix;
// Assert
Assert.Equal("some prefix", prefix);
}
[Fact]
public void PrefixPropertyReturnsNullIfNoBindAttributeSpecified()
{
// Arrange
ParameterInfo pInfo = typeof(MyController).GetMethod("ParameterHasNoBindAttributes").GetParameters()[0];
ReflectedParameterBindingInfo bindingInfo = new ReflectedParameterBindingInfo(pInfo);
// Act
string prefix = bindingInfo.Prefix;
// Assert
Assert.Null(prefix);
}
private class MyController : Controller
{
public void ParameterHasBindAttribute(
[Bind(Prefix = "some prefix", Include = "incl_a, incl_b", Exclude = "excl_a, excl_b")] object p1)
{
}
public void ParameterHasNoBindAttributes(object p1)
{
}
public void ParameterHasSingleModelBinderAttribute([ModelBinder(typeof(MyModelBinder))] object p1)
{
}
public void ParameterHasMultipleModelBinderAttributes([MyCustomModelBinder, MyCustomModelBinder] object p1)
{
}
}
[AttributeUsage(AttributeTargets.Parameter, AllowMultiple = true, Inherited = true)]
private class MyCustomModelBinderAttribute : CustomModelBinderAttribute
{
public override IModelBinder GetBinder()
{
throw new NotImplementedException();
}
}
private class MyModelBinder : IModelBinder
{
public object BindModel(ControllerContext controllerContext, ModelBindingContext bindingContext)
{
throw new NotImplementedException();
}
}
}
}
|
