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
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
|
// Copyright (c) Microsoft Corporation. All rights reserved. See License.txt in the project root for license information.
using System.Collections.Generic;
using System.Globalization;
using System.IO;
using System.Runtime.Serialization.Formatters.Binary;
using System.Web.TestUtil;
using Xunit;
using Assert = Microsoft.TestCommon.AssertEx;
namespace System.Web.Mvc.Test
{
public class ModelStateDictionaryTest
{
[Fact]
public void AddModelErrorCreatesModelStateIfNotPresent()
{
// Arrange
ModelStateDictionary dictionary = new ModelStateDictionary();
// Act
dictionary.AddModelError("some key", "some error");
// Assert
KeyValuePair<string, ModelState> kvp = Assert.Single(dictionary);
Assert.Equal("some key", kvp.Key);
ModelError error = Assert.Single(kvp.Value.Errors);
Assert.Equal("some error", error.ErrorMessage);
}
[Fact]
public void AddModelErrorThrowsIfKeyIsNull()
{
// Arrange
ModelStateDictionary dictionary = new ModelStateDictionary();
// Act & Assert
Assert.ThrowsArgumentNull(
delegate { dictionary.AddModelError(null, (string)null); }, "key");
}
[Fact]
public void AddModelErrorUsesExistingModelStateIfPresent()
{
// Arrange
ModelStateDictionary dictionary = new ModelStateDictionary();
dictionary.AddModelError("some key", "some error");
Exception ex = new Exception();
// Act
dictionary.AddModelError("some key", ex);
// Assert
KeyValuePair<string, ModelState> kvp = Assert.Single(dictionary);
Assert.Equal("some key", kvp.Key);
Assert.Equal(2, kvp.Value.Errors.Count);
Assert.Equal("some error", kvp.Value.Errors[0].ErrorMessage);
Assert.Same(ex, kvp.Value.Errors[1].Exception);
}
[Fact]
public void ConstructorThrowsIfDictionaryIsNull()
{
// Act & assert
Assert.ThrowsArgumentNull(
delegate { new ModelStateDictionary((ModelStateDictionary)null); }, "dictionary");
}
[Fact]
public void ConstructorWithDictionaryParameter()
{
// Arrange
ModelStateDictionary oldDictionary = new ModelStateDictionary()
{
{ "foo", new ModelState() { Value = HtmlHelperTest.GetValueProviderResult("bar", "bar") } }
};
// Act
ModelStateDictionary newDictionary = new ModelStateDictionary(oldDictionary);
// Assert
Assert.Single(newDictionary);
Assert.Equal("bar", newDictionary["foo"].Value.ConvertTo(typeof(string)));
}
[Fact]
public void DictionaryInterface()
{
// Arrange
DictionaryHelper<string, ModelState> helper = new DictionaryHelper<string, ModelState>()
{
Creator = () => new ModelStateDictionary(),
Comparer = StringComparer.OrdinalIgnoreCase,
SampleKeys = new string[] { "foo", "bar", "baz", "quux", "QUUX" },
SampleValues = new ModelState[] { new ModelState(), new ModelState(), new ModelState(), new ModelState(), new ModelState() },
ThrowOnKeyNotFound = false
};
// Act & assert
helper.Execute();
}
[Fact]
public void DictionaryIsSerializable()
{
// Arrange
MemoryStream stream = new MemoryStream();
BinaryFormatter formatter = new BinaryFormatter();
ModelStateDictionary originalDict = new ModelStateDictionary();
originalDict.AddModelError("foo", new InvalidOperationException("Some invalid operation."));
originalDict.AddModelError("foo", new InvalidOperationException("Some other invalid operation."));
originalDict.AddModelError("bar", "Some exception text.");
originalDict.SetModelValue("baz", new ValueProviderResult("rawValue", "attemptedValue", CultureInfo.GetCultureInfo("fr-FR")));
// Act
formatter.Serialize(stream, originalDict);
stream.Position = 0;
ModelStateDictionary deserializedDict = formatter.Deserialize(stream) as ModelStateDictionary;
// Assert
Assert.NotNull(deserializedDict);
Assert.Equal(3, deserializedDict.Count);
ModelState foo = deserializedDict["FOO"];
Assert.IsType<InvalidOperationException>(foo.Errors[0].Exception);
Assert.Equal("Some invalid operation.", foo.Errors[0].Exception.Message);
Assert.IsType<InvalidOperationException>(foo.Errors[1].Exception);
Assert.Equal("Some other invalid operation.", foo.Errors[1].Exception.Message);
ModelState bar = deserializedDict["BAR"];
Assert.Equal("Some exception text.", bar.Errors[0].ErrorMessage);
ModelState baz = deserializedDict["BAZ"];
Assert.Equal("rawValue", baz.Value.RawValue);
Assert.Equal("attemptedValue", baz.Value.AttemptedValue);
Assert.Equal(CultureInfo.GetCultureInfo("fr-FR"), baz.Value.Culture);
}
[Fact]
public void IsValidFieldReturnsFalseIfDictionaryDoesNotContainKey()
{
// Arrange
ModelStateDictionary msd = new ModelStateDictionary();
// Act
bool isValid = msd.IsValidField("foo");
// Assert
Assert.True(isValid);
}
[Fact]
public void IsValidFieldReturnsFalseIfKeyChildContainsErrors()
{
// Arrange
ModelStateDictionary msd = new ModelStateDictionary();
msd.AddModelError("foo.bar", "error text");
// Act
bool isValid = msd.IsValidField("foo");
// Assert
Assert.False(isValid);
}
[Fact]
public void IsValidFieldReturnsFalseIfKeyContainsErrors()
{
// Arrange
ModelStateDictionary msd = new ModelStateDictionary();
msd.AddModelError("foo", "error text");
// Act
bool isValid = msd.IsValidField("foo");
// Assert
Assert.False(isValid);
}
[Fact]
public void IsValidFieldReturnsTrueIfModelStateDoesNotContainErrors()
{
// Arrange
ModelStateDictionary msd = new ModelStateDictionary()
{
{ "foo", new ModelState() { Value = new ValueProviderResult(null, null, null) } }
};
// Act
bool isValid = msd.IsValidField("foo");
// Assert
Assert.True(isValid);
}
[Fact]
public void IsValidFieldThrowsIfKeyIsNull()
{
// Arrange
ModelStateDictionary msd = new ModelStateDictionary();
// Act & assert
Assert.ThrowsArgumentNull(
delegate { msd.IsValidField(null); }, "key");
}
[Fact]
public void IsValidPropertyReturnsFalseIfErrors()
{
// Arrange
ModelState errorState = new ModelState() { Value = HtmlHelperTest.GetValueProviderResult("quux", "quux") };
errorState.Errors.Add("some error");
ModelStateDictionary dictionary = new ModelStateDictionary()
{
{ "foo", new ModelState() { Value = HtmlHelperTest.GetValueProviderResult("bar", "bar") } },
{ "baz", errorState }
};
// Act
bool isValid = dictionary.IsValid;
// Assert
Assert.False(isValid);
}
[Fact]
public void IsValidPropertyReturnsTrueIfNoErrors()
{
// Arrange
ModelStateDictionary dictionary = new ModelStateDictionary()
{
{ "foo", new ModelState() { Value = HtmlHelperTest.GetValueProviderResult("bar", "bar") } },
{ "baz", new ModelState() { Value = HtmlHelperTest.GetValueProviderResult("quux", "bar") } }
};
// Act
bool isValid = dictionary.IsValid;
// Assert
Assert.True(isValid);
}
[Fact]
public void MergeCopiesDictionaryEntries()
{
// Arrange
ModelStateDictionary fooDict = new ModelStateDictionary() { { "foo", new ModelState() } };
ModelStateDictionary barDict = new ModelStateDictionary() { { "bar", new ModelState() } };
// Act
fooDict.Merge(barDict);
// Assert
Assert.Equal(2, fooDict.Count);
Assert.Equal(barDict["bar"], fooDict["bar"]);
}
[Fact]
public void MergeDoesNothingIfParameterIsNull()
{
// Arrange
ModelStateDictionary fooDict = new ModelStateDictionary() { { "foo", new ModelState() } };
// Act
fooDict.Merge(null);
// Assert
Assert.Single(fooDict);
Assert.True(fooDict.ContainsKey("foo"));
}
[Fact]
public void SetAttemptedValueCreatesModelStateIfNotPresent()
{
// Arrange
ModelStateDictionary dictionary = new ModelStateDictionary();
// Act
dictionary.SetModelValue("some key", HtmlHelperTest.GetValueProviderResult("some value", "some value"));
// Assert
Assert.Single(dictionary);
ModelState modelState = dictionary["some key"];
Assert.Empty(modelState.Errors);
Assert.Equal("some value", modelState.Value.ConvertTo(typeof(string)));
}
[Fact]
public void SetAttemptedValueUsesExistingModelStateIfPresent()
{
// Arrange
ModelStateDictionary dictionary = new ModelStateDictionary();
dictionary.AddModelError("some key", "some error");
Exception ex = new Exception();
// Act
dictionary.SetModelValue("some key", HtmlHelperTest.GetValueProviderResult("some value", "some value"));
// Assert
Assert.Single(dictionary);
ModelState modelState = dictionary["some key"];
Assert.Single(modelState.Errors);
Assert.Equal("some error", modelState.Errors[0].ErrorMessage);
Assert.Equal("some value", modelState.Value.ConvertTo(typeof(string)));
}
}
}
|
