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
|
// Copyright 2009-2022 Josh Close
// This file is a part of CsvHelper and is dual licensed under MS-PL and Apache 2.0.
// See LICENSE.txt for details or visit http://www.opensource.org/licenses/ms-pl.html for MS-PL and http://opensource.org/licenses/Apache-2.0 for Apache 2.0.
// https://github.com/JoshClose/CsvHelper
using CsvHelper.Configuration;
using System;
using System.Globalization;
using System.IO;
using System.Linq;
using Xunit;
namespace CsvHelper.Tests.Mappings
{
public class RuntimeMapping
{
[Fact]
public void ConstantTest()
{
using (var stream = new MemoryStream())
using (var writer = new StreamWriter(stream))
using (var reader = new StreamReader(stream))
using (var csv = new CsvReader(reader, CultureInfo.InvariantCulture))
{
writer.WriteLine("AId,BId,CId");
writer.WriteLine("1,2,3");
writer.Flush();
stream.Position = 0;
var map = new DefaultClassMap<A>();
var type = typeof(A);
var member = type.GetProperty("AId");
map.Map(type, member).Constant(4);
csv.Context.RegisterClassMap(map);
var records = csv.GetRecords<A>().ToList();
Assert.Equal(4, records[0].AId);
}
}
[Fact]
public void DefaultTest()
{
using (var stream = new MemoryStream())
using (var writer = new StreamWriter(stream))
using (var reader = new StreamReader(stream))
using (var csv = new CsvReader(reader, CultureInfo.InvariantCulture))
{
writer.WriteLine("AId,BId,CId");
writer.WriteLine(",2,3");
writer.Flush();
stream.Position = 0;
var map = new DefaultClassMap<A>();
var type = typeof(A);
var member = type.GetProperty("AId");
map.Map(type, member).Default(4);
csv.Context.RegisterClassMap(map);
var records = csv.GetRecords<A>().ToList();
Assert.Equal(4, records[0].AId);
}
}
[Fact]
public void ConstantNullableTest()
{
using (var stream = new MemoryStream())
using (var writer = new StreamWriter(stream))
using (var reader = new StreamReader(stream))
using (var csv = new CsvReader(reader, CultureInfo.InvariantCulture))
{
writer.WriteLine("AId,BId,CId,NullableNum");
writer.WriteLine("1,2,3,1");
writer.Flush();
stream.Position = 0;
var map = new DefaultClassMap<A>();
var type = typeof(A);
var member = type.GetProperty("NullableNum");
map.Map(type, member).Constant(4);
csv.Context.RegisterClassMap(map);
var records = csv.GetRecords<A>().ToList();
Assert.Equal(4, records[0].NullableNum);
}
}
[Fact]
public void DefaultNullableTest()
{
using (var stream = new MemoryStream())
using (var writer = new StreamWriter(stream))
using (var reader = new StreamReader(stream))
using (var csv = new CsvReader(reader, CultureInfo.InvariantCulture))
{
writer.WriteLine("AId,BId,CId,NullableNum");
writer.WriteLine("1,2,3,");
writer.Flush();
stream.Position = 0;
var map = new DefaultClassMap<A>();
var type = typeof(A);
var member = type.GetProperty("NullableNum");
map.Map(type, member).Default(4);
csv.Context.RegisterClassMap(map);
var records = csv.GetRecords<A>().ToList();
Assert.Equal(4, records[0].NullableNum);
}
}
[Fact]
public void ConstantValueTypeNullTest()
{
Assert.Throws<ArgumentException>(() => new ConstantValueTypeNullMap());
}
[Fact]
public void ConstantTypeMismatchTest()
{
Assert.Throws<ArgumentException>(() => new ConstantTypeMismatchMap());
}
[Fact]
public void DefaultValueTypeNullTest()
{
Assert.Throws<ArgumentException>(() => new DefaultValueTypeNullMap());
}
[Fact]
public void DefaultTypeMismatchTest()
{
Assert.Throws<ArgumentException>(() => new DefaultTypeMismatchMap());
}
private class A
{
public int AId { get; set; }
public int? NullableNum { get; set; }
public B B { get; set; }
}
private class B
{
public int BId { get; set; }
public C C { get; set; }
}
private class C
{
public int CId { get; set; }
}
private class ObjectProperty
{
public object O { get; set; }
}
private class ConstantValueTypeNullMap : ClassMap<A>
{
public ConstantValueTypeNullMap()
{
Map(m => m.AId).Constant(null);
}
}
private class ConstantTypeMismatchMap : ClassMap<A>
{
public ConstantTypeMismatchMap()
{
Map(m => m.AId).Constant((uint)1);
}
}
private class DefaultValueTypeNullMap : ClassMap<A>
{
public DefaultValueTypeNullMap()
{
Map(m => m.AId).Constant(null);
}
}
private class DefaultTypeMismatchMap : ClassMap<A>
{
public DefaultTypeMismatchMap()
{
Map(m => m.AId).Constant((uint)1);
}
}
}
}
|
