forked from npgsql/npgsql
-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathExceptionTests.cs
More file actions
181 lines (155 loc) · 7.22 KB
/
ExceptionTests.cs
File metadata and controls
181 lines (155 loc) · 7.22 KB
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
#region License
// The PostgreSQL License
//
// Copyright (C) 2015 The Npgsql Development Team
//
// Permission to use, copy, modify, and distribute this software and its
// documentation for any purpose, without fee, and without a written
// agreement is hereby granted, provided that the above copyright notice
// and this paragraph and the following two paragraphs appear in all copies.
//
// IN NO EVENT SHALL THE NPGSQL DEVELOPMENT TEAM BE LIABLE TO ANY PARTY
// FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES,
// INCLUDING LOST PROFITS, ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS
// DOCUMENTATION, EVEN IF THE NPGSQL DEVELOPMENT TEAM HAS BEEN ADVISED OF
// THE POSSIBILITY OF SUCH DAMAGE.
//
// THE NPGSQL DEVELOPMENT TEAM SPECIFICALLY DISCLAIMS ANY WARRANTIES,
// INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
// AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
// ON AN "AS IS" BASIS, AND THE NPGSQL DEVELOPMENT TEAM HAS NO OBLIGATIONS
// TO PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
#endregion
using System;
using System.Data;
using System.Threading.Tasks;
using System.Web.UI.WebControls;
using Npgsql;
using NpgsqlTypes;
using NUnit.Framework;
using NUnit.Framework.Constraints;
namespace Npgsql.Tests
{
[TestFixture]
public class ExceptionTests : TestBase
{
public ExceptionTests(string backendVersion) : base(backendVersion) { }
[Test, Description("Generates a basic server-side exception, checks that it's properly raised and populated")]
public void Basic()
{
// Make sure messages are in English
ExecuteNonQuery(@"SET lc_messages='English_United States.1252'");
ExecuteNonQuery(@"
CREATE OR REPLACE FUNCTION emit_exception() RETURNS VOID AS
'BEGIN RAISE EXCEPTION ''testexception'' USING ERRCODE = ''12345''; END;'
LANGUAGE 'plpgsql';
");
NpgsqlException ex = null;
try
{
ExecuteNonQuery("SELECT emit_exception()");
Assert.Fail("No exception was thrown");
}
catch (NpgsqlException e)
{
ex = e;
}
Assert.That(ex.MessageText, Is.EqualTo("testexception"));
Assert.That(ex.Severity, Is.EqualTo("ERROR"));
Assert.That(ex.Code, Is.EqualTo("12345"));
Assert.That(ex.Position, Is.EqualTo(0));
var data = ex.Data;
Assert.That(data["Severity"], Is.EqualTo("ERROR"));
Assert.That(data["Code"], Is.EqualTo("12345"));
Assert.That(data.Contains("Position"), Is.False);
Assert.That(ExecuteScalar("SELECT 1"), Is.EqualTo(1), "Connection in bad state after an exception");
}
[Test]
[MinPgVersion(9, 3, 0, "5 error fields haven't been added yet")]
public void ExceptionFieldsArePopulated()
{
const string dropTable = @"DROP TABLE IF EXISTS public.uniqueviolation";
const string createTable = @"CREATE TABLE public.uniqueviolation (id INT NOT NULL, CONSTRAINT uniqueviolation_pkey PRIMARY KEY (id))";
const string insertStatement = @"INSERT INTO public.uniqueviolation (id) VALUES(1)";
// In this case we'll test a simple unique violation, we're not too interested in testing more
// cases than this as the same code is executed in all error situations.
try
{
var command = new NpgsqlCommand(dropTable, Conn);
command.ExecuteNonQuery();
command = new NpgsqlCommand(createTable, Conn);
command.ExecuteNonQuery();
command = new NpgsqlCommand(insertStatement, Conn);
command.ExecuteNonQuery();
//Now cause the unique violation...
command.ExecuteNonQuery();
}
catch (NpgsqlException ex)
{
Assert.That(ex.ColumnName, Is.Null, "ColumnName should not be populated for unique violations");
Assert.That(ex.TableName, Is.EqualTo("uniqueviolation"));
Assert.That(ex.SchemaName, Is.EqualTo("public"));
Assert.That(ex.ConstraintName, Is.EqualTo("uniqueviolation_pkey"));
Assert.That(ex.DataTypeName, Is.Null, "DataTypeName should not be populated for unique violations");
}
}
[Test]
[MinPgVersion(9, 3, 0, "5 error fields haven't been added yet")]
public void ColumnNameExceptionFieldIsPopulated()
{
const string dropTable = @"DROP TABLE IF EXISTS public.notnullviolation";
const string createTable = @"CREATE TABLE public.notnullviolation (id INT NOT NULL)";
const string insertStatement = @"INSERT INTO public.notnullviolation (id) VALUES(NULL)";
try
{
var command = new NpgsqlCommand(dropTable, Conn);
command.ExecuteNonQuery();
command = new NpgsqlCommand(createTable, Conn);
command.ExecuteNonQuery();
command = new NpgsqlCommand(insertStatement, Conn);
//Cause the NOT NULL violation
command.ExecuteNonQuery();
}
catch (NpgsqlException ex)
{
Assert.AreEqual("public", ex.SchemaName);
Assert.AreEqual("notnullviolation", ex.TableName);
Assert.AreEqual("id", ex.ColumnName);
}
}
[Test]
[MinPgVersion(9, 3, 0, "5 error fields haven't been added yet")]
public void DataTypeNameExceptionFieldIsPopulated()
{
// On reading the source code for PostgreSQL9.3beta1, the only time that the
// datatypename field is populated is when using domain types. So here we'll
// create a domain that simply does not allow NULLs then try and cast NULL
// to it.
const string dropDomain = @"DROP DOMAIN IF EXISTS public.intnotnull";
const string createDomain = @"CREATE DOMAIN public.intnotnull AS INT NOT NULL";
const string castStatement = @"SELECT CAST(NULL AS public.intnotnull)";
try
{
var command = new NpgsqlCommand(dropDomain, Conn);
command.ExecuteNonQuery();
command = new NpgsqlCommand(createDomain, Conn);
command.ExecuteNonQuery();
command = new NpgsqlCommand(castStatement, Conn);
//Cause the NOT NULL violation
command.ExecuteNonQuery();
}
catch (NpgsqlException ex)
{
Assert.AreEqual("public", ex.SchemaName);
Assert.AreEqual("intnotnull", ex.DataTypeName);
}
}
[Test]
public void NpgsqlExceptionInAsync()
{
Assert.That(async () => await ExecuteNonQueryAsync("MALFORMED"), Throws.Exception.TypeOf<NpgsqlException>());
// Just in case, anything but an NpgsqlException would trigger the connection breaking, check that
Assert.That(Conn.FullState, Is.EqualTo(ConnectionState.Open));
}
}
}