forked from danbarua/Npgsql
-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathExceptionTests.cs
More file actions
160 lines (137 loc) · 6.28 KB
/
ExceptionTests.cs
File metadata and controls
160 lines (137 loc) · 6.28 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
// project created on 30/11/2002 at 22:00
//
// Author:
// David Rowley <dgrowley@gmail.com>
// Francisco Figueiredo Jr. <fxjrlists@yahoo.com>
//
// Copyright (C) 2002 The Npgsql Development Team
// npgsql-general@gborg.postgresql.org
// http://gborg.postgresql.org/project/npgsql/projdisplay.php
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
using System;
using System.Data;
using System.Web.UI.WebControls;
using Npgsql;
using NpgsqlTypes;
using NUnit.Framework;
namespace NpgsqlTests
{
[TestFixture]
public class ExceptionTests : TestBase
{
public ExceptionTests(string backendVersion) : base(backendVersion) { }
[Test]
public void ProblemSqlInsideException()
{
const string sql = "selec 1 as test";
try
{
var command = new NpgsqlCommand(sql, Conn);
command.ExecuteReader();
}
catch (NpgsqlException ex)
{
Assert.AreEqual(sql, ex.ErrorSql);
}
}
[Test]
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)";
// Since the 5 error fields were added as of PostgreSQL 9.3, we'll skip testing for versions previous to that.
if (Conn.PostgreSqlVersion < new Version("9.3"))
Assert.Ignore("Postgres version is {0} (< 9.3))", Conn.PostgreSqlVersion);
// 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.AreEqual("", ex.ColumnName); // Should not be populated for unique violations.
Assert.AreEqual("uniqueviolation", ex.TableName);
Assert.AreEqual("public", ex.SchemaName);
Assert.AreEqual("uniqueviolation_pkey", ex.ConstraintName);
Assert.AreEqual("", ex.DataTypeName); // Should not be populated for unique violations.
}
}
[Test]
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)";
// Since the 5 error fields were added as of PostgreSQL 9.3, we'll skip testing for versions previous to that.
if (Conn.PostgreSqlVersion < new Version("9.3"))
Assert.Ignore("Postgres version is {0} (< 9.3))", Conn.PostgreSqlVersion);
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]
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)";
// Since the 5 error fields were added as of PostgreSQL 9.3, we'll skip testing for versions previous to that.
if (Conn.PostgreSqlVersion < new Version("9.3"))
Assert.Ignore("Postgres version is {0} (< 9.3))", Conn.PostgreSqlVersion);
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);
}
}
}
}