aboutsummaryrefslogtreecommitdiffstats
path: root/activerecord/test/cases/column_definition_test.rb
blob: bd2fbaa7dbc7fb856f0988cdd644c4293229cb1f (plain) (blame)
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
require "cases/helper"

module ActiveRecord
  module ConnectionAdapters
    class ColumnDefinitionTest < ActiveRecord::TestCase
      def setup
        @adapter = AbstractAdapter.new(nil)
        def @adapter.native_database_types
          {:string => "varchar"}
        end
      end

      def test_can_set_coder
        column = Column.new("title", nil, "varchar(20)")
        column.coder = YAML
        assert_equal YAML, column.coder
      end

      def test_encoded?
        column = Column.new("title", nil, "varchar(20)")
        assert !column.encoded?

        column.coder = YAML
        assert column.encoded?
      end

      def test_type_case_coded_column
        column = Column.new("title", nil, "varchar(20)")
        column.coder = YAML
        assert_equal "hello", column.type_cast("--- hello")
      end

      # Avoid column definitions in create table statements like:
      # `title` varchar(255) DEFAULT NULL
      def test_should_not_include_default_clause_when_default_is_null
        column = Column.new("title", nil, "varchar(20)")
        column_def = ColumnDefinition.new(
          @adapter, column.name, "string",
          column.limit, column.precision, column.scale, column.default, column.null)
          assert_equal "title varchar(20)", column_def.to_sql
      end

      def test_should_include_default_clause_when_default_is_present
        column = Column.new("title", "Hello", "varchar(20)")
        column_def = ColumnDefinition.new(
          @adapter, column.name, "string",
          column.limit, column.precision, column.scale, column.default, column.null)
          assert_equal %Q{title varchar(20) DEFAULT 'Hello'}, column_def.to_sql
      end

      def test_should_specify_not_null_if_null_option_is_false
        column = Column.new("title", "Hello", "varchar(20)", false)
        column_def = ColumnDefinition.new(
          @adapter, column.name, "string",
          column.limit, column.precision, column.scale, column.default, column.null)
          assert_equal %Q{title varchar(20) DEFAULT 'Hello' NOT NULL}, column_def.to_sql
      end

      if current_adapter?(:MysqlAdapter)
        def test_should_set_default_for_mysql_binary_data_types
          binary_column = MysqlAdapter::Column.new("title", "a", "binary(1)")
          assert_equal "a", binary_column.default

          varbinary_column = MysqlAdapter::Column.new("title", "a", "varbinary(1)")
          assert_equal "a", varbinary_column.default
        end

        def test_should_not_set_default_for_blob_and_text_data_types
          assert_raise ArgumentError do
            MysqlAdapter::Column.new("title", "a", "blob")
          end

          assert_raise ArgumentError do
            MysqlAdapter::Column.new("title", "Hello", "text")
          end

          text_column = MysqlAdapter::Column.new("title", nil, "text")
          assert_equal nil, text_column.default

          not_null_text_column = MysqlAdapter::Column.new("title", nil, "text", false)
          assert_equal "", not_null_text_column.default
        end

        def test_has_default_should_return_false_for_blog_and_test_data_types
          blob_column = MysqlAdapter::Column.new("title", nil, "blob")
          assert !blob_column.has_default?

          text_column = MysqlAdapter::Column.new("title", nil, "text")
          assert !text_column.has_default?
        end
      end

      if current_adapter?(:Mysql2Adapter)
        def test_should_set_default_for_mysql_binary_data_types
          binary_column = Mysql2Adapter::Column.new("title", "a", "binary(1)")
          assert_equal "a", binary_column.default

          varbinary_column = Mysql2Adapter::Column.new("title", "a", "varbinary(1)")
          assert_equal "a", varbinary_column.default
        end

        def test_should_not_set_default_for_blob_and_text_data_types
          assert_raise ArgumentError do
            Mysql2Adapter::Column.new("title", "a", "blob")
          end

          assert_raise ArgumentError do
            Mysql2Adapter::Column.new("title", "Hello", "text")
          end

          text_column = Mysql2Adapter::Column.new("title", nil, "text")
          assert_equal nil, text_column.default

          not_null_text_column = Mysql2Adapter::Column.new("title", nil, "text", false)
          assert_equal "", not_null_text_column.default
        end

        def test_has_default_should_return_false_for_blog_and_test_data_types
          blob_column = Mysql2Adapter::Column.new("title", nil, "blob")
          assert !blob_column.has_default?

          text_column = Mysql2Adapter::Column.new("title", nil, "text")
          assert !text_column.has_default?
        end
      end

      if current_adapter?(:PostgreSQLAdapter)
        def test_bigint_column_should_map_to_integer
          oid = PostgreSQLAdapter::OID::Identity.new
          bigint_column = PostgreSQLColumn.new('number', nil, oid, "bigint")
          assert_equal :integer, bigint_column.type
        end

        def test_smallint_column_should_map_to_integer
          oid = PostgreSQLAdapter::OID::Identity.new
          smallint_column = PostgreSQLColumn.new('number', nil, oid, "smallint")
          assert_equal :integer, smallint_column.type
        end
      end
    end
  end
end