From 30370227890dc950f1544b7b1040aa75e505f877 Mon Sep 17 00:00:00 2001
From: David Heinemeier Hansson <david@loudthinking.com>
Date: Mon, 14 Jul 2008 10:12:54 -0500
Subject: Fixed that create database statements would always include "DEFAULT
 NULL" (Nick Sieger) [#334 status:committed]

---
 activerecord/test/cases/column_definition_test.rb | 36 +++++++++++++++++++++++
 1 file changed, 36 insertions(+)
 create mode 100644 activerecord/test/cases/column_definition_test.rb

(limited to 'activerecord/test')

diff --git a/activerecord/test/cases/column_definition_test.rb b/activerecord/test/cases/column_definition_test.rb
new file mode 100644
index 0000000000..540f42f4b6
--- /dev/null
+++ b/activerecord/test/cases/column_definition_test.rb
@@ -0,0 +1,36 @@
+require "cases/helper"
+
+class ColumnDefinitionTest < ActiveRecord::TestCase
+  def setup
+    @adapter = ActiveRecord::ConnectionAdapters::AbstractAdapter.new(nil)
+    def @adapter.native_database_types
+      {:string => "varchar"}
+    end
+  end
+
+  # Avoid column definitions in create table statements like:
+  # `title` varchar(255) DEFAULT NULL NULL
+  def test_should_not_include_default_clause_when_default_is_null
+    column = ActiveRecord::ConnectionAdapters::Column.new("title", nil, "varchar(20)")
+    column_def = ActiveRecord::ConnectionAdapters::ColumnDefinition.new(
+      @adapter, column.name, "string",
+      column.limit, column.precision, column.scale, column.default, column.null)
+    assert_equal "title varchar(20) NULL", column_def.to_sql
+  end
+
+  def test_should_include_default_clause_when_default_is_present
+    column = ActiveRecord::ConnectionAdapters::Column.new("title", "Hello", "varchar(20)")
+    column_def = ActiveRecord::ConnectionAdapters::ColumnDefinition.new(
+      @adapter, column.name, "string",
+      column.limit, column.precision, column.scale, column.default, column.null)
+    assert_equal %Q{title varchar(20) DEFAULT 'Hello' NULL}, column_def.to_sql
+  end
+
+  def test_should_specify_not_null_if_null_option_is_false
+    column = ActiveRecord::ConnectionAdapters::Column.new("title", "Hello", "varchar(20)", false)
+    column_def = ActiveRecord::ConnectionAdapters::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
+end
\ No newline at end of file
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