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Add a test for #drop_attached_file

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commit 693b5280c0679751ad12d8e862b509750c981e9d 1 parent b922111
@dasch dasch authored
Showing with 30 additions and 0 deletions.
  1. +30 −0 test/schema_test.rb
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30 test/schema_test.rb
@@ -7,6 +7,7 @@ class MockSchema
def initialize(table_name = nil)
@table_name = table_name
@columns = {}
+ @deleted_columns = []
end
def column(name, type)
@@ -14,13 +15,19 @@ def column(name, type)
end
def remove_column(table_name, column_name)
+ return if @table_name && @table_name != table_name
@columns.delete(column_name)
+ @deleted_columns.push(column_name)
end
def has_column?(column_name)
@columns.key?(column_name)
end
+ def deleted_column?(column_name)
+ @deleted_columns.include?(column_name)
+ end
+
def type_of(column_name)
@columns[column_name]
end
@@ -65,4 +72,27 @@ class SchemaTest < Test::Unit::TestCase
assert_equal :datetime, @schema.type_of(:avatar_updated_at)
end
end
+
+ context "Migrating down" do
+ setup do
+ @schema = MockSchema.new(:users)
+ @schema.drop_attached_file :users, :avatar
+ end
+
+ should "remove the file_name column" do
+ assert @schema.deleted_column?(:avatar_file_name)
+ end
+
+ should "remove the content_type column" do
+ assert @schema.deleted_column?(:avatar_content_type)
+ end
+
+ should "remove the file_size column" do
+ assert @schema.deleted_column?(:avatar_file_size)
+ end
+
+ should "remove the updated_at column" do
+ assert @schema.deleted_column?(:avatar_updated_at)
+ end
+ end
end
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