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require "cases/helper"
class SchemaTest < ActiveRecord::TestCase
self.use_transactional_fixtures = false
SCHEMA_NAME = 'test_schema'
SCHEMA2_NAME = 'test_schema2'
TABLE_NAME = 'things'
INDEX_A_NAME = 'a_index_things_on_name'
INDEX_B_NAME = 'b_index_things_on_different_columns_in_each_schema'
INDEX_A_COLUMN = 'name'
INDEX_B_COLUMN_S1 = 'email'
INDEX_B_COLUMN_S2 = 'moment'
COLUMNS = [
'id integer',
'name character varying(50)',
'email character varying(50)',
'moment timestamp without time zone default now()'
]
def setup
@connection = ActiveRecord::Base.connection
@connection.execute "CREATE SCHEMA #{SCHEMA_NAME} CREATE TABLE #{TABLE_NAME} (#{COLUMNS.join(',')})"
@connection.execute "CREATE SCHEMA #{SCHEMA2_NAME} CREATE TABLE #{TABLE_NAME} (#{COLUMNS.join(',')})"
@connection.execute "CREATE INDEX #{INDEX_A_NAME} ON #{SCHEMA_NAME}.#{TABLE_NAME} USING btree (#{INDEX_A_COLUMN});"
@connection.execute "CREATE INDEX #{INDEX_A_NAME} ON #{SCHEMA2_NAME}.#{TABLE_NAME} USING btree (#{INDEX_A_COLUMN});"
@connection.execute "CREATE INDEX #{INDEX_B_NAME} ON #{SCHEMA_NAME}.#{TABLE_NAME} USING btree (#{INDEX_B_COLUMN_S1});"
@connection.execute "CREATE INDEX #{INDEX_B_NAME} ON #{SCHEMA2_NAME}.#{TABLE_NAME} USING btree (#{INDEX_B_COLUMN_S2});"
end
def teardown
@connection.execute "DROP SCHEMA #{SCHEMA2_NAME} CASCADE"
@connection.execute "DROP SCHEMA #{SCHEMA_NAME} CASCADE"
end
def test_with_schema_prefixed_table_name
assert_nothing_raised do
assert_equal COLUMNS, columns("#{SCHEMA_NAME}.#{TABLE_NAME}")
end
end
def test_with_schema_search_path
assert_nothing_raised do
with_schema_search_path(SCHEMA_NAME) do
assert_equal COLUMNS, columns(TABLE_NAME)
end
end
end
def test_raise_on_unquoted_schema_name
assert_raise(ActiveRecord::StatementInvalid) do
with_schema_search_path '$user,public'
end
end
def test_without_schema_search_path
assert_raise(ActiveRecord::StatementInvalid) { columns(TABLE_NAME) }
end
def test_ignore_nil_schema_search_path
assert_nothing_raised { with_schema_search_path nil }
end
def test_dump_indexes_for_schema_one
do_dump_index_tests_for_schema(SCHEMA_NAME, INDEX_A_COLUMN, INDEX_B_COLUMN_S1)
end
def test_dump_indexes_for_schema_two
do_dump_index_tests_for_schema(SCHEMA2_NAME, INDEX_A_COLUMN, INDEX_B_COLUMN_S2)
end
private
def columns(table_name)
@connection.send(:column_definitions, table_name).map do |name, type, default|
"#{name} #{type}" + (default ? " default #{default}" : '')
end
end
def with_schema_search_path(schema_search_path)
@connection.schema_search_path = schema_search_path
yield if block_given?
ensure
@connection.schema_search_path = "'$user', public"
end
def do_dump_index_tests_for_schema(this_schema_name, first_index_column_name, second_index_column_name)
with_schema_search_path(this_schema_name) do
indexes = @connection.indexes(TABLE_NAME).sort_by {|i| i.name}
assert_equal 2,indexes.size
do_dump_index_assertions_for_one_index(indexes[0], INDEX_A_NAME, first_index_column_name)
do_dump_index_assertions_for_one_index(indexes[1], INDEX_B_NAME, second_index_column_name)
end
end
def do_dump_index_assertions_for_one_index(this_index, this_index_name, this_index_column)
assert_equal TABLE_NAME, this_index.table
assert_equal 1, this_index.columns.size
assert_equal this_index_column, this_index.columns[0]
assert_equal this_index_name, this_index.name
end
end
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