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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'
CAPITALIZED_TABLE_NAME = 'Things'
INDEX_A_NAME = 'a_index_things_on_name'
INDEX_B_NAME = 'b_index_things_on_different_columns_in_each_schema'
INDEX_C_NAME = 'c_index_full_text_search'
INDEX_D_NAME = 'd_index_things_on_description_desc'
INDEX_A_COLUMN = 'name'
INDEX_B_COLUMN_S1 = 'email'
INDEX_B_COLUMN_S2 = 'moment'
INDEX_C_COLUMN = %q{(to_tsvector('english', coalesce(things.name, '')))}
INDEX_D_COLUMN = 'description'
COLUMNS = [
'id integer',
'name character varying(50)',
'email character varying(50)',
'description character varying(100)',
'moment timestamp without time zone default now()'
]
PK_TABLE_NAME = 'table_with_pk'
class Thing1 < ActiveRecord::Base
set_table_name "test_schema.things"
end
class Thing2 < ActiveRecord::Base
set_table_name "test_schema2.things"
end
class Thing3 < ActiveRecord::Base
set_table_name 'test_schema."things.table"'
end
class Thing4 < ActiveRecord::Base
set_table_name 'test_schema."Things"'
end
class Thing5 < ActiveRecord::Base
set_table_name 'things'
end
def setup
@connection = ActiveRecord::Base.connection
@connection.execute "CREATE SCHEMA #{SCHEMA_NAME} CREATE TABLE #{TABLE_NAME} (#{COLUMNS.join(',')})"
@connection.execute "CREATE TABLE #{SCHEMA_NAME}.\"#{TABLE_NAME}.table\" (#{COLUMNS.join(',')})"
@connection.execute "CREATE TABLE #{SCHEMA_NAME}.\"#{CAPITALIZED_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});"
@connection.execute "CREATE INDEX #{INDEX_C_NAME} ON #{SCHEMA_NAME}.#{TABLE_NAME} USING gin (#{INDEX_C_COLUMN});"
@connection.execute "CREATE INDEX #{INDEX_C_NAME} ON #{SCHEMA2_NAME}.#{TABLE_NAME} USING gin (#{INDEX_C_COLUMN});"
@connection.execute "CREATE INDEX #{INDEX_D_NAME} ON #{SCHEMA_NAME}.#{TABLE_NAME} USING btree (#{INDEX_D_COLUMN} DESC);"
@connection.execute "CREATE INDEX #{INDEX_D_NAME} ON #{SCHEMA2_NAME}.#{TABLE_NAME} USING btree (#{INDEX_D_COLUMN} DESC);"
@connection.execute "CREATE TABLE #{SCHEMA_NAME}.#{PK_TABLE_NAME} (id serial primary key)"
end
def teardown
@connection.execute "DROP SCHEMA #{SCHEMA2_NAME} CASCADE"
@connection.execute "DROP SCHEMA #{SCHEMA_NAME} CASCADE"
end
def test_schema_change_with_prepared_stmt
@connection.exec_query "select * from developers where id = $1", 'sql', [[nil, 1]]
@connection.exec_query "alter table developers add column zomg int", 'sql', []
@connection.exec_query "select * from developers where id = $1", 'sql', [[nil, 1]]
ensure
@connection.exec_query "alter table developers drop column if exists zomg", 'sql', []
end
def test_table_exists?
[Thing1, Thing2, Thing3, Thing4].each do |klass|
name = klass.table_name
assert @connection.table_exists?(name), "'#{name}' table should exist"
end
end
def test_table_exists_when_on_schema_search_path
with_schema_search_path(SCHEMA_NAME) do
assert(@connection.table_exists?(TABLE_NAME), "table should exist and be found")
end
end
def test_table_exists_when_not_on_schema_search_path
with_schema_search_path('PUBLIC') do
assert(!@connection.table_exists?(TABLE_NAME), "table exists but should not be found")
end
end
def test_table_exists_wrong_schema
assert(!@connection.table_exists?("foo.things"), "table should not exist")
end
def test_table_exists_quoted_names
[ %("#{SCHEMA_NAME}"."#{TABLE_NAME}"), %(#{SCHEMA_NAME}."#{TABLE_NAME}"), %(#{SCHEMA_NAME}."#{TABLE_NAME}")].each do |given|
assert(@connection.table_exists?(given), "table should exist when specified as #{given}")
end
with_schema_search_path(SCHEMA_NAME) do
given = %("#{TABLE_NAME}")
assert(@connection.table_exists?(given), "table should exist when specified as #{given}")
end
end
def test_table_exists_quoted_table
with_schema_search_path(SCHEMA_NAME) do
assert(@connection.table_exists?('"things.table"'), "table should exist")
end
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_prefixed_capitalized_table_name
assert_nothing_raised do
assert_equal COLUMNS, columns("#{SCHEMA_NAME}.#{CAPITALIZED_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_proper_encoding_of_table_name
assert_equal '"table_name"', @connection.quote_table_name('table_name')
assert_equal '"table.name"', @connection.quote_table_name('"table.name"')
assert_equal '"schema_name"."table_name"', @connection.quote_table_name('schema_name.table_name')
assert_equal '"schema_name"."table.name"', @connection.quote_table_name('schema_name."table.name"')
assert_equal '"schema.name"."table_name"', @connection.quote_table_name('"schema.name".table_name')
assert_equal '"schema.name"."table.name"', @connection.quote_table_name('"schema.name"."table.name"')
end
def test_classes_with_qualified_schema_name
assert_equal 0, Thing1.count
assert_equal 0, Thing2.count
assert_equal 0, Thing3.count
assert_equal 0, Thing4.count
Thing1.create(:id => 1, :name => "thing1", :email => "thing1@localhost", :moment => Time.now)
assert_equal 1, Thing1.count
assert_equal 0, Thing2.count
assert_equal 0, Thing3.count
assert_equal 0, Thing4.count
Thing2.create(:id => 1, :name => "thing1", :email => "thing1@localhost", :moment => Time.now)
assert_equal 1, Thing1.count
assert_equal 1, Thing2.count
assert_equal 0, Thing3.count
assert_equal 0, Thing4.count
Thing3.create(:id => 1, :name => "thing1", :email => "thing1@localhost", :moment => Time.now)
assert_equal 1, Thing1.count
assert_equal 1, Thing2.count
assert_equal 1, Thing3.count
assert_equal 0, Thing4.count
Thing4.create(:id => 1, :name => "thing1", :email => "thing1@localhost", :moment => Time.now)
assert_equal 1, Thing1.count
assert_equal 1, Thing2.count
assert_equal 1, Thing3.count
assert_equal 1, Thing4.count
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, INDEX_D_COLUMN)
end
def test_dump_indexes_for_schema_two
do_dump_index_tests_for_schema(SCHEMA2_NAME, INDEX_A_COLUMN, INDEX_B_COLUMN_S2, INDEX_D_COLUMN)
end
def test_with_uppercase_index_name
ActiveRecord::Base.connection.execute "CREATE INDEX \"things_Index\" ON #{SCHEMA_NAME}.things (name)"
assert_nothing_raised { ActiveRecord::Base.connection.remove_index! "things", "#{SCHEMA_NAME}.things_Index"}
ActiveRecord::Base.connection.execute "CREATE INDEX \"things_Index\" ON #{SCHEMA_NAME}.things (name)"
ActiveRecord::Base.connection.schema_search_path = SCHEMA_NAME
assert_nothing_raised { ActiveRecord::Base.connection.remove_index! "things", "things_Index"}
ActiveRecord::Base.connection.schema_search_path = "public"
end
def test_primary_key_with_schema_specified
[
%("#{SCHEMA_NAME}"."#{PK_TABLE_NAME}"),
%(#{SCHEMA_NAME}."#{PK_TABLE_NAME}"),
%(#{SCHEMA_NAME}.#{PK_TABLE_NAME})
].each do |given|
assert_equal 'id', @connection.primary_key(given), "primary key should be found when table referenced as #{given}"
end
end
def test_primary_key_assuming_schema_search_path
with_schema_search_path(SCHEMA_NAME) do
assert_equal 'id', @connection.primary_key(PK_TABLE_NAME), "primary key should be found"
end
end
def test_primary_key_raises_error_if_table_not_found_on_schema_search_path
with_schema_search_path(SCHEMA2_NAME) do
assert_raises(ActiveRecord::StatementInvalid) do
@connection.primary_key(PK_TABLE_NAME)
end
end
end
def test_pk_and_sequence_for_with_schema_specified
[
%("#{SCHEMA_NAME}"."#{PK_TABLE_NAME}"),
%(#{SCHEMA_NAME}."#{PK_TABLE_NAME}"),
%(#{SCHEMA_NAME}.#{PK_TABLE_NAME})
].each do |given|
pk, seq = @connection.pk_and_sequence_for(given)
assert_equal 'id', pk, "primary key should be found when table referenced as #{given}"
assert_equal "#{SCHEMA_NAME}.#{PK_TABLE_NAME}_id_seq", seq, "sequence name should be found when table referenced as #{given}"
end
end
def test_current_schema
{
%('$user',public) => 'public',
SCHEMA_NAME => SCHEMA_NAME,
%(#{SCHEMA2_NAME},#{SCHEMA_NAME},public) => SCHEMA2_NAME,
%(public,#{SCHEMA2_NAME},#{SCHEMA_NAME}) => 'public'
}.each do |given,expect|
with_schema_search_path(given) { assert_equal expect, @connection.current_schema }
end
end
def test_prepared_statements_with_multiple_schemas
@connection.schema_search_path = SCHEMA_NAME
Thing5.create(:id => 1, :name => "thing inside #{SCHEMA_NAME}", :email => "thing1@localhost", :moment => Time.now)
@connection.schema_search_path = SCHEMA2_NAME
Thing5.create(:id => 1, :name => "thing inside #{SCHEMA2_NAME}", :email => "thing1@localhost", :moment => Time.now)
@connection.schema_search_path = SCHEMA_NAME
assert_equal 1, Thing5.count
@connection.schema_search_path = SCHEMA2_NAME
assert_equal 1, Thing5.count
end
def test_schema_exists?
{
'public' => true,
SCHEMA_NAME => true,
SCHEMA2_NAME => true,
'darkside' => false
}.each do |given,expect|
assert_equal expect, @connection.schema_exists?(given)
end
end
private
def columns(table_name)
@connection.send(:column_definitions, table_name).map do |name, type, default|
"#{name} #{type}" + (default ? " default #{default}" : '')
end
end
def with_schema_search_path(schema_search_path)
@connection.schema_search_path = schema_search_path
yield if block_given?
ensure
@connection.schema_search_path = "'$user', public"
end
def do_dump_index_tests_for_schema(this_schema_name, first_index_column_name, second_index_column_name, third_index_column_name)
with_schema_search_path(this_schema_name) do
indexes = @connection.indexes(TABLE_NAME).sort_by {|i| i.name}
assert_equal 3,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)
do_dump_index_assertions_for_one_index(indexes[2], INDEX_D_NAME, third_index_column_name)
assert_equal :desc, indexes.select{|i| i.name == INDEX_D_NAME}[0].orders[INDEX_D_COLUMN]
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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