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|
require "cases/helper"
require "models/default"
require "support/schema_dumping_helper"
module PGSchemaHelper
def with_schema_search_path(schema_search_path)
@connection.schema_search_path = schema_search_path
@connection.schema_cache.clear!
yield if block_given?
ensure
@connection.schema_search_path = "'$user', public"
@connection.schema_cache.clear!
end
end
class SchemaTest < ActiveRecord::PostgreSQLTestCase
include PGSchemaHelper
self.use_transactional_tests = 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_E_NAME = "e_index_things_on_name_vector"
INDEX_A_COLUMN = "name"
INDEX_B_COLUMN_S1 = "email"
INDEX_B_COLUMN_S2 = "moment"
INDEX_C_COLUMN = "(to_tsvector('english', coalesce(things.name, '')))"
INDEX_D_COLUMN = "description"
INDEX_E_COLUMN = "name_vector"
COLUMNS = [
"id integer",
"name character varying(50)",
"email character varying(50)",
"description character varying(100)",
"name_vector tsvector",
"moment timestamp without time zone default now()"
]
PK_TABLE_NAME = "table_with_pk"
UNMATCHED_SEQUENCE_NAME = "unmatched_primary_key_default_value_seq"
UNMATCHED_PK_TABLE_NAME = "table_with_unmatched_sequence_for_pk"
class Thing1 < ActiveRecord::Base
self.table_name = "test_schema.things"
end
class Thing2 < ActiveRecord::Base
self.table_name = "test_schema2.things"
end
class Thing3 < ActiveRecord::Base
self.table_name = 'test_schema."things.table"'
end
class Thing4 < ActiveRecord::Base
self.table_name = 'test_schema."Things"'
end
class Thing5 < ActiveRecord::Base
self.table_name = "things"
end
class Song < ActiveRecord::Base
self.table_name = "music.songs"
has_and_belongs_to_many :albums
end
class Album < ActiveRecord::Base
self.table_name = "music.albums"
has_and_belongs_to_many :songs
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 INDEX #{INDEX_E_NAME} ON #{SCHEMA_NAME}.#{TABLE_NAME} USING gin (#{INDEX_E_COLUMN});"
@connection.execute "CREATE INDEX #{INDEX_E_NAME} ON #{SCHEMA2_NAME}.#{TABLE_NAME} USING gin (#{INDEX_E_COLUMN});"
@connection.execute "CREATE TABLE #{SCHEMA_NAME}.#{PK_TABLE_NAME} (id serial primary key)"
@connection.execute "CREATE SEQUENCE #{SCHEMA_NAME}.#{UNMATCHED_SEQUENCE_NAME}"
@connection.execute "CREATE TABLE #{SCHEMA_NAME}.#{UNMATCHED_PK_TABLE_NAME} (id integer NOT NULL DEFAULT nextval('#{SCHEMA_NAME}.#{UNMATCHED_SEQUENCE_NAME}'::regclass), CONSTRAINT unmatched_pkey PRIMARY KEY (id))"
end
teardown do
@connection.drop_schema SCHEMA2_NAME, if_exists: true
@connection.drop_schema SCHEMA_NAME, if_exists: true
end
def test_schema_names
assert_equal ["public", "test_schema", "test_schema2"], @connection.schema_names
end
def test_create_schema
begin
@connection.create_schema "test_schema3"
assert @connection.schema_names.include? "test_schema3"
ensure
@connection.drop_schema "test_schema3"
end
end
def test_raise_create_schema_with_existing_schema
begin
@connection.create_schema "test_schema3"
assert_raises(ActiveRecord::StatementInvalid) do
@connection.create_schema "test_schema3"
end
ensure
@connection.drop_schema "test_schema3"
end
end
def test_drop_schema
begin
@connection.create_schema "test_schema3"
ensure
@connection.drop_schema "test_schema3"
end
assert_not_includes @connection.schema_names, "test_schema3"
end
def test_drop_schema_if_exists
@connection.create_schema "some_schema"
assert_includes @connection.schema_names, "some_schema"
@connection.drop_schema "some_schema", if_exists: true
assert_not_includes @connection.schema_names, "some_schema"
end
def test_habtm_table_name_with_schema
ActiveRecord::Base.connection.drop_schema "music", if_exists: true
ActiveRecord::Base.connection.create_schema "music"
ActiveRecord::Base.connection.execute <<-SQL
CREATE TABLE music.albums (id serial primary key);
CREATE TABLE music.songs (id serial primary key);
CREATE TABLE music.albums_songs (album_id integer, song_id integer);
SQL
song = Song.create
Album.create
assert_equal song, Song.includes(:albums).references(:albums).first
ensure
ActiveRecord::Base.connection.drop_schema "music", if_exists: true
end
def test_drop_schema_with_nonexisting_schema
assert_raises(ActiveRecord::StatementInvalid) do
@connection.drop_schema "idontexist"
end
assert_nothing_raised do
@connection.drop_schema "idontexist", if_exists: true
end
end
def test_raise_wrapped_exception_on_bad_prepare
assert_raises(ActiveRecord::StatementInvalid) do
@connection.exec_query "select * from developers where id = ?", "sql", [bind_param(1)]
end
end
if ActiveRecord::Base.connection.prepared_statements
def test_schema_change_with_prepared_stmt
altered = false
@connection.exec_query "select * from developers where id = $1", "sql", [bind_param(1)]
@connection.exec_query "alter table developers add column zomg int", "sql", []
altered = true
@connection.exec_query "select * from developers where id = $1", "sql", [bind_param(1)]
ensure
# We are not using DROP COLUMN IF EXISTS because that syntax is only
# supported by pg 9.X
@connection.exec_query("alter table developers drop column zomg", "sql", []) if altered
end
end
def test_data_source_exists?
[Thing1, Thing2, Thing3, Thing4].each do |klass|
name = klass.table_name
assert @connection.data_source_exists?(name), "'#{name}' data_source should exist"
end
end
def test_data_source_exists_when_on_schema_search_path
with_schema_search_path(SCHEMA_NAME) do
assert(@connection.data_source_exists?(TABLE_NAME), "data_source should exist and be found")
end
end
def test_data_source_exists_when_not_on_schema_search_path
with_schema_search_path("PUBLIC") do
assert(!@connection.data_source_exists?(TABLE_NAME), "data_source exists but should not be found")
end
end
def test_data_source_exists_wrong_schema
assert(!@connection.data_source_exists?("foo.things"), "data_source should not exist")
end
def test_data_source_exists_quoted_names
[ %("#{SCHEMA_NAME}"."#{TABLE_NAME}"), %(#{SCHEMA_NAME}."#{TABLE_NAME}"), %(#{SCHEMA_NAME}."#{TABLE_NAME}")].each do |given|
assert(@connection.data_source_exists?(given), "data_source should exist when specified as #{given}")
end
with_schema_search_path(SCHEMA_NAME) do
given = %("#{TABLE_NAME}")
assert(@connection.data_source_exists?(given), "data_source should exist when specified as #{given}")
end
end
def test_data_source_exists_quoted_table
with_schema_search_path(SCHEMA_NAME) do
assert(@connection.data_source_exists?('"things.table"'), "data_source 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_raises(ActiveRecord::StatementInvalid) do
with_schema_search_path "$user,public"
end
end
def test_without_schema_search_path
assert_raises(ActiveRecord::StatementInvalid) { columns(TABLE_NAME) }
end
def test_ignore_nil_schema_search_path
assert_nothing_raised { with_schema_search_path nil }
end
def test_index_name_exists
with_schema_search_path(SCHEMA_NAME) do
assert @connection.index_name_exists?(TABLE_NAME, INDEX_A_NAME)
assert @connection.index_name_exists?(TABLE_NAME, INDEX_B_NAME)
assert @connection.index_name_exists?(TABLE_NAME, INDEX_C_NAME)
assert @connection.index_name_exists?(TABLE_NAME, INDEX_D_NAME)
assert @connection.index_name_exists?(TABLE_NAME, INDEX_E_NAME)
assert @connection.index_name_exists?(TABLE_NAME, INDEX_E_NAME)
assert_not @connection.index_name_exists?(TABLE_NAME, "missing_index")
end
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, INDEX_E_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, INDEX_E_COLUMN)
end
def test_dump_indexes_for_schema_multiple_schemas_in_search_path
do_dump_index_tests_for_schema("public, #{SCHEMA_NAME}", INDEX_A_COLUMN, INDEX_B_COLUMN_S1, INDEX_D_COLUMN, INDEX_E_COLUMN)
end
def test_dump_indexes_for_table_with_scheme_specified_in_name
indexes = @connection.indexes("#{SCHEMA_NAME}.#{TABLE_NAME}")
assert_equal 5, indexes.size
end
def test_with_uppercase_index_name
@connection.execute "CREATE INDEX \"things_Index\" ON #{SCHEMA_NAME}.things (name)"
with_schema_search_path SCHEMA_NAME do
assert_nothing_raised { @connection.remove_index "things", name: "things_Index" }
end
end
def test_remove_index_when_schema_specified
@connection.execute "CREATE INDEX \"things_Index\" ON #{SCHEMA_NAME}.things (name)"
assert_nothing_raised { @connection.remove_index "things", name: "#{SCHEMA_NAME}.things_Index" }
@connection.execute "CREATE INDEX \"things_Index\" ON #{SCHEMA_NAME}.things (name)"
assert_nothing_raised { @connection.remove_index "#{SCHEMA_NAME}.things", name: "things_Index" }
@connection.execute "CREATE INDEX \"things_Index\" ON #{SCHEMA_NAME}.things (name)"
assert_nothing_raised { @connection.remove_index "#{SCHEMA_NAME}.things", name: "#{SCHEMA_NAME}.things_Index" }
@connection.execute "CREATE INDEX \"things_Index\" ON #{SCHEMA_NAME}.things (name)"
assert_raises(ArgumentError) { @connection.remove_index "#{SCHEMA2_NAME}.things", name: "#{SCHEMA_NAME}.things_Index" }
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
pg_name = ActiveRecord::ConnectionAdapters::PostgreSQL::Name
[
%("#{SCHEMA_NAME}"."#{PK_TABLE_NAME}"),
%("#{SCHEMA_NAME}"."#{UNMATCHED_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 pg_name.new(SCHEMA_NAME, "#{PK_TABLE_NAME}_id_seq"), seq, "sequence name should be found when table referenced as #{given}" if given == %("#{SCHEMA_NAME}"."#{PK_TABLE_NAME}")
assert_equal pg_name.new(SCHEMA_NAME, UNMATCHED_SEQUENCE_NAME), seq, "sequence name should be found when table referenced as #{given}" if given == %("#{SCHEMA_NAME}"."#{UNMATCHED_PK_TABLE_NAME}")
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
[SCHEMA_NAME, SCHEMA2_NAME].each do |schema_name|
with_schema_search_path schema_name do
Thing5.create(id: 1, name: "thing inside #{SCHEMA_NAME}", email: "thing1@localhost", moment: Time.now)
end
end
[SCHEMA_NAME, SCHEMA2_NAME].each do |schema_name|
with_schema_search_path schema_name do
assert_equal 1, Thing5.count
end
end
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
def test_reset_pk_sequence
sequence_name = "#{SCHEMA_NAME}.#{UNMATCHED_SEQUENCE_NAME}"
@connection.execute "SELECT setval('#{sequence_name}', 123)"
assert_equal 124, @connection.select_value("SELECT nextval('#{sequence_name}')")
@connection.reset_pk_sequence!("#{SCHEMA_NAME}.#{UNMATCHED_PK_TABLE_NAME}")
assert_equal 1, @connection.select_value("SELECT nextval('#{sequence_name}')")
end
def test_set_pk_sequence
table_name = "#{SCHEMA_NAME}.#{PK_TABLE_NAME}"
_, sequence_name = @connection.pk_and_sequence_for table_name
@connection.set_pk_sequence! table_name, 123
assert_equal 124, @connection.select_value("SELECT nextval('#{sequence_name}')")
@connection.reset_pk_sequence! table_name
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 do_dump_index_tests_for_schema(this_schema_name, first_index_column_name, second_index_column_name, third_index_column_name, fourth_index_column_name)
with_schema_search_path(this_schema_name) do
indexes = @connection.indexes(TABLE_NAME).sort_by(&:name)
assert_equal 5, indexes.size
index_a, index_b, index_c, index_d, index_e = indexes
do_dump_index_assertions_for_one_index(index_a, INDEX_A_NAME, first_index_column_name)
do_dump_index_assertions_for_one_index(index_b, INDEX_B_NAME, second_index_column_name)
do_dump_index_assertions_for_one_index(index_d, INDEX_D_NAME, third_index_column_name)
do_dump_index_assertions_for_one_index(index_e, INDEX_E_NAME, fourth_index_column_name)
assert_equal :btree, index_a.using
assert_equal :btree, index_b.using
assert_equal :gin, index_c.using
assert_equal :btree, index_d.using
assert_equal :gin, index_e.using
assert_equal :desc, index_d.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
def bind_param(value)
ActiveRecord::Relation::QueryAttribute.new(nil, value, ActiveRecord::Type::Value.new)
end
end
class SchemaForeignKeyTest < ActiveRecord::PostgreSQLTestCase
include SchemaDumpingHelper
setup do
@connection = ActiveRecord::Base.connection
end
def test_dump_foreign_key_targeting_different_schema
@connection.create_schema "my_schema"
@connection.create_table "my_schema.trains" do |t|
t.string :name
end
@connection.create_table "wagons" do |t|
t.integer :train_id
end
@connection.add_foreign_key "wagons", "my_schema.trains", column: "train_id"
output = dump_table_schema "wagons"
assert_match %r{\s+add_foreign_key "wagons", "my_schema\.trains", column: "train_id"$}, output
ensure
@connection.drop_table "wagons", if_exists: true
@connection.drop_table "my_schema.trains", if_exists: true
@connection.drop_schema "my_schema", if_exists: true
end
end
class DefaultsUsingMultipleSchemasAndDomainTest < ActiveRecord::PostgreSQLTestCase
setup do
@connection = ActiveRecord::Base.connection
@connection.drop_schema "schema_1", if_exists: true
@connection.execute "CREATE SCHEMA schema_1"
@connection.execute "CREATE DOMAIN schema_1.text AS text"
@connection.execute "CREATE DOMAIN schema_1.varchar AS varchar"
@connection.execute "CREATE DOMAIN schema_1.bpchar AS bpchar"
@old_search_path = @connection.schema_search_path
@connection.schema_search_path = "schema_1, pg_catalog"
@connection.create_table "defaults" do |t|
t.text "text_col", default: "some value"
t.string "string_col", default: "some value"
t.decimal "decimal_col", default: "3.14159265358979323846"
end
Default.reset_column_information
end
teardown do
@connection.schema_search_path = @old_search_path
@connection.drop_schema "schema_1", if_exists: true
Default.reset_column_information
end
def test_text_defaults_in_new_schema_when_overriding_domain
assert_equal "some value", Default.new.text_col, "Default of text column was not correctly parsed"
end
def test_string_defaults_in_new_schema_when_overriding_domain
assert_equal "some value", Default.new.string_col, "Default of string column was not correctly parsed"
end
def test_decimal_defaults_in_new_schema_when_overriding_domain
assert_equal BigDecimal.new("3.14159265358979323846"), Default.new.decimal_col, "Default of decimal column was not correctly parsed"
end
def test_bpchar_defaults_in_new_schema_when_overriding_domain
@connection.execute "ALTER TABLE defaults ADD bpchar_col bpchar DEFAULT 'some value'"
Default.reset_column_information
assert_equal "some value", Default.new.bpchar_col, "Default of bpchar column was not correctly parsed"
end
def test_text_defaults_after_updating_column_default
@connection.execute "ALTER TABLE defaults ALTER COLUMN text_col SET DEFAULT 'some text'::schema_1.text"
assert_equal "some text", Default.new.text_col, "Default of text column was not correctly parsed after updating default using '::text' since postgreSQL will add parens to the default in db"
end
def test_default_containing_quote_and_colons
@connection.execute "ALTER TABLE defaults ALTER COLUMN string_col SET DEFAULT 'foo''::bar'"
assert_equal "foo'::bar", Default.new.string_col
end
end
class SchemaWithDotsTest < ActiveRecord::PostgreSQLTestCase
include PGSchemaHelper
self.use_transactional_tests = false
setup do
@connection = ActiveRecord::Base.connection
@connection.create_schema "my.schema"
end
teardown do
@connection.drop_schema "my.schema", if_exists: true
end
test "rename_table" do
with_schema_search_path('"my.schema"') do
@connection.create_table :posts
@connection.rename_table :posts, :articles
assert_equal ["articles"], @connection.tables
end
end
test "Active Record basics" do
with_schema_search_path('"my.schema"') do
@connection.create_table :articles do |t|
t.string :title
end
article_class = Class.new(ActiveRecord::Base) do
self.table_name = '"my.schema".articles'
end
article_class.create!(title: "zOMG, welcome to my blorgh!")
welcome_article = article_class.last
assert_equal "zOMG, welcome to my blorgh!", welcome_article.title
end
end
end
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