diff options
Diffstat (limited to 'activerecord/test/cases/test_case.rb')
-rw-r--r-- | activerecord/test/cases/test_case.rb | 142 |
1 files changed, 142 insertions, 0 deletions
diff --git a/activerecord/test/cases/test_case.rb b/activerecord/test/cases/test_case.rb new file mode 100644 index 0000000000..024b5bd8a1 --- /dev/null +++ b/activerecord/test/cases/test_case.rb @@ -0,0 +1,142 @@ +# frozen_string_literal: true + +require "active_support/test_case" +require "active_support/testing/autorun" +require "active_support/testing/method_call_assertions" +require "active_support/testing/stream" +require "active_record/fixtures" + +require "cases/validations_repair_helper" + +module ActiveRecord + # = Active Record Test Case + # + # Defines some test assertions to test against SQL queries. + class TestCase < ActiveSupport::TestCase #:nodoc: + include ActiveSupport::Testing::MethodCallAssertions + include ActiveSupport::Testing::Stream + include ActiveRecord::TestFixtures + include ActiveRecord::ValidationsRepairHelper + + self.fixture_path = FIXTURES_ROOT + self.use_instantiated_fixtures = false + self.use_transactional_tests = true + + def create_fixtures(*fixture_set_names, &block) + ActiveRecord::FixtureSet.create_fixtures(ActiveRecord::TestCase.fixture_path, fixture_set_names, fixture_class_names, &block) + end + + def teardown + SQLCounter.clear_log + end + + def capture_sql + SQLCounter.clear_log + yield + SQLCounter.log_all.dup + end + + def assert_sql(*patterns_to_match) + capture_sql { yield } + ensure + failed_patterns = [] + patterns_to_match.each do |pattern| + failed_patterns << pattern unless SQLCounter.log_all.any? { |sql| pattern === sql } + end + assert failed_patterns.empty?, "Query pattern(s) #{failed_patterns.map(&:inspect).join(', ')} not found.#{SQLCounter.log.size == 0 ? '' : "\nQueries:\n#{SQLCounter.log.join("\n")}"}" + end + + def assert_queries(num = 1, options = {}) + ignore_none = options.fetch(:ignore_none) { num == :any } + SQLCounter.clear_log + x = yield + the_log = ignore_none ? SQLCounter.log_all : SQLCounter.log + if num == :any + assert_operator the_log.size, :>=, 1, "1 or more queries expected, but none were executed." + else + mesg = "#{the_log.size} instead of #{num} queries were executed.#{the_log.size == 0 ? '' : "\nQueries:\n#{the_log.join("\n")}"}" + assert_equal num, the_log.size, mesg + end + x + end + + def assert_no_queries(options = {}, &block) + options.reverse_merge! ignore_none: true + assert_queries(0, options, &block) + end + + def assert_column(model, column_name, msg = nil) + assert has_column?(model, column_name), msg + end + + def assert_no_column(model, column_name, msg = nil) + assert_not has_column?(model, column_name), msg + end + + def has_column?(model, column_name) + model.reset_column_information + model.column_names.include?(column_name.to_s) + end + + def frozen_error_class + Object.const_defined?(:FrozenError) ? FrozenError : RuntimeError + end + end + + class PostgreSQLTestCase < TestCase + def self.run(*args) + super if current_adapter?(:PostgreSQLAdapter) + end + end + + class Mysql2TestCase < TestCase + def self.run(*args) + super if current_adapter?(:Mysql2Adapter) + end + end + + class SQLite3TestCase < TestCase + def self.run(*args) + super if current_adapter?(:SQLite3Adapter) + end + end + + class SQLCounter + class << self + attr_accessor :ignored_sql, :log, :log_all + def clear_log; self.log = []; self.log_all = []; end + end + + clear_log + + self.ignored_sql = [/^PRAGMA/, /^SELECT currval/, /^SELECT CAST/, /^SELECT @@IDENTITY/, /^SELECT @@ROWCOUNT/, /^SAVEPOINT/, /^ROLLBACK TO SAVEPOINT/, /^RELEASE SAVEPOINT/, /^SHOW max_identifier_length/, /^BEGIN/, /^COMMIT/] + + # FIXME: this needs to be refactored so specific database can add their own + # ignored SQL, or better yet, use a different notification for the queries + # instead examining the SQL content. + oracle_ignored = [/^select .*nextval/i, /^SAVEPOINT/, /^ROLLBACK TO/, /^\s*select .* from all_triggers/im, /^\s*select .* from all_constraints/im, /^\s*select .* from all_tab_cols/im, /^\s*select .* from all_sequences/im] + mysql_ignored = [/^SHOW FULL TABLES/i, /^SHOW FULL FIELDS/, /^SHOW CREATE TABLE /i, /^SHOW VARIABLES /, /^\s*SELECT (?:column_name|table_name)\b.*\bFROM information_schema\.(?:key_column_usage|tables)\b/im] + postgresql_ignored = [/^\s*select\b.*\bfrom\b.*pg_namespace\b/im, /^\s*select tablename\b.*from pg_tables\b/im, /^\s*select\b.*\battname\b.*\bfrom\b.*\bpg_attribute\b/im, /^SHOW search_path/i, /^\s*SELECT\b.*::regtype::oid\b/im] + sqlite3_ignored = [/^\s*SELECT name\b.*\bFROM sqlite_master/im, /^\s*SELECT sql\b.*\bFROM sqlite_master/im] + + [oracle_ignored, mysql_ignored, postgresql_ignored, sqlite3_ignored].each do |db_ignored_sql| + ignored_sql.concat db_ignored_sql + end + + attr_reader :ignore + + def initialize(ignore = Regexp.union(self.class.ignored_sql)) + @ignore = ignore + end + + def call(name, start, finish, message_id, values) + return if values[:cached] + + sql = values[:sql] + self.class.log_all << sql + self.class.log << sql unless ignore.match?(sql) + end + end + + ActiveSupport::Notifications.subscribe("sql.active_record", SQLCounter.new) +end |