392 lines
14 KiB
Ruby
392 lines
14 KiB
Ruby
require "cases/helper"
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class SchemaDumperTest < ActiveRecord::TestCase
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def setup
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super
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ActiveRecord::SchemaMigration.create_table
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@stream = StringIO.new
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end
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def standard_dump
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@stream = StringIO.new
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ActiveRecord::SchemaDumper.ignore_tables = []
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ActiveRecord::SchemaDumper.dump(ActiveRecord::Base.connection, @stream)
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@stream.string
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end
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def test_dump_schema_information_outputs_lexically_ordered_versions
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versions = %w{ 20100101010101 20100201010101 20100301010101 }
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versions.reverse.each do |v|
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ActiveRecord::SchemaMigration.create!(:version => v)
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end
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schema_info = ActiveRecord::Base.connection.dump_schema_information
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assert_match(/20100201010101.*20100301010101/m, schema_info)
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end
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def test_magic_comment
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assert_match "# encoding: #{@stream.external_encoding.name}", standard_dump
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end
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def test_schema_dump
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output = standard_dump
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assert_match %r{create_table "accounts"}, output
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assert_match %r{create_table "authors"}, output
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assert_no_match %r{create_table "schema_migrations"}, output
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end
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def test_schema_dump_excludes_sqlite_sequence
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output = standard_dump
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assert_no_match %r{create_table "sqlite_sequence"}, output
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end
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def test_schema_dump_includes_camelcase_table_name
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output = standard_dump
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assert_match %r{create_table "CamelCase"}, output
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end
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def assert_line_up(lines, pattern, required = false)
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return assert(true) if lines.empty?
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matches = lines.map { |line| line.match(pattern) }
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assert matches.all? if required
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matches.compact!
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return assert(true) if matches.empty?
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assert_equal 1, matches.map{ |match| match.offset(0).first }.uniq.length
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end
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def column_definition_lines(output = standard_dump)
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output.scan(/^( *)create_table.*?\n(.*?)^\1end/m).map{ |m| m.last.split(/\n/) }
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end
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def test_types_line_up
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column_definition_lines.each do |column_set|
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next if column_set.empty?
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lengths = column_set.map do |column|
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if match = column.match(/t\.(?:integer|decimal|float|datetime|timestamp|time|date|text|binary|string|boolean)\s+"/)
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match[0].length
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end
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end
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assert_equal 1, lengths.uniq.length
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end
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end
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def test_arguments_line_up
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column_definition_lines.each do |column_set|
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assert_line_up(column_set, /default: /)
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assert_line_up(column_set, /limit: /)
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assert_line_up(column_set, /null: /)
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end
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end
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def test_no_dump_errors
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output = standard_dump
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assert_no_match %r{\# Could not dump table}, output
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end
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def test_schema_dump_includes_not_null_columns
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stream = StringIO.new
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ActiveRecord::SchemaDumper.ignore_tables = [/^[^r]/]
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ActiveRecord::SchemaDumper.dump(ActiveRecord::Base.connection, stream)
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output = stream.string
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assert_match %r{null: false}, output
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end
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def test_schema_dump_includes_limit_constraint_for_integer_columns
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stream = StringIO.new
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ActiveRecord::SchemaDumper.ignore_tables = [/^(?!integer_limits)/]
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ActiveRecord::SchemaDumper.dump(ActiveRecord::Base.connection, stream)
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output = stream.string
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if current_adapter?(:PostgreSQLAdapter)
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assert_match %r{c_int_1.*limit: 2}, output
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assert_match %r{c_int_2.*limit: 2}, output
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# int 3 is 4 bytes in postgresql
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assert_match %r{c_int_3.*}, output
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assert_no_match %r{c_int_3.*limit:}, output
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assert_match %r{c_int_4.*}, output
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assert_no_match %r{c_int_4.*limit:}, output
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elsif current_adapter?(:MysqlAdapter, :Mysql2Adapter)
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assert_match %r{c_int_1.*limit: 1}, output
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assert_match %r{c_int_2.*limit: 2}, output
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assert_match %r{c_int_3.*limit: 3}, output
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assert_match %r{c_int_4.*}, output
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assert_no_match %r{c_int_4.*:limit}, output
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elsif current_adapter?(:SQLite3Adapter)
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assert_match %r{c_int_1.*limit: 1}, output
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assert_match %r{c_int_2.*limit: 2}, output
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assert_match %r{c_int_3.*limit: 3}, output
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assert_match %r{c_int_4.*limit: 4}, output
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end
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assert_match %r{c_int_without_limit.*}, output
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assert_no_match %r{c_int_without_limit.*limit:}, output
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if current_adapter?(:SQLite3Adapter)
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assert_match %r{c_int_5.*limit: 5}, output
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assert_match %r{c_int_6.*limit: 6}, output
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assert_match %r{c_int_7.*limit: 7}, output
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assert_match %r{c_int_8.*limit: 8}, output
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elsif current_adapter?(:OracleAdapter)
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assert_match %r{c_int_5.*limit: 5}, output
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assert_match %r{c_int_6.*limit: 6}, output
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assert_match %r{c_int_7.*limit: 7}, output
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assert_match %r{c_int_8.*limit: 8}, output
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else
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assert_match %r{c_int_5.*limit: 8}, output
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assert_match %r{c_int_6.*limit: 8}, output
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assert_match %r{c_int_7.*limit: 8}, output
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assert_match %r{c_int_8.*limit: 8}, output
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end
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end
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def test_schema_dump_with_string_ignored_table
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stream = StringIO.new
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ActiveRecord::SchemaDumper.ignore_tables = ['accounts']
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ActiveRecord::SchemaDumper.dump(ActiveRecord::Base.connection, stream)
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output = stream.string
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assert_no_match %r{create_table "accounts"}, output
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assert_match %r{create_table "authors"}, output
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assert_no_match %r{create_table "schema_migrations"}, output
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end
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def test_schema_dump_with_regexp_ignored_table
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stream = StringIO.new
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ActiveRecord::SchemaDumper.ignore_tables = [/^account/]
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ActiveRecord::SchemaDumper.dump(ActiveRecord::Base.connection, stream)
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output = stream.string
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assert_no_match %r{create_table "accounts"}, output
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assert_match %r{create_table "authors"}, output
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assert_no_match %r{create_table "schema_migrations"}, output
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end
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def test_schema_dump_illegal_ignored_table_value
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stream = StringIO.new
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ActiveRecord::SchemaDumper.ignore_tables = [5]
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assert_raise(StandardError) do
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ActiveRecord::SchemaDumper.dump(ActiveRecord::Base.connection, stream)
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end
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end
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def test_schema_dumps_index_columns_in_right_order
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index_definition = standard_dump.split(/\n/).grep(/add_index.*companies/).first.strip
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if current_adapter?(:MysqlAdapter) || current_adapter?(:Mysql2Adapter) || current_adapter?(:PostgreSQLAdapter)
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assert_equal 'add_index "companies", ["firm_id", "type", "rating"], name: "company_index", using: :btree', index_definition
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else
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assert_equal 'add_index "companies", ["firm_id", "type", "rating"], name: "company_index"', index_definition
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end
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end
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def test_schema_dumps_partial_indices
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index_definition = standard_dump.split(/\n/).grep(/add_index.*company_partial_index/).first.strip
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if current_adapter?(:PostgreSQLAdapter)
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assert_equal 'add_index "companies", ["firm_id", "type"], name: "company_partial_index", where: "(rating > 10)", using: :btree', index_definition
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elsif current_adapter?(:MysqlAdapter) || current_adapter?(:Mysql2Adapter)
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assert_equal 'add_index "companies", ["firm_id", "type"], name: "company_partial_index", using: :btree', index_definition
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else
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assert_equal 'add_index "companies", ["firm_id", "type"], name: "company_partial_index"', index_definition
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end
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end
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def test_schema_dump_should_honor_nonstandard_primary_keys
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output = standard_dump
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match = output.match(%r{create_table "movies"(.*)do})
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assert_not_nil(match, "nonstandardpk table not found")
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assert_match %r(primary_key: "movieid"), match[1], "non-standard primary key not preserved"
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end
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if current_adapter?(:MysqlAdapter, :Mysql2Adapter)
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def test_schema_dump_should_not_add_default_value_for_mysql_text_field
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output = standard_dump
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assert_match %r{t.text\s+"body",\s+null: false$}, output
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end
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def test_schema_dump_includes_length_for_mysql_binary_fields
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output = standard_dump
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assert_match %r{t.binary\s+"var_binary",\s+limit: 255$}, output
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assert_match %r{t.binary\s+"var_binary_large",\s+limit: 4095$}, output
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end
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def test_schema_dump_includes_length_for_mysql_blob_and_text_fields
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output = standard_dump
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assert_match %r{t.binary\s+"tiny_blob",\s+limit: 255$}, output
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assert_match %r{t.binary\s+"normal_blob"$}, output
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assert_match %r{t.binary\s+"medium_blob",\s+limit: 16777215$}, output
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assert_match %r{t.binary\s+"long_blob",\s+limit: 2147483647$}, output
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assert_match %r{t.text\s+"tiny_text",\s+limit: 255$}, output
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assert_match %r{t.text\s+"normal_text"$}, output
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assert_match %r{t.text\s+"medium_text",\s+limit: 16777215$}, output
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assert_match %r{t.text\s+"long_text",\s+limit: 2147483647$}, output
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end
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def test_schema_dumps_index_type
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output = standard_dump
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assert_match %r{add_index "key_tests", \["awesome"\], name: "index_key_tests_on_awesome", type: :fulltext}, output
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assert_match %r{add_index "key_tests", \["pizza"\], name: "index_key_tests_on_pizza", using: :btree}, output
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end
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end
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def test_schema_dump_includes_decimal_options
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stream = StringIO.new
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ActiveRecord::SchemaDumper.ignore_tables = [/^[^n]/]
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ActiveRecord::SchemaDumper.dump(ActiveRecord::Base.connection, stream)
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output = stream.string
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assert_match %r{precision: 3,[[:space:]]+scale: 2,[[:space:]]+default: 2.78}, output
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end
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if current_adapter?(:PostgreSQLAdapter)
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def test_schema_dump_includes_bigint_default
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output = standard_dump
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assert_match %r{t.integer\s+"bigint_default",\s+limit: 8,\s+default: 0}, output
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end
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def test_schema_dump_includes_extensions
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connection = ActiveRecord::Base.connection
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skip unless connection.supports_extensions?
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connection.stubs(:extensions).returns(['hstore'])
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output = standard_dump
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assert_match "# These are extensions that must be enabled", output
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assert_match %r{enable_extension "hstore"}, output
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connection.stubs(:extensions).returns([])
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output = standard_dump
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assert_no_match "# These are extensions that must be enabled", output
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assert_no_match %r{enable_extension}, output
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end
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def test_schema_dump_includes_xml_shorthand_definition
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output = standard_dump
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if %r{create_table "postgresql_xml_data_type"} =~ output
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assert_match %r{t.xml "data"}, output
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end
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end
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def test_schema_dump_includes_json_shorthand_definition
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output = standard_dump
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if %r{create_table "postgresql_json_data_type"} =~ output
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assert_match %r|t.json "json_data", default: {}|, output
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end
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end
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def test_schema_dump_includes_inet_shorthand_definition
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output = standard_dump
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if %r{create_table "postgresql_network_addresses"} =~ output
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assert_match %r{t.inet\s+"inet_address",\s+default: "192.168.1.1"}, output
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end
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end
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def test_schema_dump_includes_cidr_shorthand_definition
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output = standard_dump
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if %r{create_table "postgresql_network_addresses"} =~ output
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assert_match %r{t.cidr\s+"cidr_address",\s+default: "192.168.1.0/24"}, output
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end
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end
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def test_schema_dump_includes_macaddr_shorthand_definition
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output = standard_dump
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if %r{create_table "postgresql_network_addresses"} =~ output
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assert_match %r{t.macaddr\s+"mac_address",\s+default: "ff:ff:ff:ff:ff:ff"}, output
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end
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end
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def test_schema_dump_includes_uuid_shorthand_definition
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output = standard_dump
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if %r{create_table "poistgresql_uuids"} =~ output
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assert_match %r{t.uuid "guid"}, output
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end
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end
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def test_schema_dump_includes_hstores_shorthand_definition
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output = standard_dump
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if %r{create_table "postgresql_hstores"} =~ output
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assert_match %r[t.hstore "hash_store", default: {}], output
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end
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end
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def test_schema_dump_includes_ltrees_shorthand_definition
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output = standard_dump
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if %r{create_table "postgresql_ltrees"} =~ output
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assert_match %r[t.ltree "path"], output
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end
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end
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def test_schema_dump_includes_arrays_shorthand_definition
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output = standard_dump
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if %r{create_table "postgresql_arrays"} =~ output
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assert_match %r[t.text\s+"nicknames",\s+array: true], output
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assert_match %r[t.integer\s+"commission_by_quarter",\s+array: true], output
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end
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end
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def test_schema_dump_includes_tsvector_shorthand_definition
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output = standard_dump
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if %r{create_table "postgresql_tsvectors"} =~ output
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assert_match %r{t.tsvector "text_vector"}, output
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end
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end
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end
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def test_schema_dump_keeps_large_precision_integer_columns_as_decimal
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output = standard_dump
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# Oracle supports precision up to 38 and it identifies decimals with scale 0 as integers
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if current_adapter?(:OracleAdapter)
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assert_match %r{t.integer\s+"atoms_in_universe",\s+precision: 38,\s+scale: 0}, output
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else
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assert_match %r{t.decimal\s+"atoms_in_universe",\s+precision: 55,\s+scale: 0}, output
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end
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end
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def test_schema_dump_keeps_id_column_when_id_is_false_and_id_column_added
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output = standard_dump
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match = output.match(%r{create_table "goofy_string_id"(.*)do.*\n(.*)\n})
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assert_not_nil(match, "goofy_string_id table not found")
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assert_match %r(id: false), match[1], "no table id not preserved"
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assert_match %r{t.string[[:space:]]+"id",[[:space:]]+null: false$}, match[2], "non-primary key id column not preserved"
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end
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def test_schema_dump_keeps_id_false_when_id_is_false_and_unique_not_null_column_added
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output = standard_dump
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assert_match %r{create_table "subscribers", id: false}, output
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end
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class CreateDogMigration < ActiveRecord::Migration
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def up
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create_table("dogs") do |t|
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t.column :name, :string
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end
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add_index "dogs", [:name]
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end
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def down
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drop_table("dogs")
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end
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end
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def test_schema_dump_with_table_name_prefix_and_suffix
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original, $stdout = $stdout, StringIO.new
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ActiveRecord::Base.table_name_prefix = 'foo_'
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ActiveRecord::Base.table_name_suffix = '_bar'
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migration = CreateDogMigration.new
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migration.migrate(:up)
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output = standard_dump
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assert_no_match %r{create_table "foo_.+_bar"}, output
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assert_no_match %r{create_index "foo_.+_bar"}, output
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assert_no_match %r{create_table "schema_migrations"}, output
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ensure
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migration.migrate(:down)
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ActiveRecord::Base.table_name_suffix = ActiveRecord::Base.table_name_prefix = ''
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$stdout = original
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end
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end
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