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9617db2078
The current code base is not uniform. After some discussion, we have chosen to go with double quotes by default.
444 lines
16 KiB
Ruby
444 lines
16 KiB
Ruby
require "cases/helper"
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require "support/schema_dumping_helper"
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class SchemaDumperTest < ActiveRecord::TestCase
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include SchemaDumpingHelper
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self.use_transactional_tests = false
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setup do
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ActiveRecord::SchemaMigration.create_table
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end
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def standard_dump
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@@standard_dump ||= perform_schema_dump
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end
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def perform_schema_dump
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dump_all_table_schema []
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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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ensure
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ActiveRecord::SchemaMigration.delete_all
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end
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if current_adapter?(:SQLite3Adapter)
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%w{3.7.8 3.7.11 3.7.12}.each do |version_string|
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test "dumps schema version for sqlite version #{version_string}" do
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version = ActiveRecord::ConnectionAdapters::SQLite3Adapter::Version.new(version_string)
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ActiveRecord::Base.connection.stubs(:sqlite_version).returns(version)
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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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ActiveRecord::SchemaMigration.delete_all
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end
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end
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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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assert_no_match %r{create_table "ar_internal_metadata"}, output
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end
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def test_schema_dump_uses_force_cascade_on_create_table
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output = dump_table_schema "authors"
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assert_match %r{create_table "authors", force: :cascade}, 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(/\bt\.\w+\s+(?="\w+?")/)
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match[0].length
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end
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end.compact
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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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output = dump_all_table_schema([/^[^r]/])
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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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output = dump_all_table_schema([/^(?!integer_limits)/])
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assert_match %r{c_int_without_limit}, output
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if current_adapter?(:PostgreSQLAdapter)
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assert_no_match %r{c_int_without_limit.*limit:}, output
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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?(:Mysql2Adapter)
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assert_match %r{c_int_without_limit"$}, output
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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_no_match %r{c_int_without_limit.*limit:}, output
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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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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{t\.bigint\s+"c_int_5"$}, output
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assert_match %r{t\.bigint\s+"c_int_6"$}, output
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assert_match %r{t\.bigint\s+"c_int_7"$}, output
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assert_match %r{t\.bigint\s+"c_int_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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output = dump_all_table_schema(["accounts"])
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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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assert_no_match %r{create_table "ar_internal_metadata"}, output
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end
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def test_schema_dump_with_regexp_ignored_table
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output = dump_all_table_schema([/^account/])
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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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assert_no_match %r{create_table "ar_internal_metadata"}, output
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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(/t\.index.*company_index/).first.strip
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if current_adapter?(:Mysql2Adapter, :PostgreSQLAdapter)
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assert_equal 't.index ["firm_id", "type", "rating"], name: "company_index", using: :btree', index_definition
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else
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assert_equal 't.index ["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(/t\.index.*company_partial_index/).first.strip
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if current_adapter?(:PostgreSQLAdapter)
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assert_equal 't.index ["firm_id", "type"], name: "company_partial_index", where: "(rating > 10)", using: :btree', index_definition
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elsif current_adapter?(:Mysql2Adapter)
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assert_equal 't.index ["firm_id", "type"], name: "company_partial_index", using: :btree', index_definition
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elsif current_adapter?(:SQLite3Adapter) && ActiveRecord::Base.connection.supports_partial_index?
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assert_equal 't.index ["firm_id", "type"], name: "company_partial_index", where: "rating > 10"', index_definition
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else
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assert_equal 't.index ["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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def test_schema_dump_should_use_false_as_default
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output = standard_dump
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assert_match %r{t\.boolean\s+"has_fun",.+default: false}, output
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end
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def test_schema_dump_does_not_include_limit_for_text_field
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output = standard_dump
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assert_match %r{t\.text\s+"params"$}, output
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end
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def test_schema_dump_does_not_include_limit_for_binary_field
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output = standard_dump
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assert_match %r{t\.binary\s+"data"$}, output
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end
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if current_adapter?(:Mysql2Adapter)
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def test_schema_dump_includes_length_for_mysql_binary_fields
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output = standard_dump
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assert_match %r{t\.binary\s+"var_binary",\s+limit: 255$}, output
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assert_match %r{t\.binary\s+"var_binary_large",\s+limit: 4095$}, output
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end
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def test_schema_dump_includes_length_for_mysql_blob_and_text_fields
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output = standard_dump
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assert_match %r{t\.blob\s+"tiny_blob",\s+limit: 255$}, 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: 4294967295$}, output
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assert_match %r{t\.text\s+"tiny_text",\s+limit: 255$}, 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: 4294967295$}, output
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end
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def test_schema_does_not_include_limit_for_emulated_mysql_boolean_fields
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output = standard_dump
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assert_no_match %r{t\.boolean\s+"has_fun",.+limit: 1}, 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{t\.index \["awesome"\], name: "index_key_tests_on_awesome", type: :fulltext}, output
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assert_match %r{t\.index \["pizza"\], 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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output = dump_all_table_schema([/^[^n]/])
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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\.bigint\s+"bigint_default",\s+default: 0}, output
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end
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def test_schema_dump_includes_limit_on_array_type
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output = standard_dump
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assert_match %r{t\.bigint\s+"big_int_data_points\",\s+array: true}, output
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end
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def test_schema_dump_allows_array_of_decimal_defaults
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output = standard_dump
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assert_match %r{t\.decimal\s+"decimal_array_default",\s+default: \["1.23", "3.45"\],\s+array: true}, output
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end
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def test_schema_dump_expression_indices
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index_definition = standard_dump.split(/\n/).grep(/t\.index.*company_expression_index/).first.strip
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assert_equal 't.index "lower((name)::text)", name: "company_expression_index", using: :btree', index_definition
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end
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if ActiveRecord::Base.connection.supports_extensions?
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def test_schema_dump_includes_extensions
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connection = ActiveRecord::Base.connection
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connection.stubs(:extensions).returns(["hstore"])
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output = perform_schema_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 = perform_schema_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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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}, output
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elsif current_adapter?(:FbAdapter)
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assert_match %r{t\.integer\s+"atoms_in_universe",\s+precision: 18}, output
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else
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assert_match %r{t\.decimal\s+"atoms_in_universe",\s+precision: 55}, 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\s+"id",.*?null: false$}, match[2], "non-primary key id column not preserved"
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end
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def test_schema_dump_keeps_id_false_when_id_is_false_and_unique_not_null_column_added
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output = standard_dump
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assert_match %r{create_table "subscribers", id: false}, output
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end
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if ActiveRecord::Base.connection.supports_foreign_keys?
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def test_foreign_keys_are_dumped_at_the_bottom_to_circumvent_dependency_issues
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output = standard_dump
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assert_match(/^\s+add_foreign_key "fk_test_has_fk"[^\n]+\n\s+add_foreign_key "lessons_students"/, output)
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end
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def test_do_not_dump_foreign_keys_for_ignored_tables
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output = dump_table_schema "authors"
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assert_equal ["authors"], output.scan(/^\s*add_foreign_key "([^"]+)".+$/).flatten
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end
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end
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class CreateDogMigration < ActiveRecord::Migration::Current
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def up
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create_table("dog_owners") do |t|
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end
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create_table("dogs") do |t|
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t.column :name, :string
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t.column :owner_id, :integer
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t.index [:name]
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t.foreign_key :dog_owners, column: "owner_id" if supports_foreign_keys?
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end
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end
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def down
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drop_table("dogs")
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drop_table("dog_owners")
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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 = $stdout, StringIO.new
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ActiveRecord::Base.table_name_prefix = "foo_"
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ActiveRecord::Base.table_name_suffix = "_bar"
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migration = CreateDogMigration.new
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migration.migrate(:up)
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output = perform_schema_dump
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assert_no_match %r{create_table "foo_.+_bar"}, output
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assert_no_match %r{add_index "foo_.+_bar"}, output
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assert_no_match %r{create_table "schema_migrations"}, output
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assert_no_match %r{create_table "ar_internal_metadata"}, output
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if ActiveRecord::Base.connection.supports_foreign_keys?
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assert_no_match %r{add_foreign_key "foo_.+_bar"}, output
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assert_no_match %r{add_foreign_key "[^"]+", "foo_.+_bar"}, output
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end
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ensure
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migration.migrate(:down)
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ActiveRecord::Base.table_name_suffix = ActiveRecord::Base.table_name_prefix = ""
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$stdout = original
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end
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def test_schema_dump_with_table_name_prefix_and_ignoring_tables
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original, $stdout = $stdout, StringIO.new
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create_cat_migration = Class.new(ActiveRecord::Migration::Current) do
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def change
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create_table("cats") do |t|
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end
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create_table("omg_cats") do |t|
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end
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end
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end
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original_table_name_prefix = ActiveRecord::Base.table_name_prefix
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original_schema_dumper_ignore_tables = ActiveRecord::SchemaDumper.ignore_tables
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ActiveRecord::Base.table_name_prefix = "omg_"
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ActiveRecord::SchemaDumper.ignore_tables = ["cats"]
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migration = create_cat_migration.new
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migration.migrate(:up)
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stream = StringIO.new
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output = ActiveRecord::SchemaDumper.dump(ActiveRecord::Base.connection, stream).string
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assert_match %r{create_table "omg_cats"}, output
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refute_match %r{create_table "cats"}, output
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ensure
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migration.migrate(:down)
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ActiveRecord::Base.table_name_prefix = original_table_name_prefix
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ActiveRecord::SchemaDumper.ignore_tables = original_schema_dumper_ignore_tables
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$stdout = original
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end
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end
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class SchemaDumperDefaultsTest < ActiveRecord::TestCase
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include SchemaDumpingHelper
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setup do
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@connection = ActiveRecord::Base.connection
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@connection.create_table :defaults, force: true do |t|
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t.string :string_with_default, default: "Hello!"
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t.date :date_with_default, default: "2014-06-05"
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t.datetime :datetime_with_default, default: "2014-06-05 07:17:04"
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t.time :time_with_default, default: "07:17:04"
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end
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end
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teardown do
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return unless @connection
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@connection.drop_table "defaults", if_exists: true
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end
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def test_schema_dump_defaults_with_universally_supported_types
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output = dump_table_schema("defaults")
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assert_match %r{t\.string\s+"string_with_default",.*?default: "Hello!"}, output
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assert_match %r{t\.date\s+"date_with_default",\s+default: '2014-06-05'}, output
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assert_match %r{t\.datetime\s+"datetime_with_default",\s+default: '2014-06-05 07:17:04'}, output
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assert_match %r{t\.time\s+"time_with_default",\s+default: '2000-01-01 07:17:04'}, output
|
|
end
|
|
end
|