diff options
Diffstat (limited to 'activerecord/test/cases/type/adapter_specific_registry_test.rb')
-rw-r--r-- | activerecord/test/cases/type/adapter_specific_registry_test.rb | 133 |
1 files changed, 133 insertions, 0 deletions
diff --git a/activerecord/test/cases/type/adapter_specific_registry_test.rb b/activerecord/test/cases/type/adapter_specific_registry_test.rb new file mode 100644 index 0000000000..8b836b4793 --- /dev/null +++ b/activerecord/test/cases/type/adapter_specific_registry_test.rb @@ -0,0 +1,133 @@ +require "cases/helper" + +module ActiveRecord + class AdapterSpecificRegistryTest < ActiveRecord::TestCase + test "a class can be registered for a symbol" do + registry = Type::AdapterSpecificRegistry.new + registry.register(:foo, ::String) + registry.register(:bar, ::Array) + + assert_equal "", registry.lookup(:foo) + assert_equal [], registry.lookup(:bar) + end + + test "a block can be registered" do + registry = Type::AdapterSpecificRegistry.new + registry.register(:foo) do |*args| + [*args, "block for foo"] + end + registry.register(:bar) do |*args| + [*args, "block for bar"] + end + + assert_equal [:foo, 1, "block for foo"], registry.lookup(:foo, 1) + assert_equal [:foo, 2, "block for foo"], registry.lookup(:foo, 2) + assert_equal [:bar, 1, 2, 3, "block for bar"], registry.lookup(:bar, 1, 2, 3) + end + + test "filtering by adapter" do + registry = Type::AdapterSpecificRegistry.new + registry.register(:foo, String, adapter: :sqlite3) + registry.register(:foo, Array, adapter: :postgresql) + + assert_equal "", registry.lookup(:foo, adapter: :sqlite3) + assert_equal [], registry.lookup(:foo, adapter: :postgresql) + end + + test "an error is raised if both a generic and adapter specific type match" do + registry = Type::AdapterSpecificRegistry.new + registry.register(:foo, String) + registry.register(:foo, Array, adapter: :postgresql) + + assert_raises TypeConflictError do + registry.lookup(:foo, adapter: :postgresql) + end + assert_equal "", registry.lookup(:foo, adapter: :sqlite3) + end + + test "a generic type can explicitly override an adapter specific type" do + registry = Type::AdapterSpecificRegistry.new + registry.register(:foo, String, override: true) + registry.register(:foo, Array, adapter: :postgresql) + + assert_equal "", registry.lookup(:foo, adapter: :postgresql) + assert_equal "", registry.lookup(:foo, adapter: :sqlite3) + end + + test "a generic type can explicitly allow an adapter type to be used instead" do + registry = Type::AdapterSpecificRegistry.new + registry.register(:foo, String, override: false) + registry.register(:foo, Array, adapter: :postgresql) + + assert_equal [], registry.lookup(:foo, adapter: :postgresql) + assert_equal "", registry.lookup(:foo, adapter: :sqlite3) + end + + test "a reasonable error is given when no type is found" do + registry = Type::AdapterSpecificRegistry.new + + e = assert_raises(ArgumentError) do + registry.lookup(:foo) + end + + assert_equal "Unknown type :foo", e.message + end + + test "construct args are passed to the type" do + type = Struct.new(:args) + registry = Type::AdapterSpecificRegistry.new + registry.register(:foo, type) + + assert_equal type.new, registry.lookup(:foo) + assert_equal type.new(:ordered_arg), registry.lookup(:foo, :ordered_arg) + assert_equal type.new(keyword: :arg), registry.lookup(:foo, keyword: :arg) + assert_equal type.new(keyword: :arg), registry.lookup(:foo, keyword: :arg, adapter: :postgresql) + end + + test "registering a modifier" do + decoration = Struct.new(:value) + registry = Type::AdapterSpecificRegistry.new + registry.register(:foo, String) + registry.register(:bar, Hash) + registry.add_modifier({ array: true }, decoration) + + assert_equal decoration.new(""), registry.lookup(:foo, array: true) + assert_equal decoration.new({}), registry.lookup(:bar, array: true) + assert_equal "", registry.lookup(:foo) + end + + test "registering multiple modifiers" do + decoration = Struct.new(:value) + other_decoration = Struct.new(:value) + registry = Type::AdapterSpecificRegistry.new + registry.register(:foo, String) + registry.add_modifier({ array: true }, decoration) + registry.add_modifier({ range: true }, other_decoration) + + assert_equal "", registry.lookup(:foo) + assert_equal decoration.new(""), registry.lookup(:foo, array: true) + assert_equal other_decoration.new(""), registry.lookup(:foo, range: true) + assert_equal( + decoration.new(other_decoration.new("")), + registry.lookup(:foo, array: true, range: true) + ) + end + + test "registering adapter specific modifiers" do + decoration = Struct.new(:value) + type = Struct.new(:args) + registry = Type::AdapterSpecificRegistry.new + registry.register(:foo, type) + registry.add_modifier({ array: true }, decoration, adapter: :postgresql) + + assert_equal( + decoration.new(type.new(keyword: :arg)), + registry.lookup(:foo, array: true, adapter: :postgresql, keyword: :arg) + ) + assert_equal( + type.new(array: true), + registry.lookup(:foo, array: true, adapter: :sqlite3) + ) + end + end +end |