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require "cases/helper"
require "support/schema_dumping_helper"
if ActiveRecord::Base.connection.supports_json?
class Mysql2JSONTest < ActiveRecord::Mysql2TestCase
include SchemaDumpingHelper
self.use_transactional_tests = false
class JsonDataType < ActiveRecord::Base
self.table_name = "json_data_type"
store_accessor :settings, :resolution
end
def setup
@connection = ActiveRecord::Base.connection
begin
@connection.create_table("json_data_type") do |t|
t.json "payload"
t.json "settings"
end
end
end
def teardown
@connection.drop_table :json_data_type, if_exists: true
JsonDataType.reset_column_information
end
def test_column
column = JsonDataType.columns_hash["payload"]
assert_equal :json, column.type
assert_equal "json", column.sql_type
type = JsonDataType.type_for_attribute("payload")
assert_not type.binary?
end
def test_change_table_supports_json
@connection.change_table("json_data_type") do |t|
t.json "users"
end
JsonDataType.reset_column_information
column = JsonDataType.columns_hash["users"]
assert_equal :json, column.type
end
def test_schema_dumping
output = dump_table_schema("json_data_type")
assert_match(/t\.json\s+"settings"/, output)
end
def test_cast_value_on_write
x = JsonDataType.new payload: { "string" => "foo", :symbol => :bar }
assert_equal({ "string" => "foo", :symbol => :bar }, x.payload_before_type_cast)
assert_equal({ "string" => "foo", "symbol" => "bar" }, x.payload)
x.save
assert_equal({ "string" => "foo", "symbol" => "bar" }, x.reload.payload)
end
def test_type_cast_json
type = JsonDataType.type_for_attribute("payload")
data = "{\"a_key\":\"a_value\"}"
hash = type.deserialize(data)
assert_equal({ "a_key" => "a_value" }, hash)
assert_equal({ "a_key" => "a_value" }, type.deserialize(data))
assert_equal({}, type.deserialize("{}"))
assert_equal({ "key" => nil }, type.deserialize('{"key": null}'))
assert_equal({ "c" => "}", '"a"' => 'b "a b' }, type.deserialize(%q({"c":"}", "\"a\"":"b \"a b"})))
end
def test_rewrite
@connection.execute "insert into json_data_type (payload) VALUES ('{\"k\":\"v\"}')"
x = JsonDataType.first
x.payload = { '"a\'' => "b" }
assert x.save!
end
def test_select
@connection.execute "insert into json_data_type (payload) VALUES ('{\"k\":\"v\"}')"
x = JsonDataType.first
assert_equal({ "k" => "v" }, x.payload)
end
def test_select_multikey
@connection.execute %q|insert into json_data_type (payload) VALUES ('{"k1":"v1", "k2":"v2", "k3":[1,2,3]}')|
x = JsonDataType.first
assert_equal({ "k1" => "v1", "k2" => "v2", "k3" => [1, 2, 3] }, x.payload)
end
def test_null_json
@connection.execute "insert into json_data_type (payload) VALUES(null)"
x = JsonDataType.first
assert_equal(nil, x.payload)
end
def test_select_array_json_value
@connection.execute %q|insert into json_data_type (payload) VALUES ('["v0",{"k1":"v1"}]')|
x = JsonDataType.first
assert_equal(["v0", { "k1" => "v1" }], x.payload)
end
def test_select_nil_json_after_create
json = JsonDataType.create(payload: nil)
x = JsonDataType.where(payload: nil).first
assert_equal(json, x)
end
def test_select_nil_json_after_update
json = JsonDataType.create(payload: "foo")
x = JsonDataType.where(payload: nil).first
assert_equal(nil, x)
json.update_attributes payload: nil
x = JsonDataType.where(payload: nil).first
assert_equal(json.reload, x)
end
def test_rewrite_array_json_value
@connection.execute %q|insert into json_data_type (payload) VALUES ('["v0",{"k1":"v1"}]')|
x = JsonDataType.first
x.payload = ["v1", { "k2" => "v2" }, "v3"]
assert x.save!
end
def test_with_store_accessors
x = JsonDataType.new(resolution: "320×480")
assert_equal "320×480", x.resolution
x.save!
x = JsonDataType.first
assert_equal "320×480", x.resolution
x.resolution = "640×1136"
x.save!
x = JsonDataType.first
assert_equal "640×1136", x.resolution
end
def test_duplication_with_store_accessors
x = JsonDataType.new(resolution: "320×480")
assert_equal "320×480", x.resolution
y = x.dup
assert_equal "320×480", y.resolution
end
def test_yaml_round_trip_with_store_accessors
x = JsonDataType.new(resolution: "320×480")
assert_equal "320×480", x.resolution
y = YAML.load(YAML.dump(x))
assert_equal "320×480", y.resolution
end
def test_changes_in_place
json = JsonDataType.new
assert_not json.changed?
json.payload = { "one" => "two" }
assert json.changed?
assert json.payload_changed?
json.save!
assert_not json.changed?
json.payload["three"] = "four"
assert json.payload_changed?
json.save!
json.reload
assert_equal({ "one" => "two", "three" => "four" }, json.payload)
assert_not json.changed?
end
def test_assigning_string_literal
json = JsonDataType.create(payload: "foo")
assert_equal "foo", json.payload
end
def test_assigning_number
json = JsonDataType.create(payload: 1.234)
assert_equal 1.234, json.payload
end
def test_assigning_boolean
json = JsonDataType.create(payload: true)
assert_equal true, json.payload
end
end
end
|
