1 files changed, 101 insertions, 0 deletions
diff --git a/activerecord/test/cases/adapters/postgresql/money_test.rb b/activerecord/test/cases/adapters/postgresql/money_test.rb
new file mode 100644
index 0000000000..1aa0348879
--- /dev/null
+++ b/activerecord/test/cases/adapters/postgresql/money_test.rb
@@ -0,0 +1,101 @@
+# frozen_string_literal: true
+
+require "cases/helper"
+require "support/schema_dumping_helper"
+
+class PostgresqlMoneyTest < ActiveRecord::PostgreSQLTestCase
+  include SchemaDumpingHelper
+
+  class PostgresqlMoney < ActiveRecord::Base
+    validates :depth, numericality: true
+  end
+
+  setup do
+    @connection = ActiveRecord::Base.connection
+    @connection.execute("set lc_monetary = 'C'")
+    @connection.create_table("postgresql_moneys", force: true) do |t|
+      t.money "wealth"
+      t.money "depth", default: "150.55"
+    end
+  end
+
+  teardown do
+    @connection.drop_table "postgresql_moneys", if_exists: true
+  end
+
+  def test_column
+    column = PostgresqlMoney.columns_hash["wealth"]
+    assert_equal :money, column.type
+    assert_equal "money", column.sql_type
+    assert_equal 2, column.scale
+    assert_not_predicate column, :array?
+
+    type = PostgresqlMoney.type_for_attribute("wealth")
+    assert_not_predicate type, :binary?
+  end
+
+  def test_default
+    assert_equal BigDecimal("150.55"), PostgresqlMoney.column_defaults["depth"]
+    assert_equal BigDecimal("150.55"), PostgresqlMoney.new.depth
+    assert_equal "150.55", PostgresqlMoney.new.depth_before_type_cast
+  end
+
+  def test_money_values
+    @connection.execute("INSERT INTO postgresql_moneys (id, wealth) VALUES (1, '567.89'::money)")
+    @connection.execute("INSERT INTO postgresql_moneys (id, wealth) VALUES (2, '-567.89'::money)")
+
+    first_money = PostgresqlMoney.find(1)
+    second_money = PostgresqlMoney.find(2)
+    assert_equal 567.89, first_money.wealth
+    assert_equal(-567.89, second_money.wealth)
+  end
+
+  def test_money_type_cast
+    type = PostgresqlMoney.type_for_attribute("wealth")
+    assert_equal(12345678.12, type.cast(+"$12,345,678.12"))
+    assert_equal(12345678.12, type.cast(+"$12.345.678,12"))
+    assert_equal(-1.15, type.cast(+"-$1.15"))
+    assert_equal(-2.25, type.cast(+"($2.25)"))
+  end
+
+  def test_schema_dumping
+    output = dump_table_schema("postgresql_moneys")
+    assert_match %r{t\.money\s+"wealth",\s+scale: 2$}, output
+    assert_match %r{t\.money\s+"depth",\s+scale: 2,\s+default: "150\.55"$}, output
+  end
+
+  def test_create_and_update_money
+    money = PostgresqlMoney.create(wealth: +"987.65")
+    assert_equal 987.65, money.wealth
+
+    new_value = BigDecimal("123.45")
+    money.wealth = new_value
+    money.save!
+    money.reload
+    assert_equal new_value, money.wealth
+  end
+
+  def test_update_all_with_money_string
+    money = PostgresqlMoney.create!
+    PostgresqlMoney.update_all(wealth: "987.65")
+    money.reload
+
+    assert_equal 987.65, money.wealth
+  end
+
+  def test_update_all_with_money_big_decimal
+    money = PostgresqlMoney.create!
+    PostgresqlMoney.update_all(wealth: "123.45".to_d)
+    money.reload
+
+    assert_equal 123.45, money.wealth
+  end
+
+  def test_update_all_with_money_numeric
+    money = PostgresqlMoney.create!
+    PostgresqlMoney.update_all(wealth: 123.45)
+    money.reload
+
+    assert_equal 123.45, money.wealth
+  end
+end