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require "cases/helper"
class PostgresqlNumberTest < ActiveRecord::PostgreSQLTestCase
class PostgresqlNumber < ActiveRecord::Base; end
setup do
@connection = ActiveRecord::Base.connection
@connection.create_table('postgresql_numbers', force: true) do |t|
t.column 'single', 'REAL'
t.column 'double', 'DOUBLE PRECISION'
end
end
teardown do
@connection.drop_table 'postgresql_numbers', if_exists: true
end
def test_data_type
assert_equal :float, PostgresqlNumber.columns_hash["single"].type
assert_equal :float, PostgresqlNumber.columns_hash["double"].type
end
def test_values
@connection.execute("INSERT INTO postgresql_numbers (id, single, double) VALUES (1, 123.456, 123456.789)")
@connection.execute("INSERT INTO postgresql_numbers (id, single, double) VALUES (2, '-Infinity', 'Infinity')")
@connection.execute("INSERT INTO postgresql_numbers (id, single, double) VALUES (3, 123.456, 'NaN')")
first, second, third = PostgresqlNumber.find(1, 2, 3)
assert_equal 123.456, first.single
assert_equal 123456.789, first.double
assert_equal(-::Float::INFINITY, second.single)
assert_equal ::Float::INFINITY, second.double
assert_send [third.double, :nan?]
end
def test_update
record = PostgresqlNumber.create! single: "123.456", double: "123456.789"
new_single = 789.012
new_double = 789012.345
record.single = new_single
record.double = new_double
record.save!
record.reload
assert_equal new_single, record.single
assert_equal new_double, record.double
end
end
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