form = $this->form(); $date = $this->form->date( 'datetest' ) ->label( 'Date test' ); return $date; } public function test_empty_input() { $date = $this->date(); $_POST = [ 'datetest' => '' ]; $this->form->post( [ 'datetest' => '' ] ); $this->assertEquals( $date->get_post_value(), '1970-01-01' ); $this->assertEquals( $date->get_raw_post_value(), '' ); } public function test_bad_date() { $date = $this->date(); $_POST = [ 'datetest' => 'xyz' ]; $this->form->post(); $this->assertEquals( $date->get_post_value(), '1970-01-01' ); } public function test_good_date() { $date = $this->date(); $_POST = [ 'datetest' => '2014-01-20' ]; $this->form->post(); $this->assertEquals( $date->get_post_value(), '2014-01-20' ); } }