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.
namespace mod_lesson;
use mod_lesson\local\numeric\helper;
/**
* This class contains the test cases for the numeric helper functions
*
* @package mod_lesson
* @category test
* @copyright 2020 Peter Dias
* @license http://www.gnu.org/copyleft/gpl.html GNU Public License
*/
class numeric_helper_test extends \advanced_testcase {
/**
* Test the lesson_unformat_numeric_value function.
*
* @dataProvider lesson_unformat_dataprovider
* @param $decsep
* @param $tests
*/
public function test_lesson_unformat_numeric_value($decsep, $tests) {
$this->define_local_decimal_separator($decsep);
foreach ($tests as $test) {
$this->assertEquals($test[1], helper::lesson_unformat_numeric_value($test[0]));
}
}
/**
* Test the lesson_format_numeric_value function.
*
* @dataProvider lesson_format_dataprovider
* @param $decsep
* @param $tests
*/
public function test_lesson_format_numeric_value($decsep, $tests) {
$this->define_local_decimal_separator($decsep);
foreach ($tests as $test) {
$this->assertEquals($test[1], helper::lesson_format_numeric_value($test[0]));
}
}
/**
* Provide various cases for the unformat test function
*
* @return array
*/
public function lesson_unformat_dataprovider() {
return [
"Using a decimal as a separator" => [
"decsep" => ".",
"test" => [
["2.1", 2.1],
["1:4.2", "1:4.2"],
["2,1", 2],
["1:4,2", "1:4"],
["", null]
]
],
"Using a comma as a separator" => [
"decsep" => ",",
"test" => [
["2,1", 2.1],
["1:4,2", "1:4.2"],
["2.1", 2.1],
["1:4.2", "1:4.2"],
]
],
"Using a X as a separator" => [
"decsep" => "X",
"test" => [
["2X1", 2.1],
["1:4X2", "1:4.2"],
["2.1", 2.1],
["1:4.2", "1:4.2"],
]
]
];
}
/**
* Provide various cases for the unformat test function
*
* @return array
*/
public function lesson_format_dataprovider() {
return [
"Using a decimal as a separator" => [
"decsep" => ".",
"test" => [
["2.1", 2.1],
["1:4.2", "1:4.2"],
["2,1", "2,1"],
["1:4,2", "1:4,2"]
]
],
"Using a comma as a separator" => [
"decsep" => ",",
"test" => [
["2,1", "2,1"],
["1:4,2", "1:4,2"],
["2.1", "2,1"],
[2.1, "2,1"],
["1:4.2", "1:4,2"],
]
],
"Using a X as a separator" => [
"decsep" => "X",
"test" => [
["2X1", "2X1"],
["1:4X2", "1:4X2"],
["2.1", "2X1"],
["1:4.2", "1:4X2"],
]
]
];
}
/**
* Define a local decimal separator.
*
* It is not possible to directly change the result of get_string in
* a unit test. Instead, we create a language pack for language 'xx' in
* dataroot and make langconfig.php with the string we need to change.
* The default example separator used here is 'X'.
*
* @param string $decsep Separator character. Defaults to `'X'`.
*/
protected function define_local_decimal_separator(string $decsep = 'X') {
global $SESSION, $CFG;
$SESSION->lang = 'xx';
$langconfig = "dataroot . '/lang/xx';
check_dir_exists($langfolder);
file_put_contents($langfolder . '/langconfig.php', $langconfig);
// Ensure the new value is picked up and not taken from the cache.
$stringmanager = get_string_manager();
$stringmanager->reset_caches(true);
}
}