public function test_maths_rendering()
{
if (!stack_maths_output_maths::filter_is_installed()) {
$this->markTestSkipped('The OU maths filter is not installed.');
}
if (!defined('FILTER_MATHS_TEST_SERVICE_URL_BASE')) {
$this->markTestSkipped('To run the OU maths filter output tests, ' . 'you must define FILTER_MATHS_TEST_SERVICE_URL_BASE in config.php.');
}
$this->resetAfterTest();
set_config('mathsdisplay', 'maths', 'qtype_stack');
set_config('texservice', FILTER_MATHS_TEST_SERVICE_URL_BASE . 'tex', 'filter_maths');
set_config('imageservice', FILTER_MATHS_TEST_SERVICE_URL_BASE . 'imagetex', 'filter_maths');
set_config('englishservice', FILTER_MATHS_TEST_SERVICE_URL_BASE . 'english', 'filter_maths');
stack_utils::clear_config_cache();
filter_set_global_state('mathjaxloader', TEXTFILTER_DISABLED);
// Test language string.
$this->assertRegExp('~^Your answer needs to be a single fraction of the form <a .*alt="a over b".*</a>\\. $~', stack_string('ATSingleFrac_part'));
// Test docs - make sure maths inside <code> is not rendered.
$this->assertRegExp('~^<p><code>\\\\\\(x\\^2\\\\\\)</code> gives <a .*alt="x squared".*</a>\\.</p>\\n$~', stack_docs_render_markdown('<code>\\(x^2\\)</code> gives \\(x^2\\).', ''));
// Test docs - make sure maths inside <textarea> is not rendered.
$this->assertRegExp('~^<p>\\n' . 'Differentiate \\\\\\\\\\[x\\^2 \\+ y\\^2\\\\\\\\\\] with respect to \\\\\\\\\\(x\\\\\\\\\\).</p>\\n$~', stack_docs_render_markdown('<textarea readonly="readonly" rows="3" cols="50">' . "\n" . 'Differentiate \\[x^2 + y^2\\] with respect to \\(x\\).</textarea>', ''));
// Test CAS text with inline maths.
$this->assertEquals('What is <tex mode="inline">x^2</tex>?', stack_maths::process_display_castext('What is \\(x^2\\)?'));
// Test CAS text with display maths.
$this->assertEquals('What is <span class="displayequation"><tex mode="display">x^2</tex></span>?', stack_maths::process_display_castext('What is \\[x^2\\]?'));
// Test with replacedollars.
set_config('replacedollars', '1', 'qtype_stack');
stack_utils::clear_config_cache();
$this->assertEquals('What is <tex mode="inline">x^2</tex> or ' . '<span class="displayequation"><tex mode="display">x^2</tex></span>?', stack_maths::process_display_castext('What is $x^2$ or $$x^2$$?'));
stack_utils::clear_config_cache();
}
public function test_stack_docs_render_markdown()
{
$this->resetAfterTest();
filter_set_global_state('mathjaxloader', TEXTFILTER_DISABLED);
$this->assertEquals("<p>Test</p>\n", stack_docs_render_markdown('Test', '.../doc/content'));
$this->assertEquals('<p><a href=".../doc/content/readme.txt">Readme</a></p>' . "\n", stack_docs_render_markdown('[Readme](%CONTENT/readme.txt)', '.../doc/content'));
$this->assertEquals("<p>Literal %CONTENT</p>\n", stack_docs_render_markdown('Literal \\%CONTENT', '.../doc/content'));
$this->assertEquals("<p><code>\\(x^2\\)</code> gives \\(x^2\\).</p>\n", stack_docs_render_markdown('`\\(x^2\\)` gives \\(x^2\\).', '.../doc/content'));
}
public function test_maths_output_mathsjax()
{
filter_set_global_state('mathjaxloader', TEXTFILTER_DISABLED);
// MathJax output is the default.
$this->assertEquals('Your answer needs to be a single fraction of the form \\( {a}\\over{b} \\). ', stack_string('ATSingleFrac_part'));
$this->assertEquals("<p><code>\\(x^2\\)</code> gives \\(x^2\\).</p>\n", stack_docs_render_markdown('`\\(x^2\\)` gives \\(x^2\\).', ''));
$this->assertEquals('What is \\(x^2\\)?', stack_maths::process_display_castext('What is \\(x^2\\)?'));
$this->resetAfterTest();
set_config('replacedollars', '1', 'qtype_stack');
stack_utils::clear_config_cache();
$this->assertEquals('What is \\(x^2\\) or \\[x^2\\]?', stack_maths::process_display_castext('What is $x^2$ or $$x^2$$?'));
stack_utils::clear_config_cache();
}
public function test_tex_rendering()
{
$this->resetAfterTest();
set_config('mathsdisplay', 'tex', 'qtype_stack');
stack_utils::clear_config_cache();
filter_set_global_state('mathjaxloader', TEXTFILTER_DISABLED);
// Test language string.
// The <span class="MathJax_Preview"> bit is something that got added in
// Moodle 2.8, so match it optionally.
$this->assertRegExp('~^Your answer needs to be a single fraction of the form ' . '(<span class="MathJax_Preview">)?<a .*alt=" \\{a\\}\\\\over\\{b\\} ".*</(a|script)> \\. ~', stack_string('ATSingleFrac_part'));
// Test docs - make sure maths inside <code> is not rendered.
$this->assertRegExp('~^<p><code>\\\\\\(x\\^2\\\\\\)</code> gives (<span class="MathJax_Preview">)?<a .*alt="x\\^2".*</(a|script)> \\.</p>\\n$~', stack_docs_render_markdown('<code>\\(x^2\\)</code> gives \\(x^2\\).', ''));
// Test docs - make sure maths inside <textarea> is not rendered.
$this->assertRegExp('~^<p>\\n' . 'Differentiate \\\\\\\\\\[x\\^2 \\+ y\\^2\\\\\\\\\\] with respect to \\\\\\\\\\(x\\\\\\\\\\).</p>\\n$~', stack_docs_render_markdown('<textarea readonly="readonly" rows="3" cols="50">' . "\n" . 'Differentiate \\[x^2 + y^2\\] with respect to \\(x\\).</textarea>', ''));
// Test CAS text with inline maths.
$this->assertEquals('What is \\[x^2\\]?', stack_maths::process_display_castext('What is \\(x^2\\)?'));
// Test CAS text with display maths.
$this->assertEquals('What is <span class="displayequation">\\[\\displaystyle x^2\\]</span>?', stack_maths::process_display_castext('What is \\[x^2\\]?'));
// Test with replacedollars.
set_config('replacedollars', '1', 'qtype_stack');
stack_utils::clear_config_cache();
$this->assertEquals('What is \\[x^2\\] or <span class="displayequation">\\[\\displaystyle x^2\\]</span>?', stack_maths::process_display_castext('What is $x^2$ or $$x^2$$?'));
stack_utils::clear_config_cache();
}
/**
* Generate a page of the documentation from the source in a file.
* @param string $links menu of links to show.
* @param string $file path to the file to display.
* @param string $docscontent base URL for linking to images etc.
* @return string HTML page body.
*/
function stack_docs_page($links, $file, $docscontent)
{
$body = '';
$body .= $links;
$body .= "\n<hr/>\n";
$body .= stack_docs_render_markdown(file_get_contents($file), $docscontent);
$body .= "\n<hr/>\n";
$body .= $links;
return $body;
}