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PhutilUtilsTestCase.php
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Sat, May 4, 07:28

PhutilUtilsTestCase.php
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<?php
/*
* Copyright 2012 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
* Test cases for functions in utils.php.
*
* @group testcase
*/
final class PhutilUtilsTestCase extends PhutilTestCase {
public function testMFilter_nullMethod_throwException() {
$caught = null;
try {
mfilter(array(), null);
} catch (InvalidArgumentException $ex) {
$caught = $ex;
}
$this->assertEqual(
true,
($caught instanceof InvalidArgumentException));
}
public function testMFilter_withEmptyValue_filtered() {
$a = new MFilterTestHelper('o', 'p', 'q');
$b = new MFilterTestHelper('o', '', 'q');
$c = new MFilterTestHelper('o', 'p', 'q');
$list = array(
'a' => $a,
'b' => $b,
'c' => $c,
);
$actual = mfilter($list, 'getI');
$expected = array(
'a' => $a,
'c' => $c,
);
$this->assertEqual($expected, $actual);
}
public function testMFilter_withEmptyValueNegate_filtered() {
$a = new MFilterTestHelper('o', 'p', 'q');
$b = new MFilterTestHelper('o', '', 'q');
$c = new MFilterTestHelper('o', 'p', 'q');
$list = array(
'a' => $a,
'b' => $b,
'c' => $c,
);
$actual = mfilter($list, 'getI', true);
$expected = array(
'b' => $b,
);
$this->assertEqual($expected, $actual);
}
public function testIFilter_invalidIndex_throwException() {
$caught = null;
try {
ifilter(array(), null);
} catch (InvalidArgumentException $ex) {
$caught = $ex;
}
$this->assertEqual(
true,
($caught instanceof InvalidArgumentException));
}
public function testIFilter_withEmptyValue_filtered() {
$list = array(
'a' => array('h' => 'o', 'i' => 'p', 'j' => 'q',),
'b' => array('h' => 'o', 'i' => '', 'j' => 'q',),
'c' => array('h' => 'o', 'i' => 'p', 'j' => 'q',),
'd' => array('h' => 'o', 'i' => 0, 'j' => 'q',),
'e' => array('h' => 'o', 'i' => null, 'j' => 'q',),
'f' => array('h' => 'o', 'i' => false, 'j' => 'q',),
);
$actual = ifilter($list, 'i');
$expected = array(
'a' => array('h' => 'o', 'i' => 'p', 'j' => 'q',),
'c' => array('h' => 'o', 'i' => 'p', 'j' => 'q',),
);
$this->assertEqual($expected, $actual);
}
public function testIFilter_indexNotExists_allFiltered() {
$list = array(
'a' => array('h' => 'o', 'i' => 'p', 'j' => 'q',),
'b' => array('h' => 'o', 'i' => '', 'j' => 'q',),
);
$actual = ifilter($list, 'NoneExisting');
$expected = array();
$this->assertEqual($expected, $actual);
}
public function testIFilter_withEmptyValueNegate_filtered() {
$list = array(
'a' => array('h' => 'o', 'i' => 'p', 'j' => 'q',),
'b' => array('h' => 'o', 'i' => '', 'j' => 'q',),
'c' => array('h' => 'o', 'i' => 'p', 'j' => 'q',),
'd' => array('h' => 'o', 'i' => 0, 'j' => 'q',),
'e' => array('h' => 'o', 'i' => null, 'j' => 'q',),
'f' => array('h' => 'o', 'i' => false, 'j' => 'q',),
);
$actual = ifilter($list, 'i', true);
$expected = array(
'b' => array('h' => 'o', 'i' => '', 'j' => 'q',),
'd' => array('h' => 'o', 'i' => 0, 'j' => 'q',),
'e' => array('h' => 'o', 'i' => null, 'j' => 'q',),
'f' => array('h' => 'o', 'i' => false, 'j' => 'q',),
);
$this->assertEqual($expected, $actual);
}
public function testIFilter_indexNotExists_notFiltered() {
$list = array(
'a' => array('h' => 'o', 'i' => 'p', 'j' => 'q',),
'b' => array('h' => 'o', 'i' => '', 'j' => 'q',),
);
$actual = ifilter($list, 'NoneExisting', true);
$expected = array(
'a' => array('h' => 'o', 'i' => 'p', 'j' => 'q',),
'b' => array('h' => 'o', 'i' => '', 'j' => 'q',),
);
$this->assertEqual($expected, $actual);
}
public function testmergev_merging_basicallyWorksCorrectly() {
$this->assertEqual(
array(),
array_mergev(
array(
// <empty>
)));
$this->assertEqual(
array(),
array_mergev(
array(
array(),
array(),
array(),
)));
$this->assertEqual(
array(1, 2, 3, 4, 5),
array_mergev(
array(
array(1, 2),
array(3),
array(),
array(4, 5),
)));
}
public function testNonempty() {
$this->assertEqual(
'zebra',
nonempty(false, null, 0, '', array(), 'zebra'));
$this->assertEqual(
null,
nonempty());
$this->assertEqual(
false,
nonempty(null, false));
$this->assertEqual(
null,
nonempty(false, null));
}
public function testCoalesce() {
$this->assertEqual(
'zebra',
coalesce(null, 'zebra'));
$this->assertEqual(
null,
coalesce());
$this->assertEqual(
false,
coalesce(false, null));
$this->assertEqual(
false,
coalesce(null, false));
}
public function testHeadLast() {
$this->assertEqual(
'a',
head(explode('.', 'a.b')));
$this->assertEqual(
'b',
last(explode('.', 'a.b')));
}
public function testHeadKeyLastKey() {
$this->assertEqual(
'a',
head_key(array('a' => 0, 'b' => 1))
);
$this->assertEqual(
'b',
last_key(array('a' => 0, 'b' => 1))
);
$this->assertEqual(NULL, head_key(array()));
$this->assertEqual(NULL, last_key(array()));
}
public function testID() {
$this->assertEqual(true, id(true));
$this->assertEqual(false, id(false));
}
public function testIdx() {
$array = array(
'present' => true,
'null' => null,
);
$this->assertEqual(true, idx($array, 'present'));
$this->assertEqual(true, idx($array, 'present', false));
$this->assertEqual(null, idx($array, 'null'));
$this->assertEqual(null, idx($array, 'null', false));
$this->assertEqual(null, idx($array, 'missing'));
$this->assertEqual(false, idx($array, 'missing', false));
}
public function testSplitLines() {
$retain_cases = array(
"" => array(""),
"x" => array("x"),
"x\n" => array("x\n"),
"\n" => array("\n"),
"\n\n\n" => array("\n", "\n", "\n"),
"\r\n" => array("\r\n"),
"x\r\ny\n" => array("x\r\n", "y\n"),
"x\ry\nz\r\n" => array("x\r", "y\n", "z\r\n"),
"x\ry\nz\r\n\n" => array("x\r", "y\n", "z\r\n", "\n"),
);
foreach ($retain_cases as $input => $expect) {
$this->assertEqual(
$expect,
phutil_split_lines($input, $retain_endings = true),
"(Retained) ".addcslashes($input, "\r\n\\"));
}
$discard_cases = array(
"" => array(""),
"x" => array("x"),
"x\n" => array("x"),
"\n" => array(""),
"\n\n\n" => array("", "", ""),
"\r\n" => array(""),
"x\r\ny\n" => array("x", "y"),
"x\ry\nz\r\n" => array("x", "y", "z"),
"x\ry\nz\r\n\n" => array("x", "y", "z", ""),
);
foreach ($discard_cases as $input => $expect) {
$this->assertEqual(
$expect,
phutil_split_lines($input, $retain_endings = false),
"(Discarded) ".addcslashes($input, "\r\n\\"));
}
}
}

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