--- /dev/null
+<?php
+
+namespace ascertain;
+
+/**
+ * Be sure to always pass an error string as last argument to the assertion:
+ * <code>
+ * $testable->assert()
+ * ->that("name")->isLen(3, 40, "must be between 3 and 40 characters long")
+ * ->that("email")->isEmail("is not valid");
+ * </code>
+ */
+class Assert
+{
+ /**
+ * Testable properties
+ * @var array
+ */
+ private $properties;
+
+ /**
+ * The name of the currently inspected property
+ * @var string
+ */
+ private $inspectedProperty;
+
+ /**
+ * Whether the argument to when() was true
+ * @var bool
+ */
+ private $inspectCondition = true;
+
+ /**
+ * Whether assertions cause exceptions of this type
+ * @var string
+ */
+ private $exceptionClass;
+
+ /**
+ * Failed assertions
+ * @var array
+ */
+ private $validationErrors = array();
+
+ /**
+ * Succeeded assertions
+ * @var array
+ */
+ private $validationResults = array();
+
+ /**
+ * @param \ascertain\Testable $testable
+ * @param string $exceptionClass
+ */
+ function __construct(Testable $testable, $exceptionClass = null) {
+ $this->properties = $testable->export();
+ $this->exceptionClass = $exceptionClass;
+ }
+
+ /**
+ * @return int count of failed assertions
+ */
+ function hasErrors() {
+ return count($this->validationErrors);
+ }
+
+ /**
+ * @return array of failed assertions
+ */
+ function getErrors() {
+ return $this->validationErrors;
+ }
+
+ /**
+ * Reset assertions failures/results
+ * @return \ascertain\Assert
+ */
+ function resetErrors() {
+ $this->validationResults = array();
+ $this->validationErrors = array();
+ return $this;
+ }
+
+ /**
+ * Set the currently inspected property
+ * @param string $property
+ * @return \ascertain\Assert
+ */
+ function that($property) {
+ $this->inspectCondition = true;
+ $this->inspectedProperty = $property;
+ return $this;
+ }
+
+ /**
+ * The following assertions are only tested if the argument is true
+ * @param bool $condition
+ * @return \ascertain\Assert
+ */
+ function when($condition) {
+ $this->inspectCondition = $condition;
+ return $this;
+ }
+
+ /**
+ * !strcmp($v, $c)
+ * @param mixed &$r
+ * @param string $v
+ * @param string $c
+ * @return bool
+ */
+ function test(&$r, $v, $c) {
+ $r = !strcmp($v, $c);
+ return $r;
+ }
+
+ /**
+ * !strlen($v)
+ * @param mixed &$r
+ * @param string $v
+ * @return bool
+ */
+ function testNothing(&$r, $v) {
+ $r = !strlen($v);
+ return $r;
+ }
+
+ /**
+ * is_numeric($v)
+ * @param mixed &$r
+ * @param string $v
+ * @return bool
+ */
+ function testNumeric(&$r, $v) {
+ $r = is_numeric($v);
+ return $r;
+ }
+
+ /**
+ * Test whether the argument is scalar
+ * @param mixed &$r
+ * @param mixed $v
+ * @param bool $strictNulls
+ * @return bool
+ */
+ function testScalar(&$r, $v, $strictNulls = false) {
+ $r = is_scalar($v) && (!$strictNulls || !isset($v));
+ return $r;
+ }
+
+ /**
+ * Test wheter the argument constists only of printable characters
+ * @param mixed &$r
+ * @param string $v
+ * @return bool
+ */
+ function testPrintable(&$r, $v) {
+ return preg_match("/^[[:print:]\\P{Cc}]*\$/u", $v, $r) > 0;
+ }
+
+ /**
+ * Test wheter the string length is between a certain range
+ * @param mixed &$r
+ * @param string $v
+ * @param int $min
+ * @param int $max
+ * @return bool
+ */
+ function testLen(&$r, $v, $min, $max = PHP_INT_MAX) {
+ return $this->testRange($r, function_exists("mb_strlen") ? mb_strlen($v) : strlen($v), $min, $max);
+ }
+
+ /**
+ * Test wheter a value is between a certain range
+ * @param mixed &$r
+ * @param mixed $v
+ * @param mixed $min
+ * @param mixed $max
+ * @return bool
+ */
+ function testRange(&$r, $v, $min, $max) {
+ $r = (($v >= $min) && ($v <= $max));
+ return $r;
+ }
+
+ /**
+ * Test for a valid integer with FILTER_VALIDATE_INT
+ * @param mixed &$r
+ * @param mixed $v
+ * @param array $options
+ * @return bool
+ */
+ function testInteger(&$r, $v, array $options = null) {
+ $r = filter_var($v, FILTER_VALIDATE_INT, $options);
+ return $r !== false;
+ }
+
+ /**
+ * Test for a valid boolean with FILTER_VALIDATE_BOOLEAN
+ * @param mixed &$r
+ * @param type $v
+ * @param array $options
+ * @return type
+ */
+ function testBoolean(&$r, $v, array $options = null) {
+ $options["flags"] = isset($options["flags"]) ? $options["flags"]|FILTER_NULL_ON_FAILURE : FILTER_NULL_ON_FAILURE;
+ $r = filter_var($v, FILTER_VALIDATE_BOOLEAN, $options);
+ return isset($r);
+ }
+
+ /**
+ * Test for a valid float with FILTER_VALIDATE_FLOAT
+ * @param mixed &$r
+ * @param mixed $v
+ * @param array $options
+ * @return bool
+ */
+ function testFloat(&$r, $v, array $options = null) {
+ $r = filter_var($v, FILTER_VALIDATE_FLOAT, $options);
+ return $r !== false;
+ }
+
+ /**
+ * Test for a valid URL with FILTER_VALIDATE_URL
+ * @param mixed &$r
+ * @param string $v
+ * @param array $options
+ * @return bool
+ */
+ function testUrl(&$r, $v, array $options = null) {
+ $r = filter_var($v, FILTER_VALIDATE_URL, $options);
+ return $r !== false;
+ }
+
+ /**
+ * Test for a valid email address with FILTER_VALIDATE_EMAIL
+ * @param mixed &$r
+ * @param string $v
+ * @param array $options
+ * @return bool
+ */
+ function testEmail(&$r, $v, array $options = null) {
+ $r = filter_var($v, FILTER_VALIDATE_EMAIL, $options);
+ return $r !== false;
+ }
+
+ /**
+ * Test for a valid IP address with FILTER_VALIDATE_IP
+ * @param mixed &$r
+ * @param string $v
+ * @param array $options
+ * @return bool
+ */
+ function testIp(&$r, $v, array $options = null) {
+ $r = filter_var($v, FILTER_VALIDATE_IP, $options);
+ return $r !== false;
+ }
+
+ /**
+ * Test whether a string contains another string or an array contains a key
+ * @param mixed &$r
+ * @param mixed $v haystack
+ * @param string $n needle
+ * @param bool $cs case-sensitive
+ * @return bool
+ */
+ function testContaining(&$r, $v, $n, $cs = true) {
+ if (is_array($v)) {
+ if (!$cs) {
+ $v = array_change_key_case($v);
+ $n = strtolower($n);
+ }
+ if (array_key_exists($n, $v)) {
+ $r = $v[$n];
+ return true;
+ }
+ return $r = false;
+ } else {
+ if ($cs) {
+ $r = strstr($v, (string) $n);
+ } else {
+ $r = stristr($v, (string) $n);
+ }
+ return $r !== false;
+ }
+ }
+
+ /**
+ * Thest
+ * @param mixed &$r
+ * @param mixed $v
+ * @param array $a
+ * @param bool $strict
+ * @return bool
+ */
+ function testAny(&$r, $v, $a, $strict = false) {
+ return $r = in_array($v, $a, $strict);
+ }
+
+ /**
+ * Thest if a regular expression matches
+ * @param mixed &$r
+ * @param string $v
+ * @param stirng $regex
+ * @param int $flags
+ * @return bool
+ */
+ function testMatching(&$r, $v, $regex, $flags = 0) {
+ return preg_match($regex, $v, $r, $flags) > 0;
+ }
+
+ /**
+ * Semantic is(Not) wrapper to the assertions
+ * @param string $method
+ * @param array $args
+ * @return \ascertain\Assert
+ * @throws InvalidArgumentException (or rahter the configured exception)
+ */
+ function __call($method, $args) {
+ $match = null;
+ if ($this->inspectCondition && preg_match("/^is(Not(?!hing))?(.*)\$/i", $method, $match)) {
+ list(, $not, $test) = $match;
+
+ $result = null;
+ $error = array_pop($args);
+ array_unshift($args, $this->properties[$this->inspectedProperty]);
+ array_unshift($args, null);
+ $args[0] = &$result;
+ $valid = call_user_func_array(array($this, "test$test"), $args);
+ if ($valid === !!$not) {
+ $this->validationErrors[$this->inspectedProperty][] = $error;
+ if (($exception = $this->exceptionClass)) {
+ throw new $exception("$this->inspectedProperty $error");
+ }
+ }
+ $this->validationResults[$this->inspectedProperty][] = $args[0];
+ }
+ return $this;
+ }
+
+}
projects / m6w6 / ascertain / blobdiff