--- /dev/null
+<?php
+
+/*
+ * This file is part of the Prophecy.
+ * (c) Konstantin Kudryashov <ever.zet@gmail.com>
+ * Marcello Duarte <marcello.duarte@gmail.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Prophecy\Prediction;
+
+use Prophecy\Call\Call;
+use Prophecy\Prophecy\ObjectProphecy;
+use Prophecy\Prophecy\MethodProphecy;
+use Prophecy\Argument\ArgumentsWildcard;
+use Prophecy\Argument\Token\AnyValuesToken;
+use Prophecy\Util\StringUtil;
+use Prophecy\Exception\Prediction\NoCallsException;
+
+/**
+ * Call prediction.
+ *
+ * @author Konstantin Kudryashov <ever.zet@gmail.com>
+ */
+class CallPrediction implements PredictionInterface
+{
+ private $util;
+
+ /**
+ * Initializes prediction.
+ *
+ * @param StringUtil $util
+ */
+ public function __construct(StringUtil $util = null)
+ {
+ $this->util = $util ?: new StringUtil;
+ }
+
+ /**
+ * Tests that there was at least one call.
+ *
+ * @param Call[] $calls
+ * @param ObjectProphecy $object
+ * @param MethodProphecy $method
+ *
+ * @throws \Prophecy\Exception\Prediction\NoCallsException
+ */
+ public function check(array $calls, ObjectProphecy $object, MethodProphecy $method)
+ {
+ if (count($calls)) {
+ return;
+ }
+
+ $methodCalls = $object->findProphecyMethodCalls(
+ $method->getMethodName(),
+ new ArgumentsWildcard(array(new AnyValuesToken))
+ );
+
+ if (count($methodCalls)) {
+ throw new NoCallsException(sprintf(
+ "No calls have been made that match:\n".
+ " %s->%s(%s)\n".
+ "but expected at least one.\n".
+ "Recorded `%s(...)` calls:\n%s",
+
+ get_class($object->reveal()),
+ $method->getMethodName(),
+ $method->getArgumentsWildcard(),
+ $method->getMethodName(),
+ $this->util->stringifyCalls($methodCalls)
+ ), $method);
+ }
+
+ throw new NoCallsException(sprintf(
+ "No calls have been made that match:\n".
+ " %s->%s(%s)\n".
+ "but expected at least one.",
+
+ get_class($object->reveal()),
+ $method->getMethodName(),
+ $method->getArgumentsWildcard()
+ ), $method);
+ }
+}