Fix getDouble() causes MethodCannotBeConfiguredException

src/TestDouble.php

@@ -53,22 +53,14 @@ public function getDouble(
  $mockBuilder->setConstructorArgs($constructorParams);
  }
 
- $methods = [];
- $onConsecutiveCalls = [];
- $otherCalls = [];
+ [$onConsecutiveCalls, $otherCalls, $methods] = $this->processParams($params);
 
- foreach ($params as $key => $val) {
- if (is_int($key)) {
- $onConsecutiveCalls = array_merge($onConsecutiveCalls, $val);
- $methods[] = array_keys($val)[0];
- } else {
- $otherCalls[$key] = $val;
- $methods[] = $key;
- }
+ if ($methods === []) {
+ $mock = $mockBuilder->getMock();
+ } else {
+ $mock = $mockBuilder->onlyMethods($methods)->getMock();
  }
 
- $mock = $mockBuilder->onlyMethods($methods)->getMock();
-
  foreach ($onConsecutiveCalls as $method => $returns) {
  $mock->expects($this->any())->method($method)
  ->will(
@@ -99,6 +91,30 @@ public function getDouble(
  return $mock;
  }
 
+ /**
+ * @param array<string, mixed>|array<array> $params [method_name => return_value]
+ *
+ * @return array{0: array<string, array<string>>, 1: array<string, mixed>, 2: string[]}
+ */
+ private function processParams(array $params): array
+ {
+ $onConsecutiveCalls = [];
+ $otherCalls = [];
+ $methods = [];
+
+ foreach ($params as $key => $val) {
+ if (is_int($key)) {
+ $onConsecutiveCalls = array_merge($onConsecutiveCalls, $val);
+ $methods[] = array_keys($val)[0];
+ } else {
+ $otherCalls[$key] = $val;
+ $methods[] = $key;
+ }
+ }
+
+ return [$onConsecutiveCalls, $otherCalls, $methods];
+ }
+
  /**
  * @param array<mixed>|null $params
  * @param mixed $expects

tests/Fake/Email.php

@@ -10,4 +10,8 @@ public function to(string $to): Email
  {
  return $this;
  }
+
+ public function batch_bcc_send(): void
+ {
+ }
 }

tests/TestDoubleTest.php

@@ -168,4 +168,12 @@ public function test_verifyNeverInvoked(): void
 
  $this->verifyNeverInvoked($mock, 'method');
  }
+
+ public function test_create_mock_with_no_params_and_verifyInvokedOnce(): void
+ {
+ $mock = $this->getDouble(Email::class, []);
+ $this->verifyInvokedOnce($mock, 'batch_bcc_send');
+
+ $mock->batch_bcc_send();
+ }
 }