Add tests for enums

Author: sirbrillig

Tests/VariableAnalysisSniff/EnumTest.php

@@ -0,0 +1,20 @@
+<?php
+
+namespace VariableAnalysis\Tests\VariableAnalysisSniff;
+
+use VariableAnalysis\Tests\BaseTestCase;
+
+class EnumTest extends BaseTestCase
+{
+public function testEnum()
+{
+$fixtureFile = $this->getFixture('EnumFixture.php');
+$phpcsFile = $this->prepareLocalFileForSniffs($fixtureFile);
+$phpcsFile->process();
+$lines = $this->getWarningLineNumbersFromFile($phpcsFile);
+$expectedWarnings = [
+33,
+];
+$this->assertEquals($expectedWarnings, $lines);
+}
+}

Tests/VariableAnalysisSniff/fixtures/EnumFixture.php

@@ -0,0 +1,39 @@
+<?php
+
+enum Suit
+{
+ case Hearts;
+ case Diamonds;
+ case Clubs;
+ case Spades;
+}
+
+enum BackedSuit: string
+{
+ case Hearts = 'H';
+ case Diamonds = 'D';
+ case Clubs = 'C';
+ case Spades = 'S';
+}
+
+enum Numbers: string {
+ case ONE = '1';
+ case TWO = '2';
+ case THREE = '3';
+ case FOUR = '4';
+
+ public function divisibility(): string {
+ return match ($this) {
+ self::ONE, self::THREE => 'odd',
+ self::TWO, self::FOUR => 'even',
+ };
+ }
+
+ public function foobar(): string {
+ return match ($foo) { // undefined variable $foo
+ 'x' => 'first',
+ 'y' => 'second',
+ default => 'unknown',
+ };
+ }
+}