add common utils and matcher class

Author: IlyaPechersky

qulice-checkstyle/src/test/java/com/qulice/checkstyle/CheckstyleMetainfoTest.java

@@ -0,0 +1,74 @@
+/*
+ * Copyright (c) 2011-2024 Qulice.com
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met: 1) Redistributions of source code must retain the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer. 2) Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution. 3) Neither the name of the Qulice.com nor
+ * the names of its contributors may be used to endorse or promote
+ * products derived from this software without specific prior written
+ * permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT
+ * NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+package com.qulice.checkstyle;
+
+import org.junit.jupiter.api.BeforeAll;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.TestInstance;
+
+/**
+ * Test case for file metainfo validation.
+ * @since 0.3
+ */
+@SuppressWarnings(
+    {
+        "PMD.TooManyMethods", "PMD.AvoidDuplicateLiterals", "PMD.GodClass"
+    }
+)
+@TestInstance(TestInstance.Lifecycle.PER_CLASS)
+final class CheckstyleMetainfoTest {
+
+    /**
+     * Local Common (JavaHelper pattern) with useful utils to test checkstyle.
+     */
+    private Common common;
+
+    @BeforeAll
+    public void setcommon() {
+        this.common = new Common();
+    }
+
+    @BeforeEach
+    public void setRule() {
+        this.common.updateRule();
+    }
+
+    /**
+     * CheckstyleValidator can deny binary contents in java file.
+     * This is test for #1264.
+     * @throws Exception If something wrong happens inside
+     */
+    @Test
+    void rejectsJavaFileWithBinaryContent() throws Exception {
+        this.common.runValidation("JavaFileWithBinaryContent.java", false);
+    }
+}