yegor256#580 Add unit test for TextHasString

src/test/java/org/cactoos/matchers/TextHasStringTest.java

@@ -0,0 +1,66 @@
+/**
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2017-2018 Yegor Bugayenko
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+package org.cactoos.matchers;
+
+import org.cactoos.io.InputOf;
+import org.cactoos.io.Md5DigestOf;
+import org.cactoos.text.HexOf;
+import org.hamcrest.Description;
+import org.hamcrest.MatcherAssert;
+import org.hamcrest.StringDescription;
+import org.hamcrest.core.StringContains;
+import org.junit.Test;
+
+/**
+ * Test case for {@link TextHasString}.
+ *
+ * @author Nikita Salomatin (nsalomatin@hotmail.com)
+ * @version $Id$
+ * @since 0.29
+ * @checkstyle JavadocMethodCheck (500 lines)
+ */
+public final class TextHasStringTest {
+
+    @Test
+    public void hasClearDescriptionForFailedTest() throws Exception {
+        final HexOf hex = new HexOf(
+            new Md5DigestOf(
+                new InputOf("Hello World!")
+            )
+        );
+        final Description description = new StringDescription();
+        final TextHasString matcher = new TextHasString(
+            "ed076287532e86365e841e92bfc50d8c6"
+        );
+        matcher.matchesSafely(hex);
+        matcher.describeMismatchSafely(hex, description);
+        MatcherAssert.assertThat(
+            "Description is not clear ",
+            description.toString(),
+            new StringContains(
+                "Text with \"ed076287532e86365e841e92bfc50d8c\""
+            )
+        );
+    }
+}

src/test/java/org/cactoos/matchers/package-info.java

@@ -0,0 +1,32 @@
+/**
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2017-2018 Yegor Bugayenko
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+/**
+ * Matcher's tests.
+ *
+ * @author Nikita Salomatin (nsalomatin@hotmail.com)
+ * @version $Id$
+ * @since 0.1
+ */
+package org.cactoos.matchers;