Develop tests for HeadPrint and BodyPrint yegor256#1075

src/test/java/org/takes/rs/BodyPrintTest.java

@@ -0,0 +1,50 @@
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2014-2019 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.takes.rs;
+
+import java.io.IOException;
+import org.hamcrest.MatcherAssert;
+import org.hamcrest.core.IsEqual;
+import org.hamcrest.object.HasToString;
+import org.junit.Test;
+
+/**
+ * Test case for {@link BodyPrint}.
+ * @since 1.19
+ */
+public final class BodyPrintTest {
+
+    @Test
+    public void simple() throws IOException {
+        MatcherAssert.assertThat(
+            "must write body",
+            new BodyPrint(
+                new RsText("World!")
+            ).asString(),
+            new HasToString<>(
+                new IsEqual<>("World!")
+            )
+        );
+    }
+}

src/test/java/org/takes/rs/HeadPrintTest.java

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+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2014-2019 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.takes.rs;
+
+import java.io.IOException;
+import org.cactoos.iterable.IterableOf;
+import org.cactoos.set.SetOf;
+import org.hamcrest.MatcherAssert;
+import org.hamcrest.core.IsEqual;
+import org.hamcrest.object.HasToString;
+import org.junit.Test;
+import org.llorllale.cactoos.matchers.Assertion;
+
+/**
+ * Test case for {@link HeadPrint}.
+ * @since 1.19
+ */
+public final class HeadPrintTest {
+
+    /**
+     * HeadPrint can fail on invalid chars.
+     * @throws IOException If some problem inside
+     */
+    @Test(expected = IllegalArgumentException.class)
+    public void failsOnInvalidHeader() throws IOException {
+        new HeadPrint(new RsWithHeader("name", "\n\n\n")).asString();
+    }
+
+    @Test
+    public void simple() throws IOException {
+        MatcherAssert.assertThat(
+            "must write head",
+            new HeadPrint(
+                new RsSimple(new SetOf<>("HTTP/1.1 500 Internal Server Error"), "")
+            ).asString(),
+            new HasToString<>(
+                new IsEqual<>("HTTP/1.1 500 Internal Server Error\r\n\r\n")
+            )
+        );
+    }
+
+    /**
+     * RFC 7230 says we shall support dashes in response first line.
+     */
+    @Test
+    public void simpleWithDash() throws IOException {
+        new Assertion<>(
+            "must write head with dashes",
+            new HeadPrint(
+                new RsSimple(new IterableOf<>("HTTP/1.1 203 Non-Authoritative"), "")
+            ).asString(),
+            new HasToString<>(
+                new IsEqual<>("HTTP/1.1 203 Non-Authoritative\r\n\r\n")
+            )
+        );
+    }
+}