From ee852879aa6599bfd627b949f0d8d7caa100c457 Mon Sep 17 00:00:00 2001
From: andreoss <andreoss@sdf.org>
Date: Thu, 29 Apr 2021 18:29:28 -0400
Subject: [PATCH] (#1589) Add `toString`, `equals` & `hashCode` to
 `text.Sticky`

---
 src/main/java/org/cactoos/text/Sticky.java    | 18 ++++--------
 .../java/org/cactoos/text/StickyTest.java     | 29 +++++++++++++++++++
 2 files changed, 35 insertions(+), 12 deletions(-)

diff --git a/src/main/java/org/cactoos/text/Sticky.java b/src/main/java/org/cactoos/text/Sticky.java
index 59f0f8a1ce..c043886888 100644
--- a/src/main/java/org/cactoos/text/Sticky.java
+++ b/src/main/java/org/cactoos/text/Sticky.java
@@ -23,7 +23,6 @@
  */
 package org.cactoos.text;
 
-import org.cactoos.Scalar;
 import org.cactoos.Text;
 
 /**
@@ -37,22 +36,17 @@
  * @see org.cactoos.scalar.Sticky
  * @since 0.47
  */
-public final class Sticky implements Text {
-    /**
-     * Sticky scalar.
-     */
-    private final Scalar<String> scalar;
-
+public final class Sticky extends TextEnvelope {
     /**
      * Ctor.
      * @param txt Text to cache
      */
     public Sticky(final Text txt) {
-        this.scalar = new org.cactoos.scalar.Sticky<>(txt::asString);
+        super(
+            new TextOfScalar(
+                new org.cactoos.scalar.Sticky<>(txt::asString)
+            )
+        );
     }
 
-    @Override
-    public String asString() throws Exception {
-        return this.scalar.value();
-    }
 }
diff --git a/src/test/java/org/cactoos/text/StickyTest.java b/src/test/java/org/cactoos/text/StickyTest.java
index 2a569dd138..f4e51178cb 100644
--- a/src/test/java/org/cactoos/text/StickyTest.java
+++ b/src/test/java/org/cactoos/text/StickyTest.java
@@ -24,6 +24,10 @@
 package org.cactoos.text;
 
 import org.cactoos.Text;
+import org.hamcrest.core.AllOf;
+import org.hamcrest.core.IsEqual;
+import org.hamcrest.core.IsNot;
+import org.hamcrest.object.HasToString;
 import org.junit.jupiter.api.Test;
 import org.llorllale.cactoos.matchers.Assertion;
 import org.llorllale.cactoos.matchers.IsText;
@@ -31,6 +35,7 @@
 /**
  * Test case for {@link Sticky}.
  * @since 0.47
+ * @checkstyle ClassDataAbstractionCouplingCheck (100 lines)
  */
 final class StickyTest {
     @Test
@@ -42,4 +47,28 @@ void cachesResult() {
             new IsText(sticky)
         ).affirm();
     }
+
+    @Test
+    void equalsItself() {
+        final Text random = new Randomized();
+        final Text sticky = new Sticky(random);
+        new Assertion<>(
+            "must be the same as itself",
+            sticky,
+            new AllOf<Text>(
+                new IsEqual<>(sticky),
+                new IsNot<>(new IsEqual<>(random))
+            )
+        ).affirm();
+    }
+
+    @Test
+    void hasProperToString() {
+        final String str = "Hello";
+        new Assertion<>(
+            "must have toString method",
+            new Sticky(() -> str),
+            new HasToString<>(new IsEqual<>(str))
+        ).affirm();
+    }
 }