All setters now return self to allow easy method chaining

src/Readline.php

@@ -60,12 +60,15 @@ public function __construct($output)
      * Will redraw the current input prompt with the current input buffer.
      *
      * @param string $prompt
+     * @return self
      * @uses self::redraw()
      */
     public function setPrompt($prompt)
     {
         $this->prompt = $prompt;
         $this->redraw();
+
+        return $this;
     }
 
     /**
@@ -76,12 +79,15 @@ public function setPrompt($prompt)
      * the new setting.
      *
      * @param boolean $echo
+     * @return self
      * @uses self::redraw()
      */
     public function setEcho($echo)
     {
         $this->echo = !!$echo;
         $this->redraw();
+
+        return $this;
     }
 
     /**
@@ -91,13 +97,17 @@ public function setEcho($echo)
      * input buffer (if any).
      *
      * @param boolean $move
+     * @return self
+     * @uses self::redraw()
      */
     public function setMove($move)
     {
         $this->move = !!$move;
 
         $this->linepos = $this->strlen($this->linebuffer);
         $this->redraw();
+
+        return $this;
     }
 
     /**
@@ -107,10 +117,13 @@ public function setMove($move)
      * arrow keys.
      *
      * @param HistoryInterface|null $history
+     * @return self
      */
     public function setHistory(HistoryInterface $history = null)
     {
         $this->history = $history;
+
+        return $this;
     }
 
     /**
@@ -120,10 +133,13 @@ public function setHistory(HistoryInterface $history = null)
      * key.
      *
      * @param AutocompleteInterface|null $autocomplete
+     * @return self
      */
     public function setAutocomplete(AutocompleteInterface $autocomplete = null)
     {
         $this->autocomplete = $autocomplete;
+
+        return $this;
     }
 
     /**

tests/ReadlineTest.php

@@ -0,0 +1,19 @@
+<?php
+
+use Clue\React\Stdio\Readline;
+
+class ReadlineTest extends TestCase
+{
+    public function setUp()
+    {
+        $output = $this->getMockBuilder('Clue\React\Stdio\Stdout')->disableOriginalConstructor()->getMock();
+        $this->readline = new Readline($output);
+    }
+
+    public function testSettersReturnSelf()
+    {
+        $this->assertSame($this->readline, $this->readline->setEcho(true));
+        $this->assertSame($this->readline, $this->readline->setMove(true));
+        $this->assertSame($this->readline, $this->readline->setPrompt(''));
+    }
+}