From 93ff75fe6b157f09c77b7493ef7257de1803298c Mon Sep 17 00:00:00 2001
From: Josh Goebel <me@joshgoebel.com>
Date: Sun, 8 Mar 2020 00:48:24 -0500
Subject: [PATCH 1/3] improve zipper tests

---
 exercises/zipper/zipper.spec.js | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)

diff --git a/exercises/zipper/zipper.spec.js b/exercises/zipper/zipper.spec.js
index d3957e5431..8eb657253e 100644
--- a/exercises/zipper/zipper.spec.js
+++ b/exercises/zipper/zipper.spec.js
@@ -27,6 +27,36 @@ describe('Zipper', () => {
     zipper = Zipper.fromTree(t1);
   });
 
+  test('left returns a new Zipper', () => {
+    let left = zipper.left();
+    expect(left).not.toBe(zipper)
+  })
+
+  test('right returns a new Zipper', () => {
+    let right = zipper.right();
+    expect(right).not.toBe(zipper)
+  })
+
+  test('setValue returns a new Zipper', () => {
+    let anotherZipper = zipper.setValue(99);
+    expect(anotherZipper).not.toBe(zipper)
+  })
+
+  test('setRight returns a new Zipper', () => {
+    let right = zipper.setRight(bt(55,null,null));
+    expect(right).not.toBe(zipper)
+  })
+
+  test('setLeft returns a new Zipper', () => {
+    let left = zipper.setLeft(bt(55,null,null));
+    expect(left).not.toBe(zipper)
+  })
+
+  test('up returns a new Zipper', () => {
+    let up = zipper.right().up();
+    expect(zipper).not.toBe(up)
+  })
+
   test('data is retained', () => {
     expect(zipper.toTree()).toEqual(t1);
   });

From 7a4c8f3c2085b1220b9acfab5572ffeaa1d09af2 Mon Sep 17 00:00:00 2001
From: "github-actions[bot]" <github-actions[bot]@users.noreply.github.com>
Date: Wed, 16 Dec 2020 21:00:18 +0000
Subject: [PATCH 2/3] [CI] Format code

---
 exercises/zipper/zipper.spec.js | 28 ++++++++++++++--------------
 1 file changed, 14 insertions(+), 14 deletions(-)

diff --git a/exercises/zipper/zipper.spec.js b/exercises/zipper/zipper.spec.js
index 8eb657253e..8f74e0da9e 100644
--- a/exercises/zipper/zipper.spec.js
+++ b/exercises/zipper/zipper.spec.js
@@ -29,33 +29,33 @@ describe('Zipper', () => {
 
   test('left returns a new Zipper', () => {
     let left = zipper.left();
-    expect(left).not.toBe(zipper)
-  })
+    expect(left).not.toBe(zipper);
+  });
 
   test('right returns a new Zipper', () => {
     let right = zipper.right();
-    expect(right).not.toBe(zipper)
-  })
+    expect(right).not.toBe(zipper);
+  });
 
   test('setValue returns a new Zipper', () => {
     let anotherZipper = zipper.setValue(99);
-    expect(anotherZipper).not.toBe(zipper)
-  })
+    expect(anotherZipper).not.toBe(zipper);
+  });
 
   test('setRight returns a new Zipper', () => {
-    let right = zipper.setRight(bt(55,null,null));
-    expect(right).not.toBe(zipper)
-  })
+    let right = zipper.setRight(bt(55, null, null));
+    expect(right).not.toBe(zipper);
+  });
 
   test('setLeft returns a new Zipper', () => {
-    let left = zipper.setLeft(bt(55,null,null));
-    expect(left).not.toBe(zipper)
-  })
+    let left = zipper.setLeft(bt(55, null, null));
+    expect(left).not.toBe(zipper);
+  });
 
   test('up returns a new Zipper', () => {
     let up = zipper.right().up();
-    expect(zipper).not.toBe(up)
-  })
+    expect(zipper).not.toBe(up);
+  });
 
   test('data is retained', () => {
     expect(zipper.toTree()).toEqual(t1);

From 3138b47954783954b524251aad48e1b74afdfef1 Mon Sep 17 00:00:00 2001
From: Derk-Jan Karrenbeld <derk-jan+github@karrenbeld.info>
Date: Thu, 24 Dec 2020 17:52:01 +0100
Subject: [PATCH 3/3] Move immutability tests to the bottom

---
 exercises/zipper/zipper.spec.js | 62 ++++++++++++++++-----------------
 1 file changed, 30 insertions(+), 32 deletions(-)

diff --git a/exercises/zipper/zipper.spec.js b/exercises/zipper/zipper.spec.js
index 8f74e0da9e..6b8e773b9a 100644
--- a/exercises/zipper/zipper.spec.js
+++ b/exercises/zipper/zipper.spec.js
@@ -1,7 +1,5 @@
 import { Zipper } from './zipper';
 
-// Tests adapted from `problem-specifications/zipper/canonical-data.json` @ v1.0.0
-
 function bt(value, left, right) {
   return {
     value,
@@ -27,36 +25,6 @@ describe('Zipper', () => {
     zipper = Zipper.fromTree(t1);
   });
 
-  test('left returns a new Zipper', () => {
-    let left = zipper.left();
-    expect(left).not.toBe(zipper);
-  });
-
-  test('right returns a new Zipper', () => {
-    let right = zipper.right();
-    expect(right).not.toBe(zipper);
-  });
-
-  test('setValue returns a new Zipper', () => {
-    let anotherZipper = zipper.setValue(99);
-    expect(anotherZipper).not.toBe(zipper);
-  });
-
-  test('setRight returns a new Zipper', () => {
-    let right = zipper.setRight(bt(55, null, null));
-    expect(right).not.toBe(zipper);
-  });
-
-  test('setLeft returns a new Zipper', () => {
-    let left = zipper.setLeft(bt(55, null, null));
-    expect(left).not.toBe(zipper);
-  });
-
-  test('up returns a new Zipper', () => {
-    let up = zipper.right().up();
-    expect(zipper).not.toBe(up);
-  });
-
   test('data is retained', () => {
     expect(zipper.toTree()).toEqual(t1);
   });
@@ -104,4 +72,34 @@ describe('Zipper', () => {
   xtest('setValue on deep focus', () => {
     expect(zipper.left().right().setValue(5).toTree()).toEqual(t6);
   });
+
+  xtest('left returns a new Zipper', () => {
+    const left = zipper.left();
+    expect(left).not.toBe(zipper);
+  });
+
+  xtest('right returns a new Zipper', () => {
+    const right = zipper.right();
+    expect(right).not.toBe(zipper);
+  });
+
+  xtest('setValue returns a new Zipper', () => {
+    const anotherZipper = zipper.setValue(99);
+    expect(anotherZipper).not.toBe(zipper);
+  });
+
+  xtest('setRight returns a new Zipper', () => {
+    const right = zipper.setRight(bt(55, null, null));
+    expect(right).not.toBe(zipper);
+  });
+
+  xtest('setLeft returns a new Zipper', () => {
+    const left = zipper.setLeft(bt(55, null, null));
+    expect(left).not.toBe(zipper);
+  });
+
+  xtest('up returns a new Zipper', () => {
+    const up = zipper.right().up();
+    expect(zipper).not.toBe(up);
+  });
 });