Group tests in a describe

Author: charliejmoore

Sorts/test/CycleSort.test.js

@@ -1,67 +1,69 @@
 import { cycleSort } from '../CycleSort'
 
-it('should correctly sort an input list that is sorted backwards', () => {
-  const array = [5, 4, 3, 2, 1]
-  expect(cycleSort(array)).toEqual([1, 2, 3, 4, 5])
-})
-
-it('should correctly sort an input list that is unsorted', () => {
-  const array = [15, 24, 3, 2224, 1]
-  expect(cycleSort(array)).toEqual([1, 3, 15, 24, 2224])
-})
-
-describe('Variations of input array lengths', () => {
-  it('should return an empty list with the input list is an empty list', () => {
-    expect(cycleSort([])).toEqual([])
+describe('cycleSort function', () => {
+  it('should correctly sort an input list that is sorted backwards', () => {
+    const array = [5, 4, 3, 2, 1]
+    expect(cycleSort(array)).toEqual([1, 2, 3, 4, 5])
   })
 
-  it('should correctly sort an input list of length 1', () => {
-    expect(cycleSort([100])).toEqual([100])
+  it('should correctly sort an input list that is unsorted', () => {
+    const array = [15, 24, 3, 2224, 1]
+    expect(cycleSort(array)).toEqual([1, 3, 15, 24, 2224])
   })
 
-  it('should correctly sort an input list of an odd length', () => {
-    expect(cycleSort([101, -10, 321])).toEqual([-10, 101, 321])
-  })
+  describe('Variations of input array lengths', () => {
+    it('should return an empty list with the input list is an empty list', () => {
+      expect(cycleSort([])).toEqual([])
+    })
 
-  it('should correctly sort an input list of an even length', () => {
-    expect(cycleSort([40, 42, 56, 45, 12, 3])).toEqual([3, 12, 40, 42, 45, 56])
-  })
-})
+    it('should correctly sort an input list of length 1', () => {
+      expect(cycleSort([100])).toEqual([100])
+    })
 
-describe('Variations of input array elements', () => {
-  it('should correctly sort an input list that contains only positive numbers', () => {
-    expect(cycleSort([50, 33, 11, 2])).toEqual([2, 11, 33, 50])
-  })
+    it('should correctly sort an input list of an odd length', () => {
+      expect(cycleSort([101, -10, 321])).toEqual([-10, 101, 321])
+    })
 
-  it('should correctly sort an input list that contains only negative numbers', () => {
-    expect(cycleSort([-1, -21, -2, -35])).toEqual([-35, -21, -2, -1])
+    it('should correctly sort an input list of an even length', () => {
+      expect(cycleSort([40, 42, 56, 45, 12, 3])).toEqual([3, 12, 40, 42, 45, 56])
+    })
   })
 
-  it('should correctly sort an input list that contains only a mix of positive and negative numbers', () => {
-    expect(cycleSort([-40, 42, 56, -45, 12, -3])).toEqual([-45, -40, -3, 12, 42, 56])
-  })
+  describe('Variations of input array elements', () => {
+    it('should correctly sort an input list that contains only positive numbers', () => {
+      expect(cycleSort([50, 33, 11, 2])).toEqual([2, 11, 33, 50])
+    })
 
-  it('should correctly sort an input list that contains only whole numbers', () => {
-    expect(cycleSort([11, 3, 12, 4, -15])).toEqual([-15, 3, 4, 11, 12])
-  })
+    it('should correctly sort an input list that contains only negative numbers', () => {
+      expect(cycleSort([-1, -21, -2, -35])).toEqual([-35, -21, -2, -1])
+    })
 
-  it('should correctly sort an input list that contains only decimal numbers', () => {
-    expect(cycleSort([1.0, 1.42, 2.56, 33.45, 13.12, 2.3])).toEqual([1.0, 1.42, 2.3, 2.56, 13.12, 33.45])
-  })
+    it('should correctly sort an input list that contains only a mix of positive and negative numbers', () => {
+      expect(cycleSort([-40, 42, 56, -45, 12, -3])).toEqual([-45, -40, -3, 12, 42, 56])
+    })
 
-  it('should correctly sort an input list that contains only a mix of whole and decimal', () => {
-    expect(cycleSort([32.40, 12.42, 56, 45, 12, 3])).toEqual([3, 12, 12.42, 32.40, 45, 56])
-  })
+    it('should correctly sort an input list that contains only whole numbers', () => {
+      expect(cycleSort([11, 3, 12, 4, -15])).toEqual([-15, 3, 4, 11, 12])
+    })
 
-  it('should correctly sort an input list that contains only fractional numbers', () => {
-    expect(cycleSort([0.98, 0.4259, 0.56, -0.456, -0.12, 0.322])).toEqual([-0.456, -0.12, 0.322, 0.4259, 0.56, 0.98])
-  })
+    it('should correctly sort an input list that contains only decimal numbers', () => {
+      expect(cycleSort([1.0, 1.42, 2.56, 33.45, 13.12, 2.3])).toEqual([1.0, 1.42, 2.3, 2.56, 13.12, 33.45])
+    })
 
-  it('should correctly sort an input list that contains only a mix of whole, decimal, and fractional', () => {
-    expect(cycleSort([-40, -0.222, 5.6, -4.5, 12, 0.333])).toEqual([-40, -4.5, -0.222, 0.333, 5.6, 12])
-  })
+    it('should correctly sort an input list that contains only a mix of whole and decimal', () => {
+      expect(cycleSort([32.40, 12.42, 56, 45, 12, 3])).toEqual([3, 12, 12.42, 32.40, 45, 56])
+    })
+
+    it('should correctly sort an input list that contains only fractional numbers', () => {
+      expect(cycleSort([0.98, 0.4259, 0.56, -0.456, -0.12, 0.322])).toEqual([-0.456, -0.12, 0.322, 0.4259, 0.56, 0.98])
+    })
+
+    it('should correctly sort an input list that contains only a mix of whole, decimal, and fractional', () => {
+      expect(cycleSort([-40, -0.222, 5.6, -4.5, 12, 0.333])).toEqual([-40, -4.5, -0.222, 0.333, 5.6, 12])
+    })
 
-  it('should correctly sort an input list that contains duplicates', () => {
-    expect(cycleSort([4, 3, 4, 2, 1, 2])).toEqual([1, 2, 2, 3, 4, 4])
+    it('should correctly sort an input list that contains duplicates', () => {
+      expect(cycleSort([4, 3, 4, 2, 1, 2])).toEqual([1, 2, 2, 3, 4, 4])
+    })
   })
 })