test: unit test

Author: hoiheart

__tests__/utils.spec.ts

@@ -1,57 +1,26 @@
 import { ref } from 'vue'
 import { MODIFIED_START_TAG, MODIFIED_CLOSE_TAG, getDiffType, getSplitLines, getUnifiedLines, renderLines, renderWords, setHighlightCode } from '../src/utils'
 
-describe('Utils unit', () => {
-  const added = {
-    count: 1,
-    added: true,
-    removed: undefined,
-    value: ''
-  }
-
-  const removed = {
-    count: 1,
-    added: undefined,
-    removed: true,
-    value: ''
-  }
+import type { Diff } from 'diff-match-patch'
 
-  const equal = {
-    count: 1,
-    added: undefined,
-    removed: undefined,
-    value: ''
-  }
-
-  const disabled = {
-    value: ''
-  }
+describe('Utils unit', () => {
+  // diff-match-patch output
+  const added: Diff = [1, '']
+  const removed: Diff = [-1, '']
+  const equal: Diff = [0, '']
+  // custom output
+  const disabled: Diff = [2, '']
 
-  const prev = 'a\nb'
-  const curr = 'c'
+  const prev: Diff = [-1, 'a\nb']
+  const curr: Diff = [1, 'c']
 
-  const diffsMap = [
-    [
-      {
-        count: 2,
-        added: undefined,
-        removed: true,
-        value: prev
-      },
-      {
-        count: 1,
-        added: true,
-        removed: undefined,
-        value: curr
-      }
-    ]
-  ]
+  const diffsMap = [[prev, curr]]
 
   it('getDiffType', () => {
-    expect(getDiffType(added)).toBe('added')
-    expect(getDiffType(removed)).toBe('removed')
-    expect(getDiffType(equal)).toBe('equal')
-    expect(getDiffType(disabled)).toBe('disabled')
+    expect(getDiffType(added[0])).toBe('added')
+    expect(getDiffType(removed[0])).toBe('removed')
+    expect(getDiffType(equal[0])).toBe('equal')
+    expect(getDiffType(disabled[0])).toBe('disabled')
   })
 
   it('getSplitLines', () => {
@@ -60,7 +29,7 @@ describe('Utils unit', () => {
     expect(result[0][0].type).toBe('removed')
     expect(result[0][0].lineNum).toBe(1)
     expect(result[0][0].value).toBe('a')
-    expect(result[0][0].chkWords).toBe(false)
+    expect(result[0][0].chkWords).toBe(true)
   })
 
   it('getUnifiedLines', () => {
@@ -78,16 +47,15 @@ describe('Utils unit', () => {
   })
 
   it('getUnifiedLines', () => {
-    const split = renderLines('split', prev, curr)
-    const unified = renderLines('unified', prev, curr)
+    const split = renderLines('split', prev[1], curr[1])
+    const unified = renderLines('unified', prev[1], curr[1])
     expect(split.length).toBe(2)
     expect(unified.length).toBe(3)
   })
 
   it('renderWords', () => {
     expect(renderWords('abc', 'abc')).toBe('abc')
-    expect(renderWords('abc', 'acc')).toBe(`${MODIFIED_START_TAG}acc${MODIFIED_CLOSE_TAG}`)
-    expect(renderWords('a b c', 'a c c')).toBe(`a ${MODIFIED_START_TAG}c${MODIFIED_CLOSE_TAG} c`)
+    expect(renderWords('abc', 'acc')).toBe(`a${MODIFIED_START_TAG}c${MODIFIED_CLOSE_TAG}c`)
   })
 
   it('setHighlightCode', () => {