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2 files changed, 296 insertions, 0 deletions

diff --git a/test/unit/specs/services/html_converter/html_line_converter.spec.js b/test/unit/specs/services/html_converter/html_line_converter.spec.js
new file mode 100644
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+++ b/test/unit/specs/services/html_converter/html_line_converter.spec.js
@@ -0,0 +1,130 @@
+import { convertHtmlToLines } from 'src/services/html_converter/html_line_converter.service.js'
+
+const mapOnlyText = (processor) => (input) => input.text ? processor(input.text) : input
+
+describe('TinyPostHTMLProcessor', () => {
+  describe('with processor that keeps original line should not make any changes to HTML when', () => {
+    const processorKeep = (line) => line
+    it('fed with regular HTML with newlines', () => {
+      const inputOutput = '1<br/>2<p class="lol">3 4</p> 5 \n 6 <p > 7 <br> 8 </p> <br>\n<br/>'
+      const result = convertHtmlToLines(inputOutput)
+      const comparableResult = result.map(mapOnlyText(processorKeep)).join('')
+      expect(comparableResult).to.eql(inputOutput)
+    })
+
+    it('fed with possibly broken HTML with invalid tags/composition', () => {
+      const inputOutput = '<feeee dwdwddddddw> <i>ayy<b>lm</i>ao</b> </section>'
+      const result = convertHtmlToLines(inputOutput)
+      const comparableResult = result.map(mapOnlyText(processorKeep)).join('')
+      expect(comparableResult).to.eql(inputOutput)
+    })
+
+    it('fed with very broken HTML with broken composition', () => {
+      const inputOutput = '</p> lmao what </div> whats going on <div> wha <p>'
+      const result = convertHtmlToLines(inputOutput)
+      const comparableResult = result.map(mapOnlyText(processorKeep)).join('')
+      expect(comparableResult).to.eql(inputOutput)
+    })
+
+    it('fed with sorta valid HTML but tags aren\'t closed', () => {
+      const inputOutput = 'just leaving a <div> hanging'
+      const result = convertHtmlToLines(inputOutput)
+      const comparableResult = result.map(mapOnlyText(processorKeep)).join('')
+      expect(comparableResult).to.eql(inputOutput)
+    })
+
+    it('fed with not really HTML at this point... tags that aren\'t finished', () => {
+      const inputOutput = 'do you expect me to finish this <div class='
+      const result = convertHtmlToLines(inputOutput)
+      const comparableResult = result.map(mapOnlyText(processorKeep)).join('')
+      expect(comparableResult).to.eql(inputOutput)
+    })
+
+    it('fed with dubiously valid HTML (p within p and also div inside p)', () => {
+      const inputOutput = 'look ma <p> p \nwithin <p> p! </p> and a <br/><div>div!</div></p>'
+      const result = convertHtmlToLines(inputOutput)
+      const comparableResult = result.map(mapOnlyText(processorKeep)).join('')
+      expect(comparableResult).to.eql(inputOutput)
+    })
+
+    it('fed with maybe valid HTML? self-closing divs and ps', () => {
+      const inputOutput = 'a <div class="what"/> what now <p aria-label="wtf"/> ?'
+      const result = convertHtmlToLines(inputOutput)
+      const comparableResult = result.map(mapOnlyText(processorKeep)).join('')
+      expect(comparableResult).to.eql(inputOutput)
+    })
+
+    it('fed with valid XHTML containing a CDATA', () => {
+      const inputOutput = 'Yes, it is me, <![CDATA[DIO]]>'
+      const result = convertHtmlToLines(inputOutput)
+      const comparableResult = result.map(mapOnlyText(processorKeep)).join('')
+      expect(comparableResult).to.eql(inputOutput)
+    })
+  })
+  describe('with processor that replaces lines with word "_" should match expected line when', () => {
+    const processorReplace = (line) => '_'
+    it('fed with regular HTML with newlines', () => {
+      const input = '1<br/>2<p class="lol">3 4</p> 5 \n 6 <p > 7 <br> 8 </p> <br>\n<br/>'
+      const output = '_<br/>_<p class="lol">_</p>_\n_<p >_<br>_</p> <br>\n<br/>'
+      const result = convertHtmlToLines(input)
+      const comparableResult = result.map(mapOnlyText(processorReplace)).join('')
+      expect(comparableResult).to.eql(output)
+    })
+
+    it('fed with possibly broken HTML with invalid tags/composition', () => {
+      const input = '<feeee dwdwddddddw> <i>ayy<b>lm</i>ao</b> </section>'
+      const output = '_'
+      const result = convertHtmlToLines(input)
+      const comparableResult = result.map(mapOnlyText(processorReplace)).join('')
+      expect(comparableResult).to.eql(output)
+    })
+
+    it('fed with very broken HTML with broken composition', () => {
+      const input = '</p> lmao what </div> whats going on <div> wha <p>'
+      const output = '</p>_</div>_<div>_<p>'
+      const result = convertHtmlToLines(input)
+      const comparableResult = result.map(mapOnlyText(processorReplace)).join('')
+      expect(comparableResult).to.eql(output)
+    })
+
+    it('fed with sorta valid HTML but tags aren\'t closed', () => {
+      const input = 'just leaving a <div> hanging'
+      const output = '_<div>_'
+      const result = convertHtmlToLines(input)
+      const comparableResult = result.map(mapOnlyText(processorReplace)).join('')
+      expect(comparableResult).to.eql(output)
+    })
+
+    it('fed with not really HTML at this point... tags that aren\'t finished', () => {
+      const input = 'do you expect me to finish this <div class='
+      const output = '_'
+      const result = convertHtmlToLines(input)
+      const comparableResult = result.map(mapOnlyText(processorReplace)).join('')
+      expect(comparableResult).to.eql(output)
+    })
+
+    it('fed with dubiously valid HTML (p within p and also div inside p)', () => {
+      const input = 'look ma <p> p \nwithin <p> p! </p> and a <br/><div>div!</div></p>'
+      const output = '_<p>_\n_<p>_</p>_<br/><div>_</div></p>'
+      const result = convertHtmlToLines(input)
+      const comparableResult = result.map(mapOnlyText(processorReplace)).join('')
+      expect(comparableResult).to.eql(output)
+    })
+
+    it('fed with maybe valid HTML? self-closing divs and ps', () => {
+      const input = 'a <div class="what"/> what now <p aria-label="wtf"/> ?'
+      const output = '_<div class="what"/>_<p aria-label="wtf"/>_'
+      const result = convertHtmlToLines(input)
+      const comparableResult = result.map(mapOnlyText(processorReplace)).join('')
+      expect(comparableResult).to.eql(output)
+    })
+
+    it('fed with valid XHTML containing a CDATA', () => {
+      const input = 'Yes, it is me, <![CDATA[DIO]]>'
+      const output = '_'
+      const result = convertHtmlToLines(input)
+      const comparableResult = result.map(mapOnlyText(processorReplace)).join('')
+      expect(comparableResult).to.eql(output)
+    })
+  })
+})
diff --git a/test/unit/specs/services/html_converter/html_tree_converter.spec.js b/test/unit/specs/services/html_converter/html_tree_converter.spec.js
new file mode 100644
index 00000000..a54745c3
--- /dev/null
+++ b/test/unit/specs/services/html_converter/html_tree_converter.spec.js
@@ -0,0 +1,166 @@
+import { convertHtmlToTree, processTextForEmoji, getAttrs } from 'src/services/html_converter/html_tree_converter.service.js'
+
+describe('MiniHtmlConverter', () => {
+  describe('convertHtmlToTree', () => {
+    it('converts html into a tree structure', () => {
+      const input = '1 <p>2</p> <b>3<img src="a">4</b>5'
+      expect(convertHtmlToTree(input)).to.eql([
+        '1 ',
+        [
+          '<p>',
+          ['2'],
+          '</p>'
+        ],
+        ' ',
+        [
+          '<b>',
+          [
+            '3',
+            ['<img src="a">'],
+            '4'
+          ],
+          '</b>'
+        ],
+        '5'
+      ])
+    })
+    it('converts html to tree while preserving tag formatting', () => {
+      const input = '1 <p >2</p><b >3<img   src="a">4</b>5'
+      expect(convertHtmlToTree(input)).to.eql([
+        '1 ',
+        [
+          '<p >',
+          ['2'],
+          '</p>'
+        ],
+        [
+          '<b >',
+          [
+            '3',
+            ['<img   src="a">'],
+            '4'
+          ],
+          '</b>'
+        ],
+        '5'
+      ])
+    })
+    it('converts semi-broken html', () => {
+      const input = '1 <br> 2 <p> 42'
+      expect(convertHtmlToTree(input)).to.eql([
+        '1 ',
+        ['<br>'],
+        ' 2 ',
+        [
+          '<p>',
+          [' 42']
+        ]
+      ])
+    })
+    it('realistic case 1', () => {
+      const input = '<p><span class="h-card"><a class="u-url mention" data-user="9wRC6T2ZZiKWJ0vUi8" href="https://cawfee.club/users/benis" rel="ugc">@<span>benis</span></a></span> <span class="h-card"><a class="u-url mention" data-user="194" href="https://shigusegubu.club/users/hj" rel="ugc">@<span>hj</span></a></span> nice</p>'
+      expect(convertHtmlToTree(input)).to.eql([
+        [
+          '<p>',
+          [
+            [
+              '<span class="h-card">',
+              [
+                [
+                  '<a class="u-url mention" data-user="9wRC6T2ZZiKWJ0vUi8" href="https://cawfee.club/users/benis" rel="ugc">',
+                  [
+                    '@',
+                    [
+                      '<span>',
+                      [
+                        'benis'
+                      ],
+                      '</span>'
+                    ]
+                  ],
+                  '</a>'
+                ]
+              ],
+              '</span>'
+            ],
+            ' ',
+            [
+              '<span class="h-card">',
+              [
+                [
+                  '<a class="u-url mention" data-user="194" href="https://shigusegubu.club/users/hj" rel="ugc">',
+                  [
+                    '@',
+                    [
+                      '<span>',
+                      [
+                        'hj'
+                      ],
+                      '</span>'
+                    ]
+                  ],
+                  '</a>'
+                ]
+              ],
+              '</span>'
+            ],
+            ' nice'
+          ],
+          '</p>'
+        ]
+      ])
+    })
+    it('realistic case 2', () => {
+      const inputOutput = 'Country improv: give me a city<br/>Audience: Memphis<br/>Improv troupe: come on, a better one<br/>Audience: el paso'
+      expect(convertHtmlToTree(inputOutput)).to.eql([
+        'Country improv: give me a city',
+        [
+          '<br/>'
+        ],
+        'Audience: Memphis',
+        [
+          '<br/>'
+        ],
+        'Improv troupe: come on, a better one',
+        [
+          '<br/>'
+        ],
+        'Audience: el paso'
+      ])
+    })
+  })
+
+  describe('processTextForEmoji', () => {
+    it('processes all emoji in text', () => {
+      const input = 'Hello from finland! :lol: We have best water! :lmao:'
+      const emojis = [
+        { shortcode: 'lol', src: 'LOL' },
+        { shortcode: 'lmao', src: 'LMAO' }
+      ]
+      const processor = ({ shortcode, src }) => ({ shortcode, src })
+      expect(processTextForEmoji(input, emojis, processor)).to.eql([
+        'Hello from finland! ',
+        { shortcode: 'lol', src: 'LOL' },
+        ' We have best water! ',
+        { shortcode: 'lmao', src: 'LMAO' }
+      ])
+    })
+    it('leaves text as is', () => {
+      const input = 'Number one: that\'s terror'
+      const emojis = []
+      const processor = ({ shortcode, src }) => ({ shortcode, src })
+      expect(processTextForEmoji(input, emojis, processor)).to.eql([
+        'Number one: that\'s terror'
+      ])
+    })
+  })
+
+  describe('getAttrs', () => {
+    it('extracts arguments from tag', () => {
+      const input = '<img src="boop" cool ebin=\'true\'>'
+      const output = { src: 'boop', cool: true, ebin: 'true' }
+
+      expect(getAttrs(input)).to.eql(output)
+    })
+  })
+})