howtheysre

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const fs = require('fs');
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const chai = require('chai');
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chai.use(require('chai-arrays'));
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chai.use(require('chai-string'));
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const expect = chai.expect;
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const srcMd = fs.readFileSync('../README.md', 'utf8');
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describe('Checklist', function() {
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  describe('Header', function() {
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    it('is intact', function() {
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      expect(srcMd).to.startsWith('# How they SRE');
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    });
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  });
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  describe('Section Headers', function() {
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    it('intact', function() {
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      const expectedH2List = [
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        '## Introduction',
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        '## Organizations',
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        '## SRECon Mix Playlist',
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        '## Resources',
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        '## Credits',
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        '## Other How They... repos',
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        '## Contributors',
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        '## Contribute',
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        '## Stargazers Over Time',
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        '## License'];
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      const actualList = srcMd.match(/^## (.*$)/gim);
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      expect(actualList).to.equalTo(expectedH2List);
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    });
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  });
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  describe('Organization list', function() {
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    it('is sorted', function() {
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      const orgList = srcMd.match(/(?<=<summary>)(.*?)(?=<\/summary>)/g);
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      expect(orgList).to.be.sorted(Intl.Collator().compare);
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    });
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  });
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  describe('Uniqueness', function() {
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    it('has unique items', function() {
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      const items = srcMd.match(/(?<=\* )(.*?)(?=\))/g);
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      const hasDuplicate = items.some((val, i) => items.indexOf(val) !== i);
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      expect(hasDuplicate).to.equal(false, 'List has duplicate items');
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    });
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    it('has unique link text', function() {
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      const items = srcMd.match(/(?<=\* \[)(.*?)(?=\])/g);
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      const hasDuplicate = items.some((val, i) => items.indexOf(val) !== i);
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      expect(hasDuplicate).to.equal(false, 'List has duplicate text');
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    });
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    it('has unique urls', function() {
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      const items = srcMd.match(/(?<=\* \[*.*\]\()(.*?)(?=\))/g);
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      // this link appears twice hence filtering it
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      const filteredItems = arrayRemove(items, 'https://github.com/abhivaikar/howtheytest');
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      const hasDuplicate = filteredItems
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          .some((val, i) => filteredItems.indexOf(val) !== i);
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      expect(hasDuplicate).to.equal(false, 'List has duplicate link');
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    });
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  });
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});
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function arrayRemove(arr, value) {
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  return arr.filter(function(ele) {
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    return ele != value;
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  });
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}
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