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services/web/test/frontend/ide/human-readable-logs/human-readable-logs.test.js

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+import { expect } from 'chai'
+import HumanReadableLogs from '../../../../frontend/js/ide/human-readable-logs/HumanReadableLogs'
+import { readFile } from 'fs/promises'
+import { join } from 'path'
+import { some } from 'lodash'
+
+const fixturePath = '../../helpers/fixtures/logs/'
+
+async function parse(fixtureName) {
+  const filePath = join(__dirname, fixturePath, fixtureName)
+  const data = await readFile(filePath, 'utf-8', 'r')
+  return HumanReadableLogs.parse(data)
+}
+
+describe('HumanReadableLogs', function () {
+  describe('Undefined commands', function () {
+    before(async function () {
+      this.errors = (await parse('undefined-control-sequence.log')).errors
+    })
+
+    describe('For unknown commands', function () {
+      it('Identifies command at beginning of line', function () {
+        expect(
+          some(this.errors, {
+            line: 3,
+            level: 'error',
+            message: 'Undefined control sequence.',
+          })
+        ).to.be.true
+      })
+      it('Identifies command at end of line', function () {
+        expect(
+          some(this.errors, {
+            line: 4,
+            level: 'error',
+            message: 'Undefined control sequence.',
+          })
+        ).to.be.true
+      })
+      it('Identifies command inside argument', function () {
+        expect(
+          some(this.errors, {
+            line: 5,
+            level: 'error',
+            message: 'Undefined control sequence.',
+          })
+        ).to.be.true
+      })
+    })
+
+    describe('For known commands', function () {
+      it('Identifies command at beginning of line', function () {
+        expect(
+          some(this.errors, {
+            line: 6,
+            level: 'error',
+            message: 'Is \\usepackage{url} missing?',
+          })
+        ).to.be.true
+      })
+      it('Identifies command at end of line', function () {
+        expect(
+          some(this.errors, {
+            line: 7,
+            level: 'error',
+            message: 'Is \\usepackage{amsmath} missing?',
+          })
+        ).to.be.true
+      })
+      it('Identifies command inside argument', function () {
+        expect(
+          some(this.errors, {
+            line: 8,
+            level: 'error',
+            message: 'Is \\usepackage{array} missing?',
+          })
+        ).to.be.true
+      })
+    })
+  })
+})