revert: getBasePath() logic to original

__tests__/utils/path-utils.test.ts

@@ -0,0 +1,21 @@
+import {getBasePath} from '../../src/utils/path-utils'
+
+describe('getBasePath', () => {
+  it('tracked file in path', () => {
+    const path = 'C:/Users/Michal/Workspace/dorny/test-check/reports/jest/__tests__/main.test.js'
+    const trackedFiles = ['__tests__/main.test.js', '__tests__/second.test.js', 'lib/main.js']
+
+    const result = getBasePath(path, trackedFiles)
+
+    expect(result).toBe('C:/Users/Michal/Workspace/dorny/test-check/reports/jest/')
+  })
+
+  // it('tracked file contains part of the path', () => {
+  //   const path = 'mnt/extra-addons/product_changes/tests/first_test.py'
+  //   const trackedFiles = ['addons/product_changes/tests/first_test.py']
+  //
+  //   const result = getBasePath(path, trackedFiles)
+  //
+  //   expect(result).toBe('addons/product_changes/tests/first_test.py')
+  // })
+})

src/utils/path-utils.ts

@@ -23,21 +23,17 @@ export function getBasePath(path: string, trackedFiles: string[]): string | unde
     return ''
   }
 
+  let max = ''
   for (const file of trackedFiles) {
-    const pathParts = path.split('/')
+    if (path.endsWith(file) && file.length > max.length) {
-    const originalLength = pathParts.length
+      max = file
-    const fileParts = file.split('/')
-
-    while (pathParts.length && pathParts.slice(-1)[0] === fileParts.slice(-1)[0]) {
-      pathParts.pop()
-      fileParts.pop()
-    }
-
-    // we found some matching path parts
-    if (pathParts.length !== originalLength) {
-      return pathParts.join('/')
     }
   }
 
+  if (max === '') {
     return undefined
+  }
+
+  const base = path.substr(0, path.length - max.length)
+  return base
 }