Initial commit to create @actions/cache package

packages/cache/__tests__/cacheHttpClient.test.ts

@@ -0,0 +1,28 @@
+import {getCacheVersion} from '../src/internal/cacheHttpClient'
+import {CompressionMethod} from '../src/internal/constants'
+
+test('getCacheVersion with path input and compression method undefined returns version', async () => {
+  const inputPath = 'node_modules'
+  const result = getCacheVersion(inputPath)
+  expect(result).toEqual(
+    'b3e0c6cb5ecf32614eeb2997d905b9c297046d7cbf69062698f25b14b4cb0985'
+  )
+})
+
+test('getCacheVersion with zstd compression returns version', async () => {
+  const inputPath = 'node_modules'
+  const result = getCacheVersion(inputPath, CompressionMethod.Zstd)
+
+  expect(result).toEqual(
+    '273877e14fd65d270b87a198edbfa2db5a43de567c9a548d2a2505b408befe24'
+  )
+})
+
+test('getCacheVersion with gzip compression does not change vesion', async () => {
+  const inputPath = 'node_modules'
+  const result = getCacheVersion(inputPath, CompressionMethod.Gzip)
+
+  expect(result).toEqual(
+    'b3e0c6cb5ecf32614eeb2997d905b9c297046d7cbf69062698f25b14b4cb0985'
+  )
+})