Use folder-hash instead of hash-files. (#45)

* Use folder-hash instead of hash-files.

* Fix indentation in jest.config.js

* awaits in separate lines

.github/workflows/test-build.yml

@@ -5,7 +5,7 @@ on:
 
 jobs:
   test-build:
-    name: Check if the source files build successfully and match dist/ directory
+    name: Build the action and run TypeScript tests
     runs-on: ubuntu-latest
     steps:
       - name: Checkout the action
@@ -24,7 +24,7 @@ jobs:
             -u does_not_matter -p ${{ secrets.GITHUB_TOKEN }} -e does_not_m@ter.com
       - name: Install dependencies
         run: npm ci
-      - name: Rebuild the action
+      - name: Rebuild the action and run tests
         run: npm run all
       - name: Compare the expected and actual src/ directories
         run: |

.github/workflows/test-cache.yml

@@ -45,7 +45,7 @@ jobs:
         run: |
           RUSTC=$(rustc --version | sed -e 's/\s\+/-/g')
           SEMVER_CHECKS=$(cargo semver-checks --version | sed -e 's/\s\+/-/g')
-          echo "KEY=testprefix-testkey-linux-$RUSTC-$SEMVER_CHECKS-da39a3ee5e6b4b0d3255bfef95601890afd80709-semver-checks-rustdoc" >> $GITHUB_OUTPUT
+          echo "KEY=testprefix-testkey-linux-$RUSTC-$SEMVER_CHECKS-d41d8cd98f00b204e9800998ecf8427e-semver-checks-rustdoc" >> $GITHUB_OUTPUT
       - name: Download saved cache
         uses: actions/cache/restore@v3
         with:
@@ -95,7 +95,7 @@ jobs:
         run: |
           RUSTC=$(rustc --version | sed -e 's/\s\+/-/g')
           SEMVER_CHECKS=$(cargo semver-checks --version | sed -e 's/\s\+/-/g')
-          echo "KEY=testprefix-test-cache-exists-default-d45618ed191f0a73-linux-$RUSTC-$SEMVER_CHECKS-da39a3ee5e6b4b0d3255bfef95601890afd80709-semver-checks-rustdoc" >> $GITHUB_OUTPUT
+          echo "KEY=testprefix-test-cache-exists-default-d45618ed191f0a73-linux-$RUSTC-$SEMVER_CHECKS-d41d8cd98f00b204e9800998ecf8427e-semver-checks-rustdoc" >> $GITHUB_OUTPUT
       - name: Download saved cache
         uses: actions/cache/restore@v3
         with:

__tests__/utils.test.ts

@@ -0,0 +1,25 @@
+import * as fs from "fs";
+import { join } from "path";
+import * as crypto from "crypto";
+
+import { hashFiles } from "../src/utils";
+import { hashElement } from "folder-hash";
+
+test("test hashFiles on ** pattern", async () => {
+    const tmpDir = await fs.promises.mkdtemp("cargo-semver-checks-action-test");
+    await fs.promises.writeFile(join(tmpDir, "Cargo.lock"), "test1");
+    await fs.promises.mkdir(join(tmpDir, "inner"));
+    await fs.promises.writeFile(join(tmpDir, "inner", "Cargo.lock"), "test2");
+
+    const hashAll = await hashFiles([join(tmpDir, "**", "Cargo.lock")]);
+
+    const hashNodeOuter = await hashElement(join(tmpDir, "Cargo.lock"));
+    const hashNodeInner = await hashElement(join(tmpDir, "inner", "Cargo.lock"));
+
+    await fs.promises.rm(tmpDir, { recursive: true });
+
+    const hasher = crypto.createHash("md5");
+    hasher.update(hashNodeOuter.hash);
+    hasher.update(hashNodeInner.hash);
+    expect(hashAll).toBe(hasher.digest("hex"));
+});

jest.config.js

@@ -0,0 +1,9 @@
+module.exports = {
+    clearMocks: true,
+    moduleFileExtensions: ['js', 'ts'],
+    testMatch: ['**/*.test.ts'],
+    transform: {
+        '^.+\\.ts$': 'ts-jest'
+    },
+    verbose: true
+}