test: add qjs unittest and test workflow

.bazelrc

@@ -0,0 +1,2 @@
+test --test_output=errors
+common --enable_bzlmod

.gitattributes

@@ -1,5 +1,6 @@
-*.sh        export-ignore
-.bazel*     export-ignore
-.git*       export-ignore
-e2e         export-ignore
-examples    export-ignore
+*.sh                  export-ignore
+.bazel*               export-ignore
+.git*                 export-ignore
+e2e                   export-ignore
+examples              export-ignore
+quickjs/*_test.bzl    export-ignore

.github/workflows/ci.bazelrc

@@ -0,0 +1,4 @@
+# Used in github workflow `test.yaml`
+build --disk_cache=~/.cache/bazel
+build --repository_cache=~/.cache/bazel-repo
+test --test_env=XDG_CACHE_HOME

.github/workflows/test.yaml

@@ -0,0 +1,66 @@
+name: Test
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+  workflow_dispatch:
+
+env:
+  XDG_CACHE_HOME: ~/.cache/bazel-repo
+
+jobs:
+  pre-test:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Mount bazel caches
+        uses: actions/cache@v3
+        with:
+          path: |
+            ~/.cache/bazel
+            ~/.cache/bazel-repo
+          key: bazel-cache-${{ hashFiles('**/BUILD.bazel', '**/*.bzl', 'WORKSPACE') }}
+          restore-keys: bazel-cache-
+      - name: bazel test //:setup
+        run: >
+          bazel
+          --bazelrc=${{ github.workspace }}/.bazelrc
+          --bazelrc=${{ github.workspace }}/.github/workflows/ci.bazelrc
+          test //:setup
+  test:
+    needs: ["pre-test"]
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        bazelversion:
+          - 6.4.0
+          - 7.0.0
+        folder:
+          - "."
+          - "e2e"
+    steps:
+      - uses: actions/checkout@v4
+      - name: Mount bazel caches
+        uses: actions/cache@v3
+        with:
+          path: |
+            ~/.cache/bazel
+            ~/.cache/bazel-repo
+          key: bazel-cache-${{ hashFiles('**/BUILD.bazel', '**/*.bzl', 'WORKSPACE') }}
+          restore-keys: bazel-cache-
+      - name: bazel version
+        working-directory: ${{ matrix.folder }}
+        env:
+          USE_BAZEL_VERSION: ${{ matrix.bazelversion }}
+        run: bazel version
+      - name: bazel test //...
+        working-directory: ${{ matrix.folder }}
+        env:
+          USE_BAZEL_VERSION: ${{ matrix.bazelversion }}
+        run: >
+          bazel
+          --bazelrc=${{ github.workspace }}/.bazelrc
+          --bazelrc=${{ github.workspace }}/.github/workflows/ci.bazelrc
+          test //...

BUILD.bazel

@@ -18,3 +18,12 @@ buildifier_test(
     tags = ["manual"],
     workspace = "//:WORKSPACE",
 )
+
+test_suite(
+    name = "setup",
+    tags = ["manual"],
+    tests = [
+        ":lint",
+        "//docs:update_test",
+    ],
+)

docs/BUILD.bazel

@@ -5,4 +5,6 @@ stardoc_with_diff_test(
     bzl_library_target = "//quickjs:qjs",
 )
 
-update_docs()
+update_docs(
+    tags = ["manual"],
+)

quickjs/BUILD.bazel

@@ -1,4 +1,5 @@
 load("@bazel_skylib//:bzl_library.bzl", "bzl_library")
+load(":qjs_test.bzl", "qjs_test_suite")
 
 exports_files(
     [
@@ -31,3 +32,5 @@ bzl_library(
     srcs = ["version.bzl"],
     visibility = ["//quickjs:__subpackages__"],
 )
+
+qjs_test_suite()

quickjs/qjs_test.bzl

@@ -0,0 +1,32 @@
+"qjs test suite"
+
+load("@bazel_skylib//lib:unittest.bzl", "analysistest", "asserts")
+load("@bazel_skylib//rules:write_file.bzl", "write_file")
+load(":qjs.bzl", "qjs_binary")
+
+def _create_launcher_test_impl(ctx):
+    env = analysistest.begin(ctx)
+    launcher_file = analysistest.target_actions(env)[0].outputs.to_list()[0].basename
+    asserts.equals(env, launcher_file, "qjs_test_launcher.sh")
+    return analysistest.end(env)
+
+create_launcher_test = analysistest.make(_create_launcher_test_impl)
+
+def qjs_test_suite(name = "qjs_test"):
+    create_launcher_test(
+        name = "create_launcher_test",
+        target_under_test = ":qjs_test",
+    )
+
+    write_file(
+        name = "index_js",
+        out = "index.js",
+        content = [
+            "print('Hello, World!');",
+        ],
+    )
+
+    qjs_binary(
+        name = name,
+        entry_point = ":index.js",
+    )