From 048e6ac1f76a8128ba880e41b471a18fb31ed63c Mon Sep 17 00:00:00 2001
From: CrazyMax <crazy-max@users.noreply.github.com>
Date: Mon, 26 Sep 2022 13:31:44 +0200
Subject: [PATCH] bake(e2e): simple test for sync-output flag

Signed-off-by: CrazyMax <crazy-max@users.noreply.github.com>
---
 .github/workflows/e2e.yml             | 33 +++++++++++++++++++++++++++
 test/bake-sync-output/.gitignore      |  1 +
 test/bake-sync-output/bar.Dockerfile  |  5 ++++
 test/bake-sync-output/docker-bake.hcl | 13 +++++++++++
 test/bake-sync-output/foo.Dockerfile  |  5 ++++
 test/bake-sync-output/test.sh         | 13 +++++++++++
 6 files changed, 70 insertions(+)
 create mode 100644 test/bake-sync-output/.gitignore
 create mode 100644 test/bake-sync-output/bar.Dockerfile
 create mode 100644 test/bake-sync-output/docker-bake.hcl
 create mode 100644 test/bake-sync-output/foo.Dockerfile
 create mode 100755 test/bake-sync-output/test.sh

diff --git a/.github/workflows/e2e.yml b/.github/workflows/e2e.yml
index a9fee690..b0f6f108 100644
--- a/.github/workflows/e2e.yml
+++ b/.github/workflows/e2e.yml
@@ -168,3 +168,36 @@ jobs:
           DRIVER_OPT: ${{ matrix.driver-opt }}
           ENDPOINT: ${{ matrix.endpoint }}
           PLATFORMS: ${{ matrix.platforms }}
+
+  cases:
+    runs-on: ubuntu-20.04
+    needs:
+      - build
+    strategy:
+      fail-fast: false
+      matrix:
+        case:
+          - bake-sync-output
+    steps:
+      -
+        name: Checkout
+        uses: actions/checkout@v3
+      -
+        name: Install buildx
+        uses: actions/download-artifact@v3
+        with:
+          name: binary
+          path: /home/runner/.docker/cli-plugins
+      -
+        name: Fix perms and check
+        run: |
+          chmod +x /home/runner/.docker/cli-plugins/docker-buildx
+          docker buildx version
+      -
+        name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v2
+      -
+        name: Test
+        working-directory: ./test/${{ matrix.case }}
+        run: |
+          ./test.sh
diff --git a/test/bake-sync-output/.gitignore b/test/bake-sync-output/.gitignore
new file mode 100644
index 00000000..e2e7327c
--- /dev/null
+++ b/test/bake-sync-output/.gitignore
@@ -0,0 +1 @@
+/out
diff --git a/test/bake-sync-output/bar.Dockerfile b/test/bake-sync-output/bar.Dockerfile
new file mode 100644
index 00000000..ac342679
--- /dev/null
+++ b/test/bake-sync-output/bar.Dockerfile
@@ -0,0 +1,5 @@
+FROM busybox
+RUN echo bar > /bar
+
+FROM scratch
+COPY --from=0 /bar /bar
diff --git a/test/bake-sync-output/docker-bake.hcl b/test/bake-sync-output/docker-bake.hcl
new file mode 100644
index 00000000..acdabeea
--- /dev/null
+++ b/test/bake-sync-output/docker-bake.hcl
@@ -0,0 +1,13 @@
+group "default" {
+  targets = ["foo", "bar"]
+}
+
+target "foo" {
+  dockerfile = "foo.Dockerfile"
+  output = ["out"]
+}
+
+target "bar" {
+  dockerfile = "bar.Dockerfile"
+  output = ["out"]
+}
diff --git a/test/bake-sync-output/foo.Dockerfile b/test/bake-sync-output/foo.Dockerfile
new file mode 100644
index 00000000..b0143c36
--- /dev/null
+++ b/test/bake-sync-output/foo.Dockerfile
@@ -0,0 +1,5 @@
+FROM busybox
+RUN echo foo > /foo
+
+FROM scratch
+COPY --from=0 /foo /foo
diff --git a/test/bake-sync-output/test.sh b/test/bake-sync-output/test.sh
new file mode 100755
index 00000000..81016518
--- /dev/null
+++ b/test/bake-sync-output/test.sh
@@ -0,0 +1,13 @@
+#!/usr/bin/env bash
+
+set -ex
+
+rm -rf ./out
+
+docker buildx bake --print
+docker buildx bake --sync-output
+
+if [[ ! -f ./out/foo || ! -f ./out/bar ]]; then
+  echo >&2 "error: missing output files"
+  exit 1
+fi