From 7cded6b33b0571a4c67ed5014f37fc057c365984 Mon Sep 17 00:00:00 2001
From: CrazyMax <1951866+crazy-max@users.noreply.github.com>
Date: Tue, 2 Apr 2024 14:40:49 +0200
Subject: [PATCH] tests: build from stdin

Signed-off-by: CrazyMax <1951866+crazy-max@users.noreply.github.com>
---
 tests/build.go | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/tests/build.go b/tests/build.go
index 7d20bacd..42975686 100644
--- a/tests/build.go
+++ b/tests/build.go
@@ -36,6 +36,7 @@ func buildCmd(sb integration.Sandbox, opts ...cmdOpt) (string, error) {
 
 var buildTests = []func(t *testing.T, sb integration.Sandbox){
 	testBuild,
+	testBuildStdin,
 	testImageIDOutput,
 	testBuildLocalExport,
 	testBuildRegistryExport,
@@ -65,6 +66,26 @@ func testBuild(t *testing.T, sb integration.Sandbox) {
 	require.NoError(t, err, string(out))
 }
 
+func testBuildStdin(t *testing.T, sb integration.Sandbox) {
+	dockerfile := []byte(`
+FROM busybox:latest AS base
+COPY foo /etc/foo
+RUN cp /etc/foo /etc/bar
+
+FROM scratch
+COPY --from=base /etc/bar /bar
+`)
+	dir := tmpdir(
+		t,
+		fstest.CreateFile("foo", []byte("foo"), 0600),
+	)
+
+	cmd := buildxCmd(sb, withDir(dir), withArgs("build", "--progress=quiet", "-f-", dir))
+	cmd.Stdin = bytes.NewReader(dockerfile)
+	out, err := cmd.CombinedOutput()
+	require.NoError(t, err, string(out))
+}
+
 func testBuildLocalExport(t *testing.T, sb integration.Sandbox) {
 	dir := createTestProject(t)
 	out, err := buildCmd(sb, withArgs(fmt.Sprintf("--output=type=local,dest=%s/result", dir), dir))