added heredoc test

Signed-off-by: Richard Jones <richard@dagger.io>

tests/tasks.bats

@@ -80,6 +80,7 @@ setup() {
 
     "$DAGGER" --europa up ./dockerfile.cue
     "$DAGGER" --europa up ./inlined_dockerfile.cue
+    "$DAGGER" --europa up ./inlined_dockerfile_heredoc.cue
     "$DAGGER" --europa up ./dockerfile_path.cue
     "$DAGGER" --europa up ./build_args.cue
     "$DAGGER" --europa up ./image_config.cue

tests/tasks/dockerfile/dockerfile.cue

@@ -10,7 +10,6 @@ engine.#Plan & {
 	actions: {
 		build: engine.#Dockerfile & {
 			source: inputs.directories.testdata.contents
-			// path:   "Dockerfile"
 		}
 
 		verify: engine.#Exec & {

tests/tasks/dockerfile/inlined_dockerfile_heredoc.cue

@@ -0,0 +1,95 @@
+package testing
+
+import (
+	"dagger.io/dagger/engine"
+)
+
+engine.#Plan & {
+	inputs: directories: testdata: path: "./testdata"
+
+	actions: {
+		build: engine.#Dockerfile & {
+			source: inputs.directories.testdata.contents
+			dockerfile: contents: """
+				# syntax = docker/dockerfile:1.3
+				FROM alpine:latest@sha256:ab00606a42621fb68f2ed6ad3c88be54397f981a7b70a79db3d1172b11c4367d
+				RUN echo foobar > /output
+				"""
+		}
+
+		verify: engine.#Exec & {
+			input: build.output
+			args: ["sh", "-c", "test $(cat /output) = foobar"]
+		}
+	}
+}
+
+// TestDockerfilePath: #up: [
+//  op.#DockerBuild & {
+//   context:        TestData
+//   dockerfilePath: "./dockerfilepath/Dockerfile.custom"
+//  },
+//  op.#Exec & {
+//   args: ["sh", "-c", "test $(cat /test) = dockerfilePath"]
+//  },
+// ]
+
+// TestBuildArgs: #up: [
+//  op.#DockerBuild & {
+//   dockerfile: """
+//    FROM alpine:latest@sha256:ab00606a42621fb68f2ed6ad3c88be54397f981a7b70a79db3d1172b11c4367d
+//    ARG TEST=foo
+//    RUN test "${TEST}" = "bar"
+//    """
+//   buildArg: TEST: "bar"
+//  },
+// ]
+
+// // FIXME: this doesn't test anything beside not crashing
+// TestBuildLabels: #up: [
+//  op.#DockerBuild & {
+//   dockerfile: """
+//    FROM alpine:latest@sha256:ab00606a42621fb68f2ed6ad3c88be54397f981a7b70a79db3d1172b11c4367d
+//    """
+//   label: FOO: "bar"
+//  },
+// ]
+
+// // FIXME: this doesn't test anything beside not crashing
+// TestBuildPlatform: #up: [
+//  op.#DockerBuild & {
+//   dockerfile: """
+//    FROM alpine:latest@sha256:ab00606a42621fb68f2ed6ad3c88be54397f981a7b70a79db3d1172b11c4367d
+//    """
+//   platforms: ["linux/amd64"]
+//  },
+// ]
+
+// TestImageMetadata: #up: [
+//  op.#DockerBuild & {
+//   dockerfile: """
+//    FROM alpine:latest@sha256:ab00606a42621fb68f2ed6ad3c88be54397f981a7b70a79db3d1172b11c4367d
+//    ENV CHECK foobar
+//    ENV DOUBLECHECK test
+//    """
+//  },
+//  op.#Exec & {
+//   args: ["sh", "-c", #"""
+//    env
+//    test "$CHECK" = "foobar"
+//    """#]
+//  },
+// ]
+
+// // Make sure the metadata is carried over with a `Load`
+// TestImageMetadataIndirect: #up: [
+//  op.#Load & {
+//   from: TestImageMetadata
+//  },
+//  op.#Exec & {
+//   args: ["sh", "-c", #"""
+//    env
+//    test "$DOUBLECHECK" = "test"
+//    """#]
+//  },
+// ]