engine.#Copy

Signed-off-by: Joel Longtine <joel@dagger.io>

tests/tasks.bats

@@ -46,3 +46,12 @@ setup() {
     "$DAGGER" --europa up ./user.cue
     "$DAGGER" --europa up ./workdir.cue
 }
+
+@test "task: #Copy" {
+    cd "$TESTDIR"/tasks/copy
+    "$DAGGER" --europa up ./copy_exec.cue
+    "$DAGGER" --europa up ./copy_file.cue
+    
+    run "$DAGGER" --europa up ./copy_exec_invalid.cue
+    assert_failure
+}

tests/tasks/copy/copy_exec.cue

@@ -0,0 +1,47 @@
+package main
+
+import (
+	"alpha.dagger.io/europa/dagger/engine"
+)
+
+engine.#Plan & {
+	actions: {
+		image: engine.#Pull & {
+			source: "alpine:3.15.0@sha256:e7d88de73db3d3fd9b2d63aa7f447a10fd0220b7cbf39803c803f2af9ba256b3"
+		}
+
+		exec: engine.#Exec & {
+			input: image.output
+			args: [
+				"sh", "-c",
+				#"""
+					echo -n hello world > /output.txt
+					"""#,
+			]
+		}
+
+		verify_file: engine.#ReadFile & {
+			input: exec.output
+			path:  "/output.txt"
+		} & {
+			// assert result
+			contents: "hello world"
+		}
+
+		copy: engine.#Copy & {
+			input: image.output
+			source: {
+				root: exec.output
+				path: "/output.txt"
+			}
+			dest: "/output.txt"
+		}
+		verify_copy: engine.#ReadFile & {
+			input: copy.output
+			path:  "/output.txt"
+		} & {
+			// assert result
+			contents: "hello world"
+		}
+	}
+}

tests/tasks/copy/copy_exec_invalid.cue

@@ -0,0 +1,47 @@
+package main
+
+import (
+	"alpha.dagger.io/europa/dagger/engine"
+)
+
+engine.#Plan & {
+	actions: {
+		image: engine.#Pull & {
+			source: "alpine:3.15.0@sha256:e7d88de73db3d3fd9b2d63aa7f447a10fd0220b7cbf39803c803f2af9ba256b3"
+		}
+
+		exec: engine.#Exec & {
+			input: image.output
+			args: [
+				"sh", "-c",
+				#"""
+					echo -n hello world from dagger > /output.txt
+					"""#,
+			]
+		}
+
+		verify_file: engine.#ReadFile & {
+			input: exec.output
+			path:  "/output.txt"
+		} & {
+			// assert result
+			contents: "hello world from dagger"
+		}
+
+		copy: engine.#Copy & {
+			input: image.output
+			source: {
+				root: exec.output
+				path: "/output.txt"
+			}
+			dest: "/output.txt"
+		}
+		verify_copy: engine.#ReadFile & {
+			input: copy.output
+			path:  "/output.txt"
+		} & {
+			// assert result
+			contents: "hello world"
+		}
+	}
+}

tests/tasks/copy/copy_file.cue

@@ -0,0 +1,42 @@
+package main
+
+import (
+	"alpha.dagger.io/europa/dagger/engine"
+)
+
+engine.#Plan & {
+	actions: {
+		alpine3_15_0: engine.#Pull & {
+			source: "alpine:3.15.0@sha256:e7d88de73db3d3fd9b2d63aa7f447a10fd0220b7cbf39803c803f2af9ba256b3"
+		}
+
+		busybox1_34_1: engine.#Pull & {
+			source: "busybox:1.34.1-glibc@sha256:ec98391b8f0911db08be2ee6c46813eeac17b9625b402ea1ce45dcfcd05d78d6"
+		}
+
+		verify_alpine_3_15_0: engine.#ReadFile & {
+			input: alpine3_15_0.output
+			path:  "/etc/alpine-release"
+		} & {
+			// assert result
+			contents: "3.15.0\n"
+		}
+
+		copy: engine.#Copy & {
+			input: busybox1_34_1.output
+			source: {
+				root: alpine3_15_0.output
+				path: "/etc/alpine-release"
+			}
+			dest: "/alpine3_15_0_release"
+		}
+
+		verify_copy: engine.#ReadFile & {
+			input: copy.output
+			path:  "/alpine3_15_0_release"
+		} & {
+			// assert result
+			contents: "3.15.0\n"
+		}
+	}
+}

tests/tasks/copy/cue.mod/module.cue

@@ -0,0 +1 @@
+module: ""

tests/tasks/copy/cue.mod/pkg/.gitignore

@@ -0,0 +1,3 @@
+# generated by dagger
+alpha.dagger.io
+dagger.lock