docker: cleanup tests

Signed-off-by: Solomon Hykes <solomon@dagger.io>

pkg/universe.dagger.io/docker/test/build.cue

@@ -0,0 +1,120 @@
+package docker
+
+import (
+	"dagger.io/dagger"
+	"dagger.io/dagger/engine"
+
+	"universe.dagger.io/alpine"
+	"universe.dagger.io/docker"
+)
+
+dagger.#Plan & {
+	actions: tests: build: {
+		// Test: simple docker.#Build
+		simple: {
+			#testValue: "hello world"
+
+			image: docker.#Build & {
+				steps: [
+					alpine.#Build,
+					docker.#Run & {
+						command: {
+							name: "sh"
+							flags: "-c": "echo -n $TEST >> /test.txt"
+						}
+						env: TEST: #testValue
+					},
+				]
+			}
+
+			verify: engine.#ReadFile & {
+				input: image.output.rootfs
+				path:  "/test.txt"
+			}
+			verify: contents: #testValue
+		}
+
+		// Test: docker.#Build with multiple steps
+		multiSteps: {
+			image: docker.#Build & {
+				steps: [
+					alpine.#Build,
+					docker.#Run & {
+						command: {
+							name: "sh"
+							flags: "-c": "echo -n hello > /bar.txt"
+						}
+					},
+					docker.#Run & {
+						command: {
+							name: "sh"
+							flags: "-c": "echo -n $(cat /bar.txt) world > /foo.txt"
+						}
+					},
+					docker.#Run & {
+						command: {
+							name: "sh"
+							flags: "-c": "echo -n $(cat /foo.txt) >> /test.txt"
+						}
+					},
+				]
+			}
+
+			verify: engine.#ReadFile & {
+				input: image.output.rootfs
+				path:  "/test.txt"
+			}
+			verify: contents: "hello world"
+		}
+
+		// Test: simple nesting of docker.#Build
+		nested: {
+			build: docker.#Build & {
+				steps: [
+					docker.#Build & {
+						steps: [
+							docker.#Pull & {
+								source: "alpine"
+							},
+							docker.#Run & {
+								command: name: "ls"
+							},
+						]
+					},
+					docker.#Run & {
+						command: name: "ls"
+					},
+				]
+			}
+		}
+
+		// Test: nested docker.#Build with 3+ levels of depth
+		// FIXME: this test currently fails.
+		nestedDeep: {
+			//   build: docker.#Build & {
+			//    steps: [
+			//     docker.#Build & {
+			//      steps: [
+			//       docker.#Build & {
+			//        steps: [
+			//         docker.#Pull & {
+			//          source: "alpine"
+			//         },
+			//         docker.#Run & {
+			//          command: name: "ls"
+			//         },
+			//        ]
+			//       },
+			//       docker.#Run & {
+			//        command: name: "ls"
+			//       },
+			//      ]
+			//     },
+			//     docker.#Run & {
+			//      command: name: "ls"
+			//     },
+			//    ]
+			//   }
+		}
+	}
+}