engine: Make paths relative to the CUE file they're defined in

Fixes #1309

Signed-off-by: Andrea Luzzardi <aluzzardi@gmail.com>

tests/plan.bats

@@ -44,11 +44,18 @@ setup() {
   "$DAGGER" --europa up ./plan/inputs/directories/exists.cue
 }
 
+@test "plan/inputs/directories relative directories" {
+  cd "$TESTDIR"
+  cd "$TESTDIR"/plan/inputs
+
+  "$DAGGER" --europa up ./directories/exists.cue
+}
+
 @test "plan/inputs/directories not exists" {
   cd "$TESTDIR"
   run "$DAGGER" --europa up ./plan/inputs/directories/not_exists.cue
 	assert_failure
-	assert_output --partial 'tests/fasdfsdfs" does not exist'
+	assert_output --partial 'fasdfsdfs" does not exist'
 }
 
 @test "plan/inputs/directories conflicting values" {
@@ -63,6 +70,11 @@ setup() {
   "$DAGGER" --europa up ./plan/inputs/secrets/exec.cue
 }
 
+@test "plan/inputs/secrets exec relative" {
+  cd "$TESTDIR"
+  "$DAGGER" --europa up ./plan/inputs/secrets/exec.cue
+}
+
 @test "plan/inputs/secrets invalid command" {
   cd "$TESTDIR"
   run "$DAGGER" --europa up ./plan/inputs/secrets/invalid_command.cue
@@ -78,6 +90,14 @@ setup() {
     assert [ -f "./out/test" ]
 }
 
+@test "plan/outputs relative paths" {
+    cd "$TESTDIR"/plan
+
+    rm -f "./outputs/out/test"
+    "$DAGGER" --europa up ./outputs/outputs.cue
+    assert [ -f "./outputs/out/test" ]
+}
+
 @test "plan/platform" {
    cd "$TESTDIR"
 

tests/plan/inputs/directories/conflicting_values.cue

@@ -5,7 +5,7 @@ import (
 )
 
 engine.#Plan & {
-	inputs: directories: test: path: "./plan/inputs/directories"
+	inputs: directories: test: path: "."
 	actions: verify: engine.#ReadFile & {
 		input: inputs.directories.test.contents
 		path:  "test.txt"

tests/plan/inputs/directories/exists.cue

@@ -5,7 +5,7 @@ import (
 )
 
 engine.#Plan & {
-	inputs: directories: test: path: "./plan/inputs/directories"
+	inputs: directories: test: path: "."
 	actions: verify: engine.#ReadFile & {
 		input: inputs.directories.test.contents
 		path:  "test.txt"

tests/plan/inputs/secrets/exec_relative.cue

@@ -0,0 +1,33 @@
+package main
+
+import (
+	"alpha.dagger.io/europa/dagger/engine"
+)
+
+engine.#Plan & {
+	inputs: secrets: echo: command: {
+		name: "cat"
+		args: ["./test.txt"]
+	}
+
+	actions: {
+
+		image: engine.#Pull & {
+			source: "alpine:3.15.0@sha256:e7d88de73db3d3fd9b2d63aa7f447a10fd0220b7cbf39803c803f2af9ba256b3"
+		}
+
+		verify: engine.#Exec & {
+			input: image.output
+			mounts: secret: {
+				dest:     "/run/secrets/test"
+				contents: inputs.secrets.echo.contents
+			}
+			args: [
+				"sh", "-c",
+				#"""
+					test "$(cat /run/secrets/test)" = "test"
+					"""#,
+			]
+		}
+	}
+}

tests/plan/inputs/secrets/test.txt

@@ -0,0 +1 @@
+test

tests/tasks/gitpull/private_repo.cue

@@ -5,7 +5,7 @@ import "alpha.dagger.io/europa/dagger/engine"
 engine.#Plan & {
 	inputs: secrets: token: command: {
 		name: "sops"
-		args: ["exec-env", "./secrets_sops.yaml", "echo $TestPAT"]
+		args: ["exec-env", "../../secrets_sops.yaml", "echo $TestPAT"]
 	}
 
 	actions: {