Refactor op/script/component loading and spec validation

Signed-off-by: Solomon Hykes <sh.github.6811@hykes.org>

examples/tests/compute/noop/main.cue

@@ -9,11 +9,3 @@ realempty: {
 empty: {
 	#dagger: compute: []
 }
-
-// additional prop, should not error
-withprops: {
-	#dagger: {
-		compute: []
-		foo: bar: "foo"
-	}
-}

examples/tests/compute/undefined_prop/main.cue

@@ -4,17 +4,14 @@ hello: "world"
 
 bar: string
 
-#dagger: {
-	compute: [
-		{
-			do:  "fetch-container"
-			ref: "alpine"
-		},
-		{
-			do:  "exec"
-			dir: "/"
-			args: ["sh", "-c", "echo \(foo.bar)"]
-		},
-	]
-	foo: bar: bar
-}
+#dagger: compute: [
+	{
+		do:  "fetch-container"
+		ref: "alpine"
+	},
+	{
+		do:  "exec"
+		dir: "/"
+		args: ["sh", "-c", "echo \(bar)"]
+	},
+]

examples/tests/test.sh

@@ -25,11 +25,11 @@ test::compute(){
       "$dagger" "${DAGGER_BINARY_ARGS[@]}" compute "$d"/compute/invalid/int
   test::one "Compute: invalid struct should fail" --exit=1 --stdout= \
       "$dagger" "${DAGGER_BINARY_ARGS[@]}" compute "$d"/compute/invalid/struct
-  test::one "Compute: noop should succeed" --exit=0 --stdout='{"empty":{},"realempty":{},"withprops":{}}'  \
+  test::one "Compute: noop should succeed" --exit=0 --stdout='{"empty":{},"realempty":{}}'  \
       "$dagger" "${DAGGER_BINARY_ARGS[@]}" compute "$d"/compute/noop
   test::one "Compute: simple should succeed" --exit=0 --stdout="{}" \
       "$dagger" "${DAGGER_BINARY_ARGS[@]}" compute "$d"/compute/simple
-  test::one "Compute: unresolved should be ignored" --exit=0 --stdout='{"hello":"world"}'  \
+  test::one "Compute: script with undefined values should not fail" --exit=0 --stdout='{"hello":"world"}'  \
       "$dagger" "${DAGGER_BINARY_ARGS[@]}" compute "$d"/compute/undefined_prop
 }