From cfa9f08bc92cdd832d75e1b8fb4be302d107fac6 Mon Sep 17 00:00:00 2001
From: Sam Alba <sam.alba@gmail.com>
Date: Thu, 15 Apr 2021 12:10:14 -0700
Subject: [PATCH] tests: added test to ensure an op.#Exec with no cache will
 not execute twice

Signed-off-by: Sam Alba <sam.alba@gmail.com>
---
 tests/compute/success/exec-nocache/main.cue | 25 +++++++++++++++++++++
 tests/test-compute.sh                       |  2 ++
 2 files changed, 27 insertions(+)
 create mode 100644 tests/compute/success/exec-nocache/main.cue

diff --git a/tests/compute/success/exec-nocache/main.cue b/tests/compute/success/exec-nocache/main.cue
new file mode 100644
index 00000000..0a4152e8
--- /dev/null
+++ b/tests/compute/success/exec-nocache/main.cue
@@ -0,0 +1,25 @@
+package main
+
+import (
+    "dagger.io/alpine"
+    "dagger.io/dagger/op"
+)
+
+rand: {
+    string
+
+    #up: [
+        op.#Load & {from: alpine.#Image},
+        op.#Exec & {
+                always: true
+				args: ["sh", "-c", """
+					tr -dc A-Za-z0-9 </dev/urandom | head -c 13 > /id
+					"""]
+        },
+        op.#Export & {source: "/id"},
+    ]
+}
+
+// If rand is executed twice, cue won't validate
+ref1: rand
+ref2: ref1
diff --git a/tests/test-compute.sh b/tests/test-compute.sh
index 324d9a64..7d5c22e2 100644
--- a/tests/test-compute.sh
+++ b/tests/test-compute.sh
@@ -35,6 +35,8 @@ test::compute::simple(){
       "$dagger" "${DAGGER_BINARY_ARGS[@]}" compute "$d"/compute/success/overload/flat
   test::one "Compute: overloading #Component should work" --exit=0  \
       "$dagger" "${DAGGER_BINARY_ARGS[@]}" compute "$d"/compute/success/overload/wrapped
+  test::one "Compute: Disabling the cache on exec should not compute twice when referenced by another key" --exit=0  \
+      "$dagger" "${DAGGER_BINARY_ARGS[@]}" compute "$d"/compute/success/exec-nocache
 }
 
 test::compute::dependencies(){