Add touch and cat

Author: mcruzdev

impl/test/src/test/java/io/serverlessworkflow/impl/test/shell/RunTaskExecutorTest.java

@@ -81,6 +81,24 @@ void testEchoWithEnvironment() throws IOException {
     }
   }
 
+    @Test
+    void testTouchAndCat() throws IOException {
+        Workflow workflow =
+                WorkflowReader.readWorkflowFromClasspath(
+                        "workflows-samples/shell-process/touch-cat.yaml");
+        try (WorkflowApplication appl = WorkflowApplication.builder().build()) {
+            WorkflowModel model =
+                    appl.workflowDefinition(workflow).instance(Map.of("lastName", "Doe")).start().join();
+            SoftAssertions.assertSoftly(
+                    softly -> {
+                        ProcessResult result = model.as(ProcessResult.class).orElseThrow();
+                        softly.assertThat(result.code()).isEqualTo(0);
+                        softly.assertThat(result.stderr()).isEmpty();
+                        softly.assertThat(result.stdout()).contains("hello world");
+                    });
+        }
+    }
+
   record Input(User user) {}
 
   record User(String name) {}

impl/test/src/test/resources/workflows-samples/shell-process/touch-cat.yaml

@@ -0,0 +1,15 @@
+document:
+  dsl: '1.0.1'
+  namespace: test
+  name: run-shell-example
+  version: '0.1.0'
+do:
+  - runShell:
+      run:
+        shell:
+#          write hello world to a file and then cat it
+          command: echo "hello world" > /tmp/hello.txt && cat /tmp/hello.txt
+          environment:
+            FIRST_NAME: John
+            LAST_NAME: ${.lastName}
+