From 85cb5f1f00ffc9dfc6c4d53893c5ea45b3c34469 Mon Sep 17 00:00:00 2001
From: Alex Campbell <alex.campbell@nasa.gov>
Date: Tue, 9 Mar 2021 13:17:47 -0500
Subject: [PATCH] Fix #416, add shell functional test

---
 src/tests/shell-test/shell-test.c | 107 ++++++++++++++++++++++++++++++
 1 file changed, 107 insertions(+)
 create mode 100644 src/tests/shell-test/shell-test.c

diff --git a/src/tests/shell-test/shell-test.c b/src/tests/shell-test/shell-test.c
new file mode 100644
index 000000000..41bc7718c
--- /dev/null
+++ b/src/tests/shell-test/shell-test.c
@@ -0,0 +1,107 @@
+/*
+ *  NASA Docket No. GSC-18,370-1, and identified as "Operating System Abstraction Layer"
+ *
+ *  Copyright (c) 2019 United States Government as represented by
+ *  the Administrator of the National Aeronautics and Space Administration.
+ *  All Rights Reserved.
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+
+#include "common_types.h"
+#include "osapi.h"
+#include "utassert.h"
+#include "uttest.h"
+#include "utbsp.h"
+
+#define OS_TEST_SHELL_FILENAME "/drive0/shell_test.txt"
+
+/* *************************************** MAIN ************************************** */
+
+void TestOutputToFile(void)
+{
+    const char *cmd = NULL;
+    char        filename[OS_MAX_PATH_LEN];
+    char        buffer[30];
+    char        copyofbuffer[30];
+    size_t      size;
+    int32       status;
+    osal_id_t   fd;
+
+    OS_mkfs(NULL, "/ramdev0", "RAM", 512, 20);
+    OS_mount("/ramdev0", "/drive0");
+
+    strncpy(filename, "/drive0/Filename1", sizeof(filename) - 1);
+    filename[sizeof(filename) - 1] = 0;
+
+    strcpy(buffer, "ValueToEchoInTheFile");
+    strcpy(copyofbuffer, buffer); /* hold a copy of the buffer */
+
+    /* Open In R/W mode */
+    status = OS_OpenCreate(&fd, OS_TEST_SHELL_FILENAME, OS_FILE_FLAG_CREATE, OS_READ_WRITE);
+    UtAssert_True(status >= OS_SUCCESS, "status after creat = %d", (int)status);
+
+    /* Write the string */
+    size = strlen(buffer);
+
+    cmd    = "echo -n \"ValueToEchoInTheFile\"";
+    status = OS_ShellOutputToFile(cmd, fd);
+    if (status == OS_ERR_NOT_IMPLEMENTED)
+    {
+        UtAssert_Type(NA, false, "Shell Commands not implemented");
+    }
+    else
+    {
+        UtAssert_True(status >= OS_SUCCESS, "status after shell output to file = %d", (int)status);
+
+        strcpy(buffer, "");
+
+        /* lseek back to the beginning of the file */
+        status = OS_lseek(fd, 0, 0);
+        UtAssert_True(status >= OS_SUCCESS, "status after lseek = %d", (int)status);
+
+        /*Read what we wrote to the file */
+        status = OS_read(fd, (void *)buffer, size);
+        UtAssert_True(status == size, "status after read = %d size = %lu", (int)status, (unsigned long)size);
+        if (status >= OS_SUCCESS)
+        {
+            UtAssert_True(strcmp(buffer, copyofbuffer) == 0, "Read: %s, Written: %s", buffer, copyofbuffer);
+        }
+    }
+
+    /* close the file */
+    status = OS_close(fd);
+    UtAssert_True(status == OS_SUCCESS, "status after close = %d", (int)status);
+
+    /* try removing the file from the drive */
+    status = OS_remove(OS_TEST_SHELL_FILENAME);
+    UtAssert_True(status == OS_SUCCESS, "status after remove = %d", (int)status);
+
+} /* end TestOutputToFile */
+
+void UtTest_Setup(void)
+{
+    if (OS_API_Init() != OS_SUCCESS)
+    {
+        UtAssert_Abort("OS_API_Init() failed");
+    }
+
+    /*
+     * Register the test setup and check routines in UT assert
+     */
+    UtTest_Add(TestOutputToFile, NULL, NULL, "ShellTest");
+}