VFS: Implement utime()

2018-10-25 11:53:52 +02:00
parent ada3bc3fb5
commit fb334baa7c
13 changed files with 342 additions and 2 deletions
@@ -649,4 +649,69 @@ TEST_CASE("mtime is updated when file is opened", "[spiffs]")

    test_teardown();
 }
+
+TEST_CASE("utime() works well", "[spiffs]")
+{
+    const char filename[] = "/spiffs/utime.txt";
+    struct stat achieved_stat;
+    struct tm desired_tm;
+    struct utimbuf desired_time = {
+        .actime = 0, // access time is not supported
+        .modtime = 0,
+    };
+    time_t false_now = 0;
+    memset(&desired_tm, 0, sizeof(struct tm));
+
+    test_setup();
+    {
+        // Setting up a false actual time - used when the file is created and for modification with the current time
+        desired_tm.tm_mon = 10 - 1;
+        desired_tm.tm_mday = 31;
+        desired_tm.tm_year = 2018 - 1900;
+        desired_tm.tm_hour = 10;
+        desired_tm.tm_min = 35;
+        desired_tm.tm_sec = 23;
+
+        false_now = mktime(&desired_tm);
+
+        struct timeval now = { .tv_sec = false_now };
+        settimeofday(&now, NULL);
+    }
+    test_spiffs_create_file_with_text(filename, "");
+
+    // 00:00:00. January 1st, 1900
+    desired_tm.tm_mon = 1 - 1;
+    desired_tm.tm_mday = 1;
+    desired_tm.tm_year = 0;
+    desired_tm.tm_hour = 0;
+    desired_tm.tm_min = 0;
+    desired_tm.tm_sec = 0;
+    printf("Testing mod. time: %s", asctime(&desired_tm));
+    desired_time.modtime = mktime(&desired_tm);
+    TEST_ASSERT_EQUAL(0, utime(filename, &desired_time));
+    TEST_ASSERT_EQUAL(0, stat(filename, &achieved_stat));
+    TEST_ASSERT_EQUAL_UINT32(desired_time.modtime, achieved_stat.st_mtime);
+
+    // 23:59:08. December 31st, 2145
+    desired_tm.tm_mon = 12 - 1;
+    desired_tm.tm_mday = 31;
+    desired_tm.tm_year = 2145 - 1900;
+    desired_tm.tm_hour = 23;
+    desired_tm.tm_min = 59;
+    desired_tm.tm_sec = 8;
+    printf("Testing mod. time: %s", asctime(&desired_tm));
+    desired_time.modtime = mktime(&desired_tm);
+    TEST_ASSERT_EQUAL(0, utime(filename, &desired_time));
+    TEST_ASSERT_EQUAL(0, stat(filename, &achieved_stat));
+    TEST_ASSERT_EQUAL_UINT32(desired_time.modtime, achieved_stat.st_mtime);
+
+    // Current time
+    TEST_ASSERT_EQUAL(0, utime(filename, NULL));
+    TEST_ASSERT_EQUAL(0, stat(filename, &achieved_stat));
+    printf("Mod. time changed to (false actual time): %s", ctime(&achieved_stat.st_mtime));
+    TEST_ASSERT_NOT_EQUAL(desired_time.modtime, achieved_stat.st_mtime);
+    TEST_ASSERT(false_now - achieved_stat.st_mtime <= 2); // two seconds of tolerance are given
+
+    test_teardown();
+}
 #endif // CONFIG_SPIFFS_USE_MTIME