Write timestamps

[tl-append] / tl-append-test.c

diff --git a/tl-append-test.c b/tl-append-test.c
index 6d037cb1cb57ad307ca53ca307fc603b67f0a40c..4d51c38803dce622f6603c658f8461e981845626 100644 (file)
--- a/tl-append-test.c
+++ b/tl-append-test.c
@@ -1,4 +1,7 @@
 #define _POSIX_C_SOURCE 2
+#define _XOPEN_SOURCE
+#include <assert.h>
+#include <ctype.h>
 #include <errno.h>
 #include <stdio.h>
 #include <stdlib.h>
@@ -7,6 +10,8 @@
 
 #include "common.h"
 
+const size_t TIMESTAMP_LEN = 19;
+
 typedef struct expectation {
   time_t a, b;
   const char *message;
@@ -48,26 +53,93 @@ static ex_t write_to_tl_append(const char *content) {
   return expectation(start, end, content);
 }
 
+static void verify_timestamp(const ex_t *ex, const char *line) {
+  struct tm tm;
+
+  /* localtime_r to set tm's timezone */
+  time_t now_time = time(NULL);
+  if (localtime_r(&now_time, &tm) == NULL)
+    die_err("Can't unpack current time?");
+
+  const char *strptime_result = strptime(line, "%Y %m %d %H %M %S", &tm);
+  if (strptime_result == NULL || strptime_result != &line[TIMESTAMP_LEN])
+    die("Wrong contents in log file: Couldn't parse timestamp");
+  time_t t = mktime(&tm);
+  int t_in_range = ex->a <= t && t <= ex->b;
+  if (!t_in_range)
+    die("Wrong contents in log file: Wrong time");
+}
+
+static void verify_line(const ex_t *ex, const char *line) {
+  size_t line_len = strlen(line);
+  if (line_len < TIMESTAMP_LEN + 1)
+    die("Wrong contents in log file: Line too short");
+  verify_timestamp(ex, line);
+  if (line[TIMESTAMP_LEN] != ' ')
+    die("Wrong contents in log file: Bad format");
+  if (strncmp(ex->message, &line[TIMESTAMP_LEN + 1], strlen(ex->message) + 1) !=
+      0)
+    die("Wrong contents in log file");
+}
+
 static void verify_log_contents(ex_t exps[]) {
 
   FILE *f = fopen(FILENAME, "r");
   if (f == NULL)
     die_err("Error opening log file");
   for (size_t i = 0; !is_end(exps[i]); i++) {
-    size_t len = strlen(exps[i].message);
+    size_t len = TIMESTAMP_LEN + 1 + strlen(exps[i].message);
     char *buf = (char *)malloc(len + 2);
     if (fgets(buf, len + 1, f) == NULL)
       die("Error reading log file");
     if (ferror(f))
       die("Error reading log file");
-    if (strncmp(exps[i].message, buf, len + 1) != 0)
-      die("Wrong contents in log file");
+    verify_line(&exps[i], buf);
     free(buf);
   }
   if (fclose(f) != 0)
     die_err("Error closing log file");
 }
 
+static void test_encode_time() {
+  /* localtime_r to set tm's timezone */
+  time_t now_time = time(NULL);
+  struct tm tm;
+  if (localtime_r(&now_time, &tm) == NULL)
+    die_err("Can't unpack current time?");
+
+  const char *strptime_result = strptime("2011-12-13 14:15:16", "%F %T", &tm);
+  if (strptime_result == NULL || *strptime_result != '\0')
+    die("Couldn't parse time?");
+  time_t tt = mktime(&tm);
+  if (tt == (time_t)-1)
+    die_err("Can't pack time?");
+
+  const char *encoded = encode_time(tt);
+  /* Loose check to allow for daylight savings time changes between the current
+   * time and the target time.  :( */
+  assert(encoded[0] == '2');
+  assert(encoded[1] == '0');
+  assert(encoded[2] == '1');
+  assert(encoded[3] == '1');
+  assert(encoded[4] == ' ');
+  assert(encoded[5] == '1');
+  assert(encoded[6] == '2');
+  assert(encoded[7] == ' ');
+  assert(encoded[8] == '1');
+  assert(encoded[9] == '3');
+  assert(encoded[10] == ' ');
+  assert(encoded[11] == '1');
+  assert(isdigit(encoded[12]));
+  assert(encoded[13] == ' ');
+  assert(isdigit(encoded[14]));
+  assert(isdigit(encoded[15]));
+  assert(encoded[16] == ' ');
+  assert(encoded[17] == '1');
+  assert(encoded[18] == '6');
+  assert(encoded[19] == '\0');
+}
+
 static void write_and_read_line() {
   remove_logfile();
   ex_t e = write_to_tl_append("foo\n");
@@ -82,6 +154,7 @@ static void write_and_read_two_lines() {
 }
 
 int main() {
+  test_encode_time();
   write_and_read_line();
   write_and_read_two_lines();
 }