test: libhectic

package/c/libhectic/test/test.c

@@ -0,0 +1,49 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <assert.h>
+#include "libhectic.h"
+
+// Reusable test function for any raise_* logging function.
+// The logging function must have the signature: char* func(const char* message)
+void test_raise_generic(const char* (*raise_func)(const char*), LogLevel log_level, const char* level_str) {
+    FILE *orig_stderr = stderr;
+    FILE *temp = tmpfile();
+    char result_buffer[256];
+
+    if (!temp) {
+        perror("tmpfile");
+        exit(EXIT_FAILURE);
+    }
+    stderr = temp;
+
+    logger_level(log_level);
+    int line = __LINE__;
+    char* time_str = raise_func("message");
+    logger_level_reset();
+
+    fflush(stderr);
+    fseek(temp, 0, SEEK_SET);
+    size_t nread = fread(result_buffer, 1, sizeof(result_buffer) - 1, temp);
+    result_buffer[nread] = '\0';
+
+    stderr = orig_stderr;
+    fclose(temp);
+
+    char expected_buffer[256];
+    sprintf(expected_buffer, "%s %d %s: message\n", time_str, line + 1, level_str, message);
+    assert(strcmp(result_buffer, expected_buffer) == 0);
+}
+
+int main(void) {
+    set_output_color_mode(COLOR_MODE_DISABLE);
+
+    test_raise_generic(raise_log,   LOG_LEVEL_LOG,   "LOG");
+    test_raise_generic(raise_debug, LOG_LEVEL_DEBUG, "DEBUG");
+    test_raise_generic(raise_warn,  LOG_LEVEL_INFO, "INFO");
+    test_raise_generic(raise_notice,  LOG_LEVEL_NOTICE, "NOTICE");
+    test_raise_generic(raise_warn,  LOG_LEVEL_WARN, "WARN");
+    test_raise_generic(raise_exception,  LOG_LEVEL_EXCEPTION, "EXCEPTION");
+
+    return 0;
+}