loader: added tests

4 files changed, 70 insertions, 34 deletions

diff --git a/src/file.c b/src/file.c
new file mode 100644
index 0000000..7648340
--- /dev/null
+++ b/src/file.c
@@ -0,0 +1,50 @@
+/*
+ * blogc: A blog compiler.
+ * Copyright (C) 2015 Rafael G. Martins <rafael@rafaelmartins.eng.br>
+ *
+ * This program can be distributed under the terms of the BSD License.
+ * See the file COPYING.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif /* HAVE_CONFIG_H */
+
+#include <errno.h>
+#include <stdio.h>
+#include <string.h>
+#include "utils/utils.h"
+#include "file.h"
+#include "error.h"
+
+// this would belong to loader.c, but we need it in a separated file to be
+// able to mock it when unit testing the loader functions.
+
+
+char*
+blogc_file_get_contents(const char *path, size_t *len, blogc_error_t **err)
+{
+    if (path == NULL || err == NULL || *err != NULL)
+        return NULL;
+
+    *len = 0;
+    FILE *fp = fopen(path, "r");
+
+    if (fp == NULL) {
+        int tmp_errno = errno;
+        *err = blogc_error_new_printf(BLOGC_ERROR_LOADER,
+            "Failed to open file (%s): %s", path, strerror(tmp_errno));
+        return NULL;
+    }
+
+    b_string_t *str = b_string_new();
+    char buffer[BLOGC_FILE_CHUNK_SIZE];
+
+    while (!feof(fp)) {
+        size_t read_len = fread(buffer, sizeof(char), BLOGC_FILE_CHUNK_SIZE, fp);
+        *len += read_len;
+        b_string_append_len(str, buffer, read_len);
+    }
+    fclose(fp);
+    return b_string_free(str, false);
+}
diff --git a/src/file.h b/src/file.h
new file mode 100644
index 0000000..5abdba7
--- /dev/null
+++ b/src/file.h
@@ -0,0 +1,19 @@
+/*
+ * blogc: A blog compiler.
+ * Copyright (C) 2015 Rafael G. Martins <rafael@rafaelmartins.eng.br>
+ *
+ * This program can be distributed under the terms of the BSD License.
+ * See the file COPYING.
+ */
+
+#ifndef _FILE_H
+#define _FILE_H
+
+#include "utils/utils.h"
+#include "error.h"
+
+#define BLOGC_FILE_CHUNK_SIZE 1024
+
+char* blogc_file_get_contents(const char *path, size_t *len, blogc_error_t **err);
+
+#endif /* _FILE_H */
diff --git a/src/loader.c b/src/loader.c
index 87abd8e..786fc05 100644
--- a/src/loader.c
+++ b/src/loader.c
@@ -10,10 +10,9 @@
 #include <config.h>
 #endif /* HAVE_CONFIG_H */
 
-#include <errno.h>
-#include <stdio.h>
 #include <string.h>
 #include "utils/utils.h"
+#include "file.h"
 #include "source-parser.h"
 #include "template-parser.h"
 #include "loader.h"
@@ -21,35 +20,6 @@
 
 
 char*
-blogc_file_get_contents(const char *path, size_t *len, blogc_error_t **err)
-{
-    if (err == NULL || *err != NULL)
-        return NULL;
-
-    *len = 0;
-    FILE *fp = fopen(path, "r");
-
-    if (fp == NULL) {
-        int tmp_errno = errno;
-        *err = blogc_error_new_printf(BLOGC_ERROR_LOADER,
-            "Failed to open file (%s): %s", path, strerror(tmp_errno));
-        return NULL;
-    }
-
-    b_string_t *str = b_string_new();
-    char buffer[BLOGC_FILE_CHUNK_SIZE];
-
-    while (!feof(fp)) {
-        size_t read_len = fread(buffer, sizeof(char), BLOGC_FILE_CHUNK_SIZE, fp);
-        *len += read_len;
-        b_string_append_len(str, buffer, read_len);
-    }
-    fclose(fp);
-    return b_string_free(str, false);
-}
-
-
-char*
 blogc_get_filename(const char *f)
 {
     if (f == NULL)
diff --git a/src/loader.h b/src/loader.h
index 2b6b306..683465b 100644
--- a/src/loader.h
+++ b/src/loader.h
@@ -12,9 +12,6 @@
 #include "utils/utils.h"
 #include "error.h"
 
-#define BLOGC_FILE_CHUNK_SIZE 1024
-
-char* blogc_file_get_contents(const char *path, size_t *len, blogc_error_t **err);
 char* blogc_get_filename(const char *f);
 b_slist_t* blogc_template_parse_from_file(const char *f, blogc_error_t **err);
 b_trie_t* blogc_source_parse_from_file(const char *f, blogc_error_t **err);