Add tests (wip)

test/test_util.cpp

@@ -0,0 +1,76 @@
+#include "test_util.h"
+#include <gtest/gtest.h>
+
+#include <unistd.h>
+#include <fcntl.h>
+
+#define FILE_NOT_FOUND_ERR "Could not file, did you clone the test files repo?"
+
+
+int fs_read(struct vfile *f, void *buf, size_t size) {
+
+    if (f->fd == -1) {
+        f->fd = open(f->filepath, O_RDONLY);
+        if (f->fd == -1) {
+            return -1;
+        }
+    }
+
+    return read(f->fd, buf, size);
+}
+
+//Note: No out of bounds check
+int mem_read(vfile_t *f, void *buf, size_t size) {
+    memcpy(buf, f->_test_data, size);
+    f->_test_data = (char *) f->_test_data + size;
+    return 0;
+}
+
+void fs_close(vfile_t *f) {
+    if (f->fd != -1) {
+        close(f->fd);
+    }
+}
+
+void load_file(const char *filepath, vfile_t *f) {
+    stat(filepath, &f->info);
+    f->fd = open(filepath, O_RDONLY);
+
+    if (f->fd == -1) {
+        FAIL() << FILE_NOT_FOUND_ERR;
+    }
+
+    f->filepath = filepath;
+    f->read = fs_read;
+    f->close = fs_close;
+    f->is_fs_file = TRUE;
+}
+
+void load_mem(void *mem, size_t size, vfile_t *f) {
+    f->filepath = "_mem_";
+    f->_test_data = mem;
+    f->info.st_size = size;
+    f->read = mem_read;
+    f->close = nullptr;
+    f->is_fs_file = TRUE;
+}
+
+meta_line_t *get_meta(document_t *doc, metakey key) {
+    meta_line_t *meta = doc->meta_head;
+    while (meta != nullptr) {
+        if (meta->key == key) {
+            return meta;
+        }
+        meta = meta->next;
+    }
+    return nullptr;
+}
+
+void destroy_doc(document_t *doc) {
+    meta_line_t *meta = doc->meta_head;
+    while (meta != nullptr) {
+        meta_line_t *tmp = meta;
+        meta = tmp->next;
+        free(tmp);
+    }
+}