Move file encryption function to public header

tests/unittests/omemo/stub_omemo.c

@@ -79,31 +79,15 @@ omemo_own_fingerprint(gboolean formatted)
     return NULL;
 }
 
-void
-omemo_start_muc_sessions(const char* const roomjid)
-{
-}
-void
-omemo_start_session(const char* const barejid)
-{
-}
-void
-omemo_trust(const char* const jid, const char* const fingerprint_formatted)
-{
-}
-void
-omemo_untrust(const char* const jid, const char* const fingerprint_formatted)
-{
-}
-void
-omemo_devicelist_publish(GList* device_list)
-{
-}
-void
-omemo_publish_crypto_materials(void)
-{
-}
-void
-omemo_start_sessions(void)
-{
-}
+void omemo_start_muc_sessions(const char *const roomjid) {}
+void omemo_start_session(const char *const barejid) {}
+void omemo_trust(const char *const jid, const char *const fingerprint_formatted) {}
+void omemo_untrust(const char *const jid, const char *const fingerprint_formatted) {}
+void omemo_devicelist_publish(GList *device_list) {}
+void omemo_publish_crypto_materials(void) {}
+void omemo_start_sessions(void) {}
+
+char *omemo_encrypt_file(FILE *in, FILE *out, off_t file_size, int *gcry_res) {
+    return NULL;
+};
+void omemo_free(void *a) {};

tests/unittests/test_omemo.c

@@ -1,10 +0,0 @@
-#include <cmocka.h>
-#include <setjmp.h>
-#include <stdarg.h>
-#include <stddef.h>
-#include <stdlib.h>
-
-#include "omemo/crypto.h"
-
-void test_omemo_aesgcm256_encrypt_file(void **state) {}
-void test_omemo_aesgcm256_encrypt_file(void **state) {}

tests/unittests/test_omemo.h

@@ -1,2 +0,0 @@
-void test_omemo_aesgcm256_encrypt_file(void **state);
-void test_omemo_aesgcm256_decrypt_file(void **state);