[tepl] File unit tests: test untitled files

[Sébastien Wilmet <swilmet src gnome org>]

commit 75bf8c540bfa87d4fa6f1e37e016eced995ae92f
Author: Sébastien Wilmet <swilmet gnome org>
Date:   Mon May 18 16:00:54 2020 +0200

    File unit tests: test untitled files

 po/POTFILES.skip      |  1 +
 testsuite/meson.build |  2 +-
 testsuite/test-file.c | 66 +++++++++++++++++++++++++++++++++++++++++++++++----
 3 files changed, 63 insertions(+), 6 deletions(-)
---
diff --git a/po/POTFILES.skip b/po/POTFILES.skip
index 690d5eb..5a1d800 100644
--- a/po/POTFILES.skip
+++ b/po/POTFILES.skip
@@ -1,2 +1,3 @@
 tepl/tepl-io-error-info-bar.c
 tepl/tepl-progress-info-bar.c
+testsuite/test-file.c
diff --git a/testsuite/meson.build b/testsuite/meson.build
index 4a4b317..18504e3 100644
--- a/testsuite/meson.build
+++ b/testsuite/meson.build
@@ -1,5 +1,5 @@
 unit_tests = [
-  #'test-file',
+  'test-file',
   'test-file-saver',
   'test-fold-region',
   'test-info-bar',
diff --git a/testsuite/test-file.c b/testsuite/test-file.c
index bb78454..edec01e 100644
--- a/testsuite/test-file.c
+++ b/testsuite/test-file.c
@@ -1,9 +1,60 @@
-/* SPDX-FileCopyrightText: 2016 - Sébastien Wilmet <swilmet gnome org>
+/* SPDX-FileCopyrightText: 2016-2020 - Sébastien Wilmet <swilmet gnome org>
  * SPDX-License-Identifier: LGPL-3.0-or-later
  */
 
+#include "config.h"
 #include <tepl/tepl.h>
+#include <glib/gi18n-lib.h>
 
+static void
+check_short_name_is_untitled_file_number (TeplFile *file,
+                                         gint      untitled_number)
+{
+       gchar *expected_short_name;
+
+       /* For the translation it needs to be the exact same string as in the
+        * TeplFile implementation, to be able to run the unit test with any
+        * locale.
+        */
+       expected_short_name = g_strdup_printf (_("Untitled File %d"), untitled_number);
+       g_assert_cmpstr (tepl_file_get_short_name (file), ==, expected_short_name);
+       g_free (expected_short_name);
+}
+
+static void
+test_untitled_files (void)
+{
+       TeplFile *file1;
+       TeplFile *file2;
+       TeplFile *file3;
+       GFile *location;
+
+       file1 = tepl_file_new ();
+       check_short_name_is_untitled_file_number (file1, 1);
+
+       file2 = tepl_file_new ();
+       check_short_name_is_untitled_file_number (file2, 2);
+
+       /* Release an untitled number by destroying a file. */
+       g_object_unref (file1);
+       check_short_name_is_untitled_file_number (file2, 2); // still the same.
+       file1 = tepl_file_new ();
+       check_short_name_is_untitled_file_number (file1, 1);
+
+       /* Release an untitled number by setting a location. */
+       location = g_file_new_for_path ("location");
+       tepl_file_set_location (file1, location);
+       check_short_name_is_untitled_file_number (file2, 2); // still the same.
+       file3 = tepl_file_new ();
+       check_short_name_is_untitled_file_number (file3, 1);
+
+       g_object_unref (file1);
+       g_object_unref (file2);
+       g_object_unref (file3);
+       g_object_unref (location);
+}
+
+#if 0
 static void
 sleep_for_one_second (void)
 {
@@ -239,14 +290,19 @@ test_externally_modified (void)
        g_object_unref (new_location);
        g_object_unref (buffer);
 }
+#endif
 
-gint
-main (gint   argc,
-      gchar *argv[])
+int
+main (int    argc,
+      char **argv)
 {
        gtk_test_init (&argc, &argv);
 
-       g_test_add_func ("/file/externally-modified", test_externally_modified);
+       g_test_add_func ("/file/untitled_files", test_untitled_files);
+
+#if 0
+       g_test_add_func ("/file/externally_modified", test_externally_modified);
+#endif
 
        return g_test_run ();
 }