[gedit] Added tests for document loader

[Jesse van den Kieboom <jessevdk src gnome org>]

commit 5ee88d5d6192ceff5303a8f32305d7760b003542
Author: Jesse van den Kieboom <jesse icecrew nl>
Date:   Sat Jan 23 20:22:16 2010 +0100

    Added tests for document loader

 tests/Makefile.am       |    4 +
 tests/document-loader.c |  232 +++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 236 insertions(+), 0 deletions(-)
---
diff --git a/tests/Makefile.am b/tests/Makefile.am
index ed07cd4..2641d3f 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -11,3 +11,7 @@ smart_converter_LDADD		= $(progs_ldadd)
 TEST_PROGS			+= document-input-stream
 document_input_stream_SOURCES	= document-input-stream.c
 document_input_stream_LDADD	= $(progs_ldadd)
+
+TEST_PROGS			+= document-loader
+document_loader_SOURCES		= document-loader.c
+document_loader_LDADD		= $(progs_ldadd)
diff --git a/tests/document-loader.c b/tests/document-loader.c
new file mode 100644
index 0000000..0f0f446
--- /dev/null
+++ b/tests/document-loader.c
@@ -0,0 +1,232 @@
+/*
+ * document-loader.c
+ * This file is part of gedit
+ *
+ * Copyright (C) 2010 - Jesse van den Kieboom
+ *
+ * gedit is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * gedit is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with gedit; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, 
+ * Boston, MA  02110-1301  USA
+ */
+
+#include "gedit-gio-document-loader.h"
+#include <gio/gio.h>
+#include <gtk/gtk.h>
+#include <glib.h>
+#include <string.h>
+
+static gboolean test_completed;
+
+typedef struct
+{
+	const gchar   *in_buffer;
+	gint           newline_type;
+} LoaderTestData;
+
+static void
+create_document (const gchar *filename,
+                 const gchar *contents)
+{
+	GError *error = NULL;
+	GeditDocument *document;
+	GFile *file;
+	gchar *uri;
+
+	if (!g_file_set_contents (filename, contents, -1, &error))
+	{
+		g_assert_no_error (error);
+	}
+}
+
+static void
+on_document_loaded (GeditDocument  *document,
+                    GError         *error,
+                    LoaderTestData *data)
+{
+	GtkTextIter start, end;
+	gchar *text;
+
+	test_completed = TRUE;
+
+	g_assert_no_error (error);
+
+	if (data->in_buffer != NULL)
+	{
+		gtk_text_buffer_get_bounds (GTK_TEXT_BUFFER (document), &start, &end);
+		text = gtk_text_iter_get_slice (&start, &end);
+
+		g_assert_cmpstr (text, ==, data->in_buffer);
+	}
+
+	if (data->newline_type != -1)
+	{
+		g_assert_cmpint (gedit_document_get_newline_type (document),
+		                 ==,
+		                 data->newline_type);
+	}
+}
+
+static void
+test_loader (const gchar *filename,
+             const gchar *contents,
+             const gchar *in_buffer,
+             gint         newline_type)
+{
+	GFile *file;
+	gchar *uri;
+	GeditDocument *document;
+
+	create_document (filename, contents);
+
+	document = gedit_document_new ();
+
+	LoaderTestData *data = g_slice_new (LoaderTestData);
+	data->in_buffer = in_buffer;
+	data->newline_type = newline_type;
+
+	test_completed = FALSE;
+
+	g_signal_connect (document,
+	                  "loaded",
+	                  G_CALLBACK (on_document_loaded),
+	                  data);
+
+	file = g_file_new_for_path (filename);
+	uri = g_file_get_uri (file);
+
+	gedit_document_load (document, uri, gedit_encoding_get_utf8 (), 0, FALSE);
+
+	g_free (uri);
+	g_object_unref (file);
+
+	while (!test_completed)
+	{
+		g_main_context_iteration (NULL, TRUE);
+	}
+
+	g_slice_free (LoaderTestData, data);
+	g_object_unref (document);
+}
+
+static void
+test_end_line_stripping ()
+{
+	test_loader ("document-loader.txt",
+	             "hello world\n",
+	             "hello world",
+	             -1);
+
+	test_loader ("document-loader.txt",
+	             "hello world",
+	             "hello world",
+	             -1);
+
+	test_loader ("document-loader.txt",
+	             "\nhello world",
+	             "\nhello world",
+	             -1);
+
+	test_loader ("document-loader.txt",
+	             "\nhello world\n",
+	             "\nhello world",
+	             -1);
+
+	test_loader ("document-loader.txt",
+	             "hello world\n\n",
+	             "hello world\n",
+	             -1);
+
+	test_loader ("document-loader.txt",
+	             "hello world\r\n",
+	             "hello world",
+	             -1);
+
+	test_loader ("document-loader.txt",
+	             "hello world\r\n\r\n",
+	             "hello world\r\n",
+	             -1);
+
+	test_loader ("document-loader.txt",
+	             "\n",
+	             "",
+	             -1);
+
+	test_loader ("document-loader.txt",
+	             "\r\n",
+	             "",
+	             -1);
+
+	test_loader ("document-loader.txt",
+	             "\n\n",
+	             "\n",
+	             -1);
+
+	test_loader ("document-loader.txt",
+	             "\r\n\r\n",
+	             "\r\n",
+	             -1);
+}
+
+static void
+test_end_new_line_detection ()
+{
+	test_loader ("document-loader.txt",
+	             "hello world\n",
+	             NULL,
+	             GEDIT_DOCUMENT_NEWLINE_TYPE_LF);
+
+	test_loader ("document-loader.txt",
+	             "hello world\r\n",
+	             NULL,
+	             GEDIT_DOCUMENT_NEWLINE_TYPE_CR_LF);
+
+	test_loader ("document-loader.txt",
+	             "hello world\r",
+	             NULL,
+	             GEDIT_DOCUMENT_NEWLINE_TYPE_CR);
+}
+
+static void
+test_begin_new_line_detection ()
+{
+	test_loader ("document-loader.txt",
+	             "\nhello world",
+	             NULL,
+	             GEDIT_DOCUMENT_NEWLINE_TYPE_LF);
+
+	test_loader ("document-loader.txt",
+	             "\r\nhello world",
+	             NULL,
+	             GEDIT_DOCUMENT_NEWLINE_TYPE_CR_LF);
+
+	test_loader ("document-loader.txt",
+	             "\rhello world",
+	             NULL,
+	             GEDIT_DOCUMENT_NEWLINE_TYPE_CR);
+}
+
+int main (int   argc,
+          char *argv[])
+{
+	g_type_init ();
+	g_test_init (&argc, &argv, NULL);
+
+	gedit_prefs_manager_app_init ();
+
+	g_test_add_func ("/document-loader/end-line-stripping", test_end_line_stripping);
+	g_test_add_func ("/document-loader/end-new-line-detection", test_end_new_line_detection);
+	g_test_add_func ("/document-loader/begin-new-line-detection", test_begin_new_line_detection);
+
+	return g_test_run ();
+}