Added unit tests for checking "detect type of line breaks" functionality

Signed-off-by: Slava Zanko <slavazanko@gmail.com>

configure.ac

@@ -617,6 +617,7 @@ tests/lib/search/Makefile
 tests/lib/vfs/Makefile
 tests/src/Makefile
 tests/src/filemanager/Makefile
+tests/src/editor/Makefile
 ])
 
 fi

tests/src/Makefile.am

@@ -1 +1 @@
-SUBDIRS = filemanager
+SUBDIRS = . filemanager editor

tests/src/editor/Makefile.am

@@ -0,0 +1,17 @@
+AM_CFLAGS = -I$(top_srcdir)/src/editor $(GLIB_CFLAGS) -I$(top_srcdir) @CHECK_CFLAGS@
+
+LIBS=@CHECK_LIBS@  \
+    $(top_builddir)/lib/libmc.la \
+    $(top_builddir)/src/vfs/libmc-vfs.la
+
+EXTRA_DIST = common_editor_includes.c
+
+CLEANFILES = detect_linebreaks.log
+
+TESTS = \
+	detect_linebreaks
+
+check_PROGRAMS = $(TESTS)
+
+detect_linebreaks_SOURCES = \
+	detect_linebreaks.c

tests/src/editor/common_editor_includes.c

@@ -0,0 +1,87 @@
+/*
+   src/editor - common include files for testing static functions
+
+   Copyright (C) 2011
+   The Free Software Foundation, Inc.
+
+   Written by:
+   Slava Zanko <slavazanko@gmail.com>, 2011
+
+   This file is part of the Midnight Commander.
+
+   The Midnight Commander 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 3 of the License,
+   or (at your option) any later version.
+
+   The Midnight Commander 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 this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "edit-widget.h"
+#include "lib/global.h"
+#include "lib/keybind.h"
+
+/* ********************************************************************************************* */
+/* mock variables and functions */
+
+int drop_menus = 0;
+const global_keymap_t *editor_map = NULL;
+const global_keymap_t *editor_x_map = NULL;
+GArray *macros_list = NULL;
+int option_tab_spacing = 8;
+int macro_index = -1;
+
+static gboolean
+do_select_codepage (void)
+{
+    return TRUE;
+}
+static gboolean
+user_menu_cmd (struct WEdit *edit_widget, const char *menu_file, int selected_entry)
+{
+    (void) edit_widget;
+    (void) menu_file;
+    (void) selected_entry;
+    return TRUE;
+}
+static int
+check_for_default (const char *default_file, const char *file)
+{
+    (void) default_file;
+    (void) file;
+    return 0;
+}
+static void
+save_setup_cmd (void)
+{
+}
+static void
+learn_keys (void)
+{
+}
+static void
+view_other_cmd (void)
+{
+}
+
+/* ********************************************************************************************* */
+
+#include "bookmark.c"
+#include "edit.c"
+#include "editcmd.c"
+#include "editwidget.c"
+#include "editdraw.c"
+#include "editkeys.c"
+#include "editmenu.c"
+#include "editoptions.c"
+#include "syntax.c"
+#include "wordproc.c"
+#include "choosesyntax.c"
+#include "etags.c"
+#include "editcmd_dialogs.c"

tests/src/editor/detect_linebreaks.c

@@ -0,0 +1,311 @@
+/*
+   src/editor - check 'detect linebreaks' functionality
+
+   Copyright (C) 2011
+   The Free Software Foundation, Inc.
+
+   Written by:
+   Slava Zanko <slavazanko@gmail.com>, 2011
+
+   This file is part of the Midnight Commander.
+
+   The Midnight Commander 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 3 of the License,
+   or (at your option) any later version.
+
+   The Midnight Commander 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 this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#define TEST_SUITE_NAME "src/editor/detect_linebreaks"
+
+#include <check.h>
+
+#include <config.h>
+
+#include "common_editor_includes.c" /* for testing static functions*/
+
+#include "src/vfs/local/local.h"
+
+const char *filename = "detect_linebreaks.in.txt";
+struct macro_action_t record_macro_buf[MAX_MACRO_LENGTH];
+
+static void
+setup (void)
+{
+    str_init_strings (NULL);
+
+    vfs_init ();
+    init_localfs ();
+    vfs_setup_work_dir ();
+}
+
+static void
+teardown (void)
+{
+    vfs_shut ();
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+START_TEST (test_detect_lb_type)
+{
+    LineBreaks result;
+    /* prepare for test */
+    int fd = open (filename, O_WRONLY|O_CREAT, 0644);
+    int i;
+    if (fd == -1)
+    {
+        fail("unable to create test input file %s",filename);
+        return;
+    }
+    for (i = 0;i<200;i++)
+    {
+        write (fd, "Test for detect line break\r\n", 29);
+    }
+    write (fd, "\r\n", 2);
+    close(fd);
+
+    result = detect_lb_type ((char *) filename);
+    fail_unless(result == LB_WIN, "Incorrect lineBreak: result(%d) != LB_WIN(%d)",result, LB_WIN);
+
+    unlink(filename);
+}
+END_TEST
+
+/* --------------------------------------------------------------------------------------------- */
+
+START_TEST (test_detect_lb_type_very_long_string)
+{
+    LineBreaks result;
+    /* prepare for test */
+    int fd = open (filename, O_WRONLY|O_CREAT, 0644);
+    int i;
+    if (fd == -1)
+    {
+        fail("unable to create test input file %s",filename);
+        return;
+    }
+    for (i = 0; i<20 ; i++)
+    {
+        write (fd, "Very long string. ", 18);
+    }
+    write (fd, "\r\n", 2);
+    close(fd);
+
+    result = detect_lb_type ((char *) filename);
+    fail_unless(result == LB_WIN, "Incorrect lineBreak: result(%d) != LB_WIN(%d)",result, LB_WIN);
+
+    unlink(filename);
+}
+END_TEST
+
+/* --------------------------------------------------------------------------------------------- */
+
+START_TEST (test_detect_lb_type_rrrrrn)
+{
+    LineBreaks result;
+    /* prepare for test */
+    int fd = open (filename, O_WRONLY|O_CREAT, 0644);
+    if (fd == -1)
+    {
+        fail("unable to create test input file %s",filename);
+        return;
+    }
+    write (fd, "test\r\r\r\r\r\n", 10);
+    close(fd);
+
+    result = detect_lb_type ((char *) filename);
+    fail_unless(result == LB_MAC, "Incorrect lineBreak: result(%d) != LB_MAC(%d)",result, LB_MAC);
+
+    unlink(filename);
+}
+END_TEST
+
+/* --------------------------------------------------------------------------------------------- */
+
+START_TEST (test_detect_lb_type_nnnnnr)
+{
+    LineBreaks result;
+    /* prepare for test */
+    int fd = open (filename, O_WRONLY|O_CREAT, 0644);
+    if (fd == -1)
+    {
+        fail("unable to create test input file %s",filename);
+        return;
+    }
+    write (fd, "test\n\n\n\n\n\r", 10);
+    close(fd);
+
+    result = detect_lb_type ((char *) filename);
+    fail_unless(result == LB_ASIS, "Incorrect lineBreak: result(%d) != LB_ASIS(%d)",result, LB_ASIS);
+
+    unlink(filename);
+}
+END_TEST
+
+/* --------------------------------------------------------------------------------------------- */
+
+START_TEST (test_detect_lb_type_rrrrrr)
+{
+    LineBreaks result;
+    /* prepare for test */
+    int fd = open (filename, O_WRONLY|O_CREAT, 0644);
+    if (fd == -1)
+    {
+        fail("unable to create test input file %s",filename);
+        return;
+    }
+    write (fd, "test\r\r\r\r\r\r", 10);
+    close(fd);
+
+    result = detect_lb_type ((char *) filename);
+    fail_unless(result == LB_MAC, "Incorrect lineBreak: result(%d) != LB_MAC(%d)",result, LB_MAC);
+
+    unlink(filename);
+}
+END_TEST
+
+/* --------------------------------------------------------------------------------------------- */
+
+START_TEST (test_detect_lb_type_nnnnnn)
+{
+    LineBreaks result;
+    /* prepare for test */
+    int fd = open (filename, O_WRONLY|O_CREAT, 0644);
+    if (fd == -1)
+    {
+        fail("unable to create test input file %s",filename);
+        return;
+    }
+    write (fd, "test\n\n\n\n\n\n", 10);
+    close(fd);
+
+    result = detect_lb_type ((char *) filename);
+    fail_unless(result == LB_ASIS, "Incorrect lineBreak: result(%d) != LB_ASIS(%d)",result, LB_ASIS);
+
+    unlink(filename);
+}
+END_TEST
+
+/* --------------------------------------------------------------------------------------------- */
+
+START_TEST (test_detect_lb_type_buffer_border)
+{
+    LineBreaks result;
+    char buf[DETECT_LB_TYPE_BUFLEN];
+    /* prepare for test */
+    int fd = open (filename, O_WRONLY|O_CREAT, 0644);
+    if (fd == -1)
+    {
+        fail("unable to create test input file %s",filename);
+        return;
+    }
+    memset(buf, ' ', DETECT_LB_TYPE_BUFLEN);
+    buf[DETECT_LB_TYPE_BUFLEN - 1] = '\r';
+
+    write (fd, buf, DETECT_LB_TYPE_BUFLEN);
+    write (fd, "\n", 1);
+    close(fd);
+
+    result = detect_lb_type ((char *) filename);
+    fail_unless(result == LB_WIN, "Incorrect lineBreak: result(%d) != LB_WIN(%d)",result, LB_WIN);
+
+    unlink(filename);
+}
+END_TEST
+
+/* --------------------------------------------------------------------------------------------- */
+
+START_TEST (test_detect_lb_type_buffer_border_overflow)
+{
+    LineBreaks result;
+    char buf[DETECT_LB_TYPE_BUFLEN];
+    /* prepare for test */
+    int fd = open (filename, O_WRONLY|O_CREAT, 0644);
+    if (fd == -1)
+    {
+        fail("unable to create test input file %s",filename);
+        return;
+    }
+    memset(buf, ' ', DETECT_LB_TYPE_BUFLEN);
+    buf[DETECT_LB_TYPE_BUFLEN - 1] = '\r';
+
+    write (fd, buf, DETECT_LB_TYPE_BUFLEN);
+    write (fd, "bla-bla\r\n", 9);
+    close(fd);
+
+    result = detect_lb_type ((char *) filename);
+    fail_unless(result == LB_MAC, "Incorrect lineBreak: result(%d) != LB_MAC(%d)",result, LB_MAC);
+
+    unlink(filename);
+}
+END_TEST
+
+/* --------------------------------------------------------------------------------------------- */
+
+START_TEST (test_detect_lb_type_buffer_border_more)
+{
+    LineBreaks result;
+    char buf[DETECT_LB_TYPE_BUFLEN];
+    /* prepare for test */
+    int fd = open (filename, O_WRONLY|O_CREAT, 0644);
+    if (fd == -1)
+    {
+        fail("unable to create test input file %s",filename);
+        return;
+    }
+    memset(buf, ' ', DETECT_LB_TYPE_BUFLEN);
+
+    write (fd, buf, DETECT_LB_TYPE_BUFLEN);
+    write (fd, "bla-bla\n", 8);
+    close(fd);
+
+    result = detect_lb_type ((char *) filename);
+    fail_unless(result == LB_ASIS, "Incorrect lineBreak: result(%d) != LB_ASIS(%d)",result, LB_ASIS);
+
+    unlink(filename);
+}
+END_TEST
+
+/* --------------------------------------------------------------------------------------------- */
+
+int
+main (void)
+{
+    int number_failed;
+
+    Suite *s = suite_create (TEST_SUITE_NAME);
+    TCase *tc_core = tcase_create ("Core");
+    SRunner *sr;
+
+    tcase_add_checked_fixture (tc_core, setup, teardown);
+
+    /* Add new tests here: *************** */
+    tcase_add_test (tc_core, test_detect_lb_type);
+    tcase_add_test (tc_core, test_detect_lb_type_very_long_string);
+    tcase_add_test (tc_core, test_detect_lb_type_rrrrrn);
+    tcase_add_test (tc_core, test_detect_lb_type_nnnnnr);
+    tcase_add_test (tc_core, test_detect_lb_type_rrrrrr);
+    tcase_add_test (tc_core, test_detect_lb_type_nnnnnn);
+    tcase_add_test (tc_core, test_detect_lb_type_buffer_border);
+    tcase_add_test (tc_core, test_detect_lb_type_buffer_border_overflow);
+    tcase_add_test (tc_core, test_detect_lb_type_buffer_border_more);
+   /* *********************************** */
+
+    suite_add_tcase (s, tc_core);
+    sr = srunner_create (s);
+    srunner_set_log (sr, "detect_linebreaks.log");
+    srunner_run_all (sr, CK_NORMAL);
+    number_failed = srunner_ntests_failed (sr);
+    srunner_free (sr);
+    return (number_failed == 0) ? 0 : 1;
+}
+
+/* --------------------------------------------------------------------------------------------- */