Add file storage to allow to collect ephemeral data #562.

3 files changed, 135 insertions, 1 deletions

diff --git a/tests/.gitignore b/tests/.gitignore
index c802245..362dcd3 100644
--- a/tests/.gitignore
+++ b/tests/.gitignore
@@ -1 +1,2 @@
 /test-*
+!/test-*.c
diff --git a/tests/Makefile b/tests/Makefile
index 6ebc85d..c3ce1ca 100644
--- a/tests/Makefile
+++ b/tests/Makefile
@@ -4,7 +4,8 @@ include ../config.mk
 
 TEST_PROGS = test-util \
 			 test-shortcut \
-			 test-handler
+			 test-handler \
+			 test-file-storage
 
 all: $(TEST_PROGS)
 	$(Q)LD_LIBRARY_PATH="$(LD_LIBRARY_PATH):." gtester --verbose $(TEST_PROGS)
diff --git a/tests/test-file-storage.c b/tests/test-file-storage.c
new file mode 100644
index 0000000..28859b2
--- /dev/null
+++ b/tests/test-file-storage.c
@@ -0,0 +1,132 @@
+/**
+ * vimb - a webkit based vim like browser.
+ *
+ * Copyright (C) 2012-2019 Daniel Carl
+ *
+ * This program 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.
+ *
+ * This program 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 <src/file-storage.h>
+#include <gio/gio.h>
+#include <stdio.h>
+
+static char *pwd;
+static char *none_existing_file = "_absent.txt";
+static char *created_file       = "_created.txt";
+static char *existing_file      = "_existent.txt";
+
+static void test_ephemeral_no_file(void)
+{
+    FileStorage *s;
+    char **lines;
+    char *file_path;
+
+    file_path = g_build_filename(pwd, none_existing_file, NULL);
+
+    /* make sure the file does not exist */
+    remove(file_path);
+    s = file_storage_new(pwd, none_existing_file, 0);
+    g_assert_nonnull(s);
+
+    /* empty file storage */
+    lines = file_storage_get_lines(s);
+    g_assert_cmpint(g_strv_length(lines), ==, 0);
+    g_strfreev(lines);
+
+    file_storage_append(s, "-%s\n", "foo");
+    file_storage_append(s, "-%s\n", "bar");
+
+    /* File must not be created on appending data to storage */
+    g_assert_false(g_file_test(file_path, G_FILE_TEST_IS_REGULAR));
+
+    lines = file_storage_get_lines(s);
+    g_assert_cmpint(g_strv_length(lines), ==, 3);
+    g_assert_cmpstr(lines[0], ==, "-foo");
+    g_assert_cmpstr(lines[1], ==, "-bar");
+    g_strfreev(lines);
+    file_storage_free(s);
+    g_free(file_path);
+}
+
+static void test_file_created(void)
+{
+    FileStorage *s;
+    char *file_path;
+
+    file_path = g_build_filename(pwd, created_file, NULL);
+    remove(file_path);
+
+    g_assert_false(g_file_test(file_path, G_FILE_TEST_IS_REGULAR));
+    s = file_storage_new(pwd, created_file, 0640);
+    g_assert_true(g_file_test(file_path, G_FILE_TEST_IS_REGULAR));
+
+    file_storage_free(s);
+    g_free(file_path);
+}
+
+static void test_ephemeral_with_file(void)
+{
+    FileStorage *s;
+    char *file_path;
+    char **lines;
+    char *content = NULL;
+    gboolean result;
+
+    file_path = g_build_filename(pwd, existing_file, NULL);
+    result = g_file_set_contents(file_path, "one\n", -1, NULL);
+    g_assert_true(result);
+
+    s = file_storage_new(pwd, existing_file, 0);
+    g_assert_nonnull(s);
+
+    /* empty file storage but file with two lines */
+    lines = file_storage_get_lines(s);
+    g_assert_cmpint(g_strv_length(lines), ==, 2);
+    g_strfreev(lines);
+
+    file_storage_append(s, "%s\n", "two ephemeral");
+
+    lines = file_storage_get_lines(s);
+    g_assert_cmpint(g_strv_length(lines), ==, 3);
+    g_assert_cmpstr(lines[0], ==, "one");
+    g_assert_cmpstr(lines[1], ==, "two ephemeral");
+    g_strfreev(lines);
+
+    /* now make sure the file was not changed */
+    g_file_get_contents(file_path, &content, NULL, NULL);
+    g_assert_cmpstr(content, ==, "one\n");
+
+    file_storage_free(s);
+    g_free(file_path);
+}
+
+int main(int argc, char *argv[])
+{
+    int result;
+    g_test_init(&argc, &argv, NULL);
+
+    pwd = g_get_current_dir();
+
+    g_test_add_func("/test-file-storage/ephemeral-no-file", test_ephemeral_no_file);
+    g_test_add_func("/test-file-storage/file-created", test_file_created);
+    g_test_add_func("/test-file-storage/ephemeral-with-file", test_ephemeral_with_file);
+
+    result = g_test_run();
+
+    remove(existing_file);
+    remove(created_file);
+    g_free(pwd);
+
+    return result;
+}