tests: Add a small test for red_record_ APIs

Signed-off-by: Frediano Ziglio <fziglio@redhat.com>
Acked-by: Eduardo Lima (Etrunko) <etrunko@redhat.com>

server/tests/.gitignore

@@ -27,5 +27,6 @@ test-vdagent
 test-gst
 test-leaks
 test-sasl
+test-record
 /test-*.log
 /test-*.trs

server/tests/Makefile.am

@@ -63,6 +63,7 @@ check_PROGRAMS =				\
 	test-channel				\
 	test-stream-device			\
 	test-listen				\
+	test-record				\
 	$(NULL)
 
 noinst_PROGRAMS =				\

server/tests/meson.build

@@ -47,6 +47,7 @@ tests = [
   ['test-channel', true],
   ['test-stream-device', true],
   ['test-listen', true],
+  ['test-record', true],
   ['test-display-no-ssl', false],
   ['test-display-streaming', false],
   ['test-playback', false],

server/tests/test-record.c

@@ -0,0 +1,100 @@
+/* -*- Mode: C; c-basic-offset: 4; indent-tabs-mode: nil -*- */
+/*
+   Copyright (C) 2018 Red Hat, Inc.
+
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   This library 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
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with this library; if not, see <http://www.gnu.org/licenses/>.
+*/
+/*
+ * Test some red_record_ APIs.
+ */
+#include <config.h>
+
+#include <unistd.h>
+#include <string.h>
+#include <stdbool.h>
+
+#include "test-glib-compat.h"
+#include "red-record-qxl.h"
+
+#define OUTPUT_FILENAME "rec1.txt"
+
+static void
+test_record(bool compress)
+{
+    RedRecord *rec;
+    const char *fn = OUTPUT_FILENAME;
+
+    unsetenv("SPICE_WORKER_RECORD_FILTER");
+    if (compress) {
+        setenv("SPICE_WORKER_RECORD_FILTER", "gzip", 1);
+    }
+
+    // delete possible stale test output
+    unlink(fn);
+    g_assert_cmpint(access(fn, F_OK), <, 0);
+
+    // create recorder
+    rec = red_record_new(fn);
+    g_assert_nonnull(rec);
+
+    // check file was created by recorder
+    g_assert_cmpint(access(fn, F_OK), ==, 0);
+
+    g_assert_nonnull(red_record_ref(rec));
+    red_record_unref(rec);
+
+    // record something
+    red_record_event(rec, 1, 123);
+
+    red_record_unref(rec);
+
+    // check content of the output file
+    FILE *f;
+    if (!compress) {
+        f = fopen(fn, "r");
+    } else {
+        f = popen("gzip -dc < " OUTPUT_FILENAME, "r");
+    }
+    g_assert_nonnull(f);
+
+    char line[1024];
+    int version;
+    g_assert_nonnull(fgets(line, sizeof(line), f));
+    g_assert_cmpint(sscanf(line, "SPICE_REPLAY %d", &version), ==, 1);
+
+    int w, t;
+    g_assert_nonnull(fgets(line, sizeof(line), f));
+    g_assert_cmpint(sscanf(line, "event %*d %d %d", &w, &t), ==, 2);
+    g_assert_cmpint(w, ==, 1);
+    g_assert_cmpint(t, ==, 123);
+
+    g_assert_null(fgets(line, sizeof(line), f));
+
+    if (!compress) {
+        fclose(f);
+    } else {
+        pclose(f);
+    }
+
+    // clean test output file
+    unlink(fn);
+}
+
+int
+main(void)
+{
+    test_record(false);
+    test_record(true);
+    return 0;
+}