[gegl-gtk] Add test infrastructure, and a sanity test

[Jon Nordby <jonnor src gnome org>]

commit b8cce89cabf84e08fadd9ad4e9a086bd71b8ce67
Author: Jon Nordby <jononor gmail com>
Date:   Thu Jun 23 20:07:11 2011 +0200

    Add test infrastructure, and a sanity test

 Makefile.am       |    3 +-
 configure.ac      |    1 +
 tests/.gitignore  |    3 ++
 tests/Makefile.am |   58 ++++++++++++++++++++++++++++++++++++++++++
 tests/test-view.c |   72 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 5 files changed, 136 insertions(+), 1 deletions(-)
---
diff --git a/Makefile.am b/Makefile.am
index 0ef1542..f0ddf69 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -5,7 +5,8 @@ ACLOCAL_AMFLAGS = -I m4 ${ACLOCAL_FLAGS}
 SUBDIRS=\
 	gegl-gtk \
 	operations \
-	examples
+	examples \
+	tests
 
 pkgconfigdir = $(libdir)/pkgconfig
 
diff --git a/configure.ac b/configure.ac
index 71bd27b..badcc20 100644
--- a/configure.ac
+++ b/configure.ac
@@ -274,6 +274,7 @@ Makefile
 gegl-gtk/Makefile
 operations/Makefile
 examples/Makefile
+tests/Makefile
 gegl-gtk2-0.1.pc
 gegl-gtk3-0.1.pc
 ])
diff --git a/tests/.gitignore b/tests/.gitignore
new file mode 100644
index 0000000..c1627e2
--- /dev/null
+++ b/tests/.gitignore
@@ -0,0 +1,3 @@
+test-view
+*report.xml
+*report.html
diff --git a/tests/Makefile.am b/tests/Makefile.am
new file mode 100644
index 0000000..ccad802
--- /dev/null
+++ b/tests/Makefile.am
@@ -0,0 +1,58 @@
+
+check_PROGRAMS = test-view
+
+test_view_SOURCES = test-view.c
+test_view_CPPFLAGS = $(GTK_CFLAGS) $(GEGL_CFLAGS) -I$(top_srcdir)/gegl-gtk
+
+if HAVE_GTK2
+test_view_LDADD = $(top_builddir)/gegl-gtk/libgegl-gtk2-0.1.la $(GTK_LIBS) $(GEGL_LIBS)
+else
+test_view_LDADD = $(top_builddir)/gegl-gtk/libgegl-gtk3-0.1.la $(GTK_LIBS) $(GEGL_LIBS)
+endif
+
+
+# ----------------------------------------------
+# Rules for hooking up the unit/functional tests
+GTESTER = gtester
+GTESTER_REPORT = gtester-report
+
+# test: run all tests
+test: ${check_PROGRAMS}
+	@test -z "${check_PROGRAMS}" || top_srcdir=${top_srcdir} ${GTESTER} --verbose ${check_PROGRAMS}
+
+# test-report: run tests and generate report
+# perf-report: run tests with -m perf and generate report
+# full-report: like test-report: with -m perf and -m slow
+test-report perf-report full-report: ${check_PROGRAMS}
+	@ignore_logdir=true; \
+	if test -z "$$GTESTER_LOGDIR"; then \
+	  GTESTER_LOGDIR=`mktemp -d "\`pwd\`/.testlogs-XXXXXX"`; export GTESTER_LOGDIR; \
+	  ignore_logdir=false; \
+	fi; \
+	test -z "${check_PROGRAMS}" || { \
+	  case $@ in \
+	  test-report) test_options="-k";; \
+	  perf-report) test_options="-k -m=perf";; \
+	  full-report) test_options="-k -m=perf -m=slow";; \
+	  esac; \
+	  if test -z "$$GTESTER_LOGDIR"; then	\
+	    top_srcdir=${top_srcdir} ${GTESTER} --verbose $$test_options -o test-report.xml ${check_PROGRAMS}; \
+	  elif test -n "${check_PROGRAMS}"; then \
+	    top_srcdir=${top_srcdir} ${GTESTER} --verbose $$test_options -o `mktemp "$$GTESTER_LOGDIR/log-XXXXXX"` ${check_PROGRAMS}; \
+	  fi; \
+	}; \
+	$$ignore_logdir || { \
+	  echo '<?xml version="1.0"?>' > $  xml; \
+	  echo '<report-collection>'  >> $  xml; \
+	  for lf in `ls -L "$$GTESTER_LOGDIR"/.`; do \
+	    sed '1,1s/^<?xml\b[^>?]*?>//' <"$$GTESTER_LOGDIR"/"$$lf" >> $  xml; \
+	  done; \
+	  echo >> $  xml; \
+	  echo '</report-collection>' >> $  xml; \
+	  rm -rf "$$GTESTER_LOGDIR"/; \
+	  ${GTESTER_REPORT} --version 2>/dev/null 1>&2; test "$$?" != 0 || ${GTESTER_REPORT} $  xml >$  html; \
+	}
+# run make test as part of make check
+check-local: test
+
+.PHONY: test test-report perf-report full-report
diff --git a/tests/test-view.c b/tests/test-view.c
new file mode 100644
index 0000000..af4c079
--- /dev/null
+++ b/tests/test-view.c
@@ -0,0 +1,72 @@
+
+#include <glib.h>
+
+#include <gegl-gtk-view.h>
+#include <gegl.h>
+
+static gboolean
+quit_gtk_main (gpointer data)
+{
+    gtk_main_quit();
+}
+
+/* Test that instantiating the widget and hooking up a gegl graph 
+ * does not cause any crashes, criticals or warnings. */
+static void
+test_sanity (void) {
+
+    GtkWidget *window, *view;
+    GeglNode *gegl, *out, *loadbuf;
+    GeglBuffer *buffer;
+    gpointer buf;
+    GeglRectangle rect = {0, 0, 512, 512};
+
+    buffer = gegl_buffer_new (&rect, babl_format("R'G'B' u8"));
+    buf = gegl_buffer_linear_open (buffer, NULL, NULL, babl_format ("Y' u8"));
+    memset (buf, 255, 512 * 512);
+    gegl_buffer_linear_close (buffer, buf);
+
+    gegl = gegl_node_new ();
+    loadbuf = gegl_node_new_child (gegl, "operation", "gegl:buffer-source", "buffer", buffer, NULL);
+    out  = gegl_node_new_child (gegl, "operation", "gegl:nop", NULL);
+    gegl_node_link_many (loadbuf, out, NULL);
+
+    window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
+    view = GTK_WIDGET (g_object_new (GEGL_GTK_TYPE_VIEW, "node", out, NULL));
+    gtk_container_add (GTK_CONTAINER (window), view);
+    gtk_widget_set_size_request (view, 512, 512);
+    gtk_widget_show_all (window);
+
+    // XXX: Better to do on/after expose event instead?
+    g_timeout_add(300, quit_gtk_main, NULL);
+    gtk_main ();
+
+    g_object_unref (gegl);
+    gegl_buffer_destroy (buffer);
+    gtk_widget_destroy (window);
+}
+
+/* TODO:
+ * - Test redraw logic
+ * - Test redraw with translation
+ * - Test redraw with scaling
+ * - Test redraw with rotation
+ * Benchmarks for cases above
+ */
+
+int
+main (int argc, char **argv) {
+
+    int retval = -1;
+
+    g_thread_init(NULL);
+    gtk_init(&argc, &argv);
+    gegl_init(&argc, &argv);
+    g_test_init(&argc, &argv, NULL);
+
+    g_test_add_func("/widgets/view/sanity", test_sanity);
+
+    retval = g_test_run();
+    gegl_exit();
+    return retval;
+}