Run tests from top directory.

.github/scripts/test.sh

@@ -1,4 +1,3 @@
 #!/bin/sh
 set -ex
-cd tests
-LANG=C exec xvfb-run -a -s '-screen 0 1024x768x24' /usr/bin/python3 ../test.py *.dot graphs/*.gv
+LANG=C exec xvfb-run -a -s '-screen 0 1024x768x24' /usr/bin/python3 test.py tests/*.dot tests/graphs/*.gv

HACKING.md

@@ -1,5 +1,8 @@
 # Testing
 
-    cd tests
-    ../test.py *.dot
-    ../test.py graphs/*.gv
+    ./test.py tests/*.dot
+    ./test.py tests/graphs/*.gv
+
+or simply
+
+    .github/scripts/test.sh

tests/graphs/user_shapes.gv

@@ -1,5 +1,5 @@
 digraph G {
-  n [label="", shapefile="graphs/jcr.gif"]
-  x [width=3, height=3, label="", shapefile="graphs/jcr.gif"]
+  n [label="", shapefile="tests/graphs/jcr.gif"]
+  x [width=3, height=3, label="", shapefile="tests/graphs/jcr.gif"]
   m -> n -> x
 }

tests/svg_user_shape.dot

@@ -1,5 +1,5 @@
 digraph G {
-  n [label="", shapefile="sample.svg"]
-  x [width=3, height=3, label="", shapefile="sample.svg"]
+  n [label="", shapefile="tests/sample.svg"]
+  x [width=3, height=3, label="", shapefile="tests/sample.svg"]
   m -> n -> x
 }