Add test for caffe.draw.draw_net()

python/caffe/test/test_draw.py

@@ -0,0 +1,33 @@
+import os
+import unittest
+
+from google import protobuf
+
+import caffe.draw
+from caffe.proto import caffe_pb2
+
+def getFilenames():
+    """Yields files in the source tree which are Net prototxts."""
+    result = []
+
+    root_dir = os.path.abspath(os.path.join(
+        os.path.dirname(__file__), '..', '..', '..'))
+    assert os.path.exists(root_dir)
+
+    for dirname in ('models', 'examples'):
+        dirname = os.path.join(root_dir, dirname)
+        assert os.path.exists(dirname)
+        for cwd, _, filenames in os.walk(dirname):
+            for filename in filenames:
+                filename = os.path.join(cwd, filename)
+                if filename.endswith('.prototxt') and 'solver' not in filename:
+                    yield os.path.join(dirname, filename)
+
+
+class TestDraw(unittest.TestCase):
+    def test_draw_net(self):
+        for filename in getFilenames():
+            net = caffe_pb2.NetParameter()
+            with open(filename) as infile:
+                protobuf.text_format.Merge(infile.read(), net)
+            caffe.draw.draw_net(net, 'LR')

scripts/travis/install-deps.sh

@@ -8,6 +8,7 @@ source $BASEDIR/defaults.sh
 apt-get -y update
 apt-get install -y --no-install-recommends \
   build-essential \
+  graphviz \
   libboost-filesystem-dev \
   libboost-python-dev \
   libboost-system-dev \
@@ -31,6 +32,7 @@ if ! $WITH_PYTHON3 ; then
     python-dev \
     python-numpy \
     python-protobuf \
+    python-pydot \
     python-skimage
 else
   # Python3

scripts/travis/install-python-deps.sh

@@ -11,4 +11,5 @@ if ! $WITH_PYTHON3 ; then
 else
   # Python3
   pip install --pre protobuf==3.0.0b3
+  pip install pydot
 fi