Merge pull request #9 from palnabarun/add-pytest-mpl

Adds pytest-mpl

Author: story645

.travis.yml

@@ -6,6 +6,10 @@ cache:
     - $HOME/.cache/pip
     - $HOME/.cache/matplotlib
 
+env:
+  global:
+    - MPLBACKEND=agg
+
 matrix:
   fast_finish: true
   include:
@@ -23,7 +27,7 @@ install:
   - python -m pip install -ve .
 
 script:
-  - coverage run run_tests.py
+  - pytest --cov=mplaltair --mpl
   - coverage report -m
   - set -e
   - codecov

mplaltair/tests/test_basic.py

@@ -1,3 +1,10 @@
+import matplotlib.pyplot as plt
+
 def test_import():
     import mplaltair
     del mplaltair
+
+def test_mpl_figure():
+    fig = plt.figure()
+    del fig
+

run_tests.py

@@ -1 +1,3 @@
 vega-datasets>=0.5.0
+pytest-mpl>=0.9
+pytest-cov>=2.5.1