Cover ccf (#192)

* move tests outside the nwbwidgets package

* add test for StartAndDurationController

* add test for ccfwidget

* add requirements-dev

* try using requirements-dev

.github/workflows/workflow.yml

@@ -15,7 +15,7 @@ jobs:
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
-        pip install -r requirements.txt
+        pip install -r requirements-dev.txt
     - name: Install nwbwidgets
       run: |
         pip install -e .

requirements-dev.txt

@@ -0,0 +1,11 @@
+pynwb
+ipympl
+ipywidgets
+matplotlib
+numpy
+ipyvolume
+ndx_grayscalevolume
+plotly
+tqdm>=4.36.0
+ndx-spectrum
+aiohttp

test/test_ecephys.py

@@ -8,7 +8,7 @@
 from pynwb import TimeSeries
 from pynwb.ecephys import SpikeEventSeries, ElectricalSeries, LFP
 
-from nwbwidgets.ecephys import show_spectrogram, show_spike_event_series
+from nwbwidgets.ecephys import show_spectrogram, show_spike_event_series, show_ccf
 from nwbwidgets.view import default_neurodata_vis_spec
 from nwbwidgets.base import show_multi_container_interface
 from nwbwidgets import nwb2widget
@@ -105,3 +105,7 @@ def test_show_spectrogram():
 
     channel = 3
     show_spectrogram(ts, channel=channel)
+
+
+def test_show_ccf():
+    show_ccf()