GitHub Actions debugging

.github/workflows/nestbuildmatrix.yml

@@ -49,6 +49,7 @@ jobs:
              cpp_compiler: "clang"
 
      steps:
+       - uses: actions/checkout@v2
 
        # Steps represent a sequence of tasks that will be executed as part of the job
        - name: Checkout repo content
@@ -137,3 +138,8 @@ jobs:
            python extras/parse_build_log.py gha_build.sh.log ${{ github.workspace }}
          env:
            xNEST_BUILD_TYPE: FULL
+
+       - name: tmate
+         if: ${{ failure() }}
+         uses: mxschmitt/action-tmate@v3
+

pynest/nest/tests/test_visualization.py

@@ -88,8 +88,14 @@ def voltage_trace_verify(self, device):
             x_data, y_data = line.get_data()
             # Check that times are correct
             self.assertEqual(list(x_data), list(np.unique(device.get('events', 'times'))))
+            print("times:")
+            print(x_data)
+            print(list(np.unique(device.get('events', 'times'))))
             # Check that voltmeter data corresponds to the lines in the plot
             self.assertTrue(all(np.isclose(ref_vm, y_data)))
+            print("v_m:")
+            print(ref_vm)
+            print(y_data)
         plt.close(ax.get_figure())
 
     @unittest.skipIf(not PLOTTING_POSSIBLE, 'Plotting impossible because matplotlib or display missing')
@@ -102,21 +108,27 @@ def test_voltage_trace_from_device(self):
         device = nest.Create('voltmeter')
         nest.Connect(pg, nodes)
         nest.Connect(device, nodes)
+        wfwf = nest.Create('spike_recorder')
+        nest.Connect(pg,wfwf)
         nest.Simulate(100)
 
         # Test with data from device
+        print("From device:--------------------------------------")
         nest.voltage_trace.from_device(device)
         self.voltage_trace_verify(device)
 
-        # Test with fata from file
+        # Test with data from file
         vm = device.get('events')
         data = np.zeros([len(vm['senders']), 3])
         data[:, 0] = vm['senders']
         data[:, 1] = vm['times']
         data[:, 2] = vm['V_m']
         filename = os.path.join(self.nest_tmpdir(), 'voltage_trace.txt')
         self.filenames.append(filename)
+        print("FILENAME::::::::::::::::: " + str(filename))
         np.savetxt(filename, data)
+
+        print("From file:--------------------------------------")
         nest.voltage_trace.from_file(filename)
         self.voltage_trace_verify(device)