def test_refresh(self):
plot = os.path.join(self.tempdir, 'plot.svg')
plot2 = os.path.join(self.tempdir, 'plot2.svg')
sdf = specplot.openSpecFile(self.data_file.name)
scan = sdf.getScan(3)
plotter = specplot.LinePlotter()
# plot the first data
plotter.plot_scan(scan, plot)
self.assertTrue(os.path.exists(plot))
plotsize = os.path.getsize(plot)
mtime = os.path.getmtime(plot)
self.assertGreater(plotsize, 0)
self.assertGreater(mtime, 0)
for iter in range(2):
scan_number = sdf.refresh()
if scan_number is None:
scan = sdf.getScan(3)
self.assertTrue(scan.__interpreted__)
# update the file with more data
self.addMoreScans()
time.sleep(0.1)
else:
scan = sdf.getScan(3)
self.assertFalse(scan.__interpreted__)
plotter.plot_scan(scan, plot2)
self.assertTrue(os.path.exists(plot2))
self.assertGreater(os.path.getmtime(plot2), mtime)
self.assertNotEqual(os.path.getsize(plot2), plotsize)
def test_y_values_all_zero_lin_lin(self):
specFile = os.path.join(os.path.dirname(__file__), 'data',
'issue64_data.txt')
scan_number = 50
sfile = specplot.openSpecFile(specFile)
scan = sfile.getScan(scan_number)
self.assertTrue(scan is not None)
plotter = specplot.LinePlotter()
if os.path.exists(
self.plotFile): # always re-create this plot for testing
os.remove(self.plotFile)
plotter.plot_scan(scan, self.plotFile)
self.assertTrue(os.path.exists(self.plotFile))
def test_scan_aborted_after_0_points(self):
specFile = self.abs_data_fname('33bm_spec.dat')
scan_number = 15
sfile = specplot.openSpecFile(specFile)
scan = sfile.getScan(scan_number)
self.assertTrue(scan is not None)
plotter = specplot.LinePlotter()
if os.path.exists(
self.plotFile): # always re-create this plot for testing
os.remove(self.plotFile)
self.assertRaises(specplot.NoDataToPlot, plotter.plot_scan, scan,
self.plotFile)
self.assertFalse(os.path.exists(self.plotFile))