Source code for PyMca5.tests.SpecfileTest

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__author__ = "V. Armando Sole - ESRF Data Analysis"
__contact__ = "sole@esrf.fr"
__license__ = "MIT"
__copyright__ = "European Synchrotron Radiation Facility, Grenoble, France"
import unittest
import sys
import os
import gc
import tempfile

[docs]class testSpecfile(unittest.TestCase):
[docs] def setUp(self): """ import the module """ try: from PyMca5.PyMcaIO import specfile self.specfileClass = specfile except: self.specfileClass = None if self.specfileClass is not None: text = "#F \n" text += "\n" text += "#S 10 Undefined command 0\n" text += "#N 3\n" text += "#L First label Second label Third label\n" text += "10 100 1000\n" text += "20 400 8000\n" text += "30 900 270000\n" text += "\n" text += "#S 20 Undefined command 1\n" text += "#N 3\n" text += "#L First Second Third\n" text += "1.3 1 1\n" text += "2.5 4 8\n" text += "3.7 9 27\n" text += "\n" tmpFile = tempfile.mkstemp(text=False) if sys.version < '3.0': os.write(tmpFile[0], text) else: os.write(tmpFile[0], bytes(text, 'utf-8')) os.close(tmpFile[0]) self.fname = tmpFile[1]
[docs] def tearDown(self): """clean up any possible files""" # make sure the file handle is free self._sf = None self._scan = None # this should free the handle gc.collect() if self.specfileClass is not None: if os.path.exists(self.fname): os.remove(self.fname)
[docs] def testSpecfileImport(self): #"""Test successful import""" self.assertTrue(self.specfileClass is not None, 'Unsuccessful PyMca5.PyMcaIO.specfile import')
[docs] def testSpecfileReading(self): #"""Test specfile readout""" self.testSpecfileImport() self._sf = self.specfileClass.Specfile(self.fname) # test the number of found scans self.assertEqual(len(self._sf), 2, 'Expected to read 2 scans, read %s' %\ len(self._sf)) self.assertEqual(self._sf.scanno(), 2, 'Expected to read 2 scans, got %s' %\ self._sf.scanno()) # test scan iteration selection method self._scan = self._sf[1] labels = self._scan.alllabels() expectedLabels = ['First', 'Second', 'Third'] self.assertEqual(len(labels), 3, 'Expected to read 3 scans, got %s' % len(labels)) for i in range(3): self.assertEqual(labels[i], expectedLabels[i], 'Read "%s" instead of "%s"' %\ (labels[i], expectedLabels[i])) # test scan number selection method self._scan = self._sf.select('20.1') labels = self._scan.alllabels() sf = None expectedLabels = ['First', 'Second', 'Third'] self.assertEqual(len(labels), 3, 'Expected to read 3 labels, got %s' % len(labels)) for i in range(3): self.assertEqual(labels[i], expectedLabels[i], 'Read "%s" instead of "%s"' %\ (labels[i], expectedLabels[i])) gc.collect()
[docs] def testSpecfileReadingCompatibleWithUserLocale(self): #"""Test specfile compatible with C locale""" self.testSpecfileImport() self._sf = self.specfileClass.Specfile(self.fname) self._scan = self._sf[1] datacol = self._scan.datacol(1) data = self._scan.data() self._sf = None self.assertEqual(datacol[0], 1.3, 'Read %f instead of %f' %\ (datacol[0], 1.3)) self.assertEqual(datacol[1], 2.5, 'Read %f instead of %f' %\ (datacol[1], 2.5)) self.assertEqual(datacol[2], 3.7, 'Read %f instead of %f' %\ (datacol[2], 3.7)) self.assertEqual(datacol[1], data[0][1], 'Read %f instead of %f' %\ (datacol[1], data[0][1])) gc.collect()
[docs]def getSuite(auto=True): testSuite = unittest.TestSuite() if auto: testSuite.addTest(\ unittest.TestLoader().loadTestsFromTestCase(testSpecfile)) else: # use a predefined order testSuite.addTest(testSpecfile("testSpecfileImport")) testSuite.addTest(testSpecfile("testSpecfileReading")) testSuite.addTest(\ testSpecfile("testSpecfileReadingCompatibleWithUserLocale")) return testSuite
[docs]def test(auto=False): unittest.TextTestRunner(verbosity=2).run(getSuite(auto=auto))
if __name__ == '__main__': test()