Added SVG-to-GCode flow test.

tests/test_svg_flow.py

@@ -0,0 +1,129 @@
+import sys
+import unittest
+from PyQt4 import QtGui
+from FlatCAMApp import App
+from FlatCAMObj import FlatCAMGeometry, FlatCAMCNCjob
+from ObjectUI import GerberObjectUI, GeometryObjectUI
+from time import sleep
+import os
+import tempfile
+
+
+class SVGFlowTestCase(unittest.TestCase):
+
+    def setUp(self):
+        self.app = QtGui.QApplication(sys.argv)
+
+        # Create App, keep app defaults (do not load
+        # user-defined defaults).
+        self.fc = App(user_defaults=False)
+
+        self.filename = 'drawing.svg'
+
+    def tearDown(self):
+        del self.fc
+        del self.app
+
+    def test_flow(self):
+
+        self.fc.import_svg('tests/svg/' + self.filename)
+
+        names = self.fc.collection.get_names()
+        print names
+
+        #--------------------------------------
+        # Total of 1 objects.
+        #--------------------------------------
+        self.assertEquals(len(names), 1,
+                          "Expected 1 object, found %d" % len(names))
+
+        #--------------------------------------
+        # Object's name matches the file name.
+        #--------------------------------------
+        self.assertEquals(names[0], self.filename,
+                          "Expected name == %s, got %s" % (self.filename, names[0]))
+
+        #---------------------------------------
+        # Get object by that name, make sure it's a FlatCAMGerber.
+        #---------------------------------------
+        geo_name = names[0]
+        geo_obj = self.fc.collection.get_by_name(geo_name)
+        self.assertTrue(isinstance(geo_obj, FlatCAMGeometry),
+                        "Expected FlatCAMGeometry, instead, %s is %s" %
+                        (geo_name, type(geo_obj)))
+
+        #----------------------------------------
+        # Object's GUI matches Object's options
+        #----------------------------------------
+        # TODO: Open GUI with double-click on object.
+        # Opens the Object's GUI, populates it.
+        geo_obj.build_ui()
+        for option, value in geo_obj.options.iteritems():
+            try:
+                form_field = geo_obj.form_fields[option]
+            except KeyError:
+                print ("**********************************************************\n"
+                       "* WARNING: Option '{}' has no form field\n"
+                       "**********************************************************"
+                       "".format(option))
+                continue
+            self.assertEqual(value, form_field.get_value(),
+                             "Option '{}' == {} but form has {}".format(
+                                 option, value, form_field.get_value()
+                             ))
+
+        #------------------------------------
+        # Open the UI, make CNCObject
+        #------------------------------------
+        geo_obj.build_ui()
+        ui = geo_obj.ui
+        assert isinstance(ui, GeometryObjectUI)  # Just for the IDE
+        ui.generate_cnc_button.click()  # Click
+
+        # Work is done in a separate thread and results are
+        # passed via events to the main event loop which is
+        # not running. Run only for pending events.
+        #
+        # I'm not sure why, but running it only once does
+        # not catch the new object. Might be a timing issue.
+        # http://pyqt.sourceforge.net/Docs/PyQt4/qeventloop.html#details
+        for _ in range(2):
+            sleep(0.1)
+            self.app.processEvents()
+
+        #---------------------------------------------
+        # Check that only 1 object has been created.
+        #---------------------------------------------
+        names = self.fc.collection.get_names()
+        self.assertEqual(len(names), 2,
+                         "Expected 2 objects, found %d" % len(names))
+
+        #-------------------------------------------------------
+        # Make sure the CNC Job Object has the correct name
+        #-------------------------------------------------------
+        cnc_name = geo_name + "_cnc"
+        self.assertTrue(cnc_name in names,
+                        "Object named %s not found." % geo_name)
+
+        #-------------------------------------------------------
+        # Get the object make sure it's a CNC Job object
+        #-------------------------------------------------------
+        cnc_obj = self.fc.collection.get_by_name(cnc_name)
+        self.assertTrue(isinstance(cnc_obj, FlatCAMCNCjob),
+                        "Expected a FlatCAMCNCJob, got %s" % type(geo_obj))
+
+        #-----------------------------------------
+        # Export G-Code, check output
+        #-----------------------------------------
+        assert isinstance(cnc_obj, FlatCAMCNCjob)
+        output_filename = ""
+        # get system temporary file(try create it and  delete also)
+        with tempfile.NamedTemporaryFile(prefix='unittest.',
+                                         suffix="." + cnc_name + '.gcode',
+                                         delete=True) as tmp_file:
+            output_filename = tmp_file.name
+        cnc_obj.export_gcode(output_filename)
+        self.assertTrue(os.path.isfile(output_filename))
+        os.remove(output_filename)
+
+        print names