xref: /petsc/src/binding/petsc4py/test/test_viewer_py.py (revision 2a0542af5b96679e15dcb3eb4597efe0e4f4a185) 
1# --------------------------------------------------------------------
2
3from petsc4py import PETSc
4import unittest
5
6# --------------------------------------------------------------------
7
8
9class EmptyViewer:
10    def __init__(self):
11        self.log = {}
12
13    def _log(self, method, *args):
14        self.log.setdefault(method, 0)
15        self.log[method] += 1
16
17    def setUp(self, viewer):
18        self._log('setUp')
19
20    def view(self, viewer, outviewer):
21        self._log('view')
22
23    def setFromOptions(self, viewer):
24        self._log('setFromOptions')
25
26    def flush(self, viewer):
27        self._log('flush')
28
29
30class PythonViewer(EmptyViewer):
31    obj_viewed = []
32
33    def viewObject(self, viewer, pobj):
34        self.obj_viewed.append(pobj.klass)
35
36
37# --------------------------------------------------------------------
38
39
40class BaseTestViewPYTHON:
41    ContextClass = None
42    ContextName = None
43
44    def setUp(self):
45        self.viewer = PETSc.Viewer()
46        self.viewer.create(PETSc.COMM_SELF)
47        self.viewer.setType(PETSc.Viewer.Type.PYTHON)
48        if self.ContextClass is not None:
49            ctx = self.ContextClass()
50            self.viewer.setPythonContext(ctx)
51            self.viewer.setFromOptions()
52            self.viewer.setUp()
53        elif self.ContextName is not None:
54            self.viewer.setPythonType(self.ContextName)
55            self.viewer.setFromOptions()
56            self.viewer.setUp()
57        ctx = self.viewer.getPythonContext()
58        if ctx is not None:
59            self.assertTrue(ctx.log['setFromOptions'] == 1)
60            self.assertTrue(ctx.log['setUp'] == 1)
61
62    def tearDown(self):
63        self.viewer.destroy()
64        PETSc.garbage_cleanup()
65
66    def testGetType(self):
67        ctx = self.viewer.getPythonContext()
68        pytype = None
69        if ctx is not None:
70            pytype = f'{ctx.__module__}.{type(ctx).__name__}'
71        self.assertTrue(self.viewer.getPythonType() == pytype)
72
73    def testViewObject(self):
74        v = PETSc.Vec().create(PETSc.COMM_SELF)
75        self.viewer.viewObjectPython(v)
76        v.destroy()
77        v = PETSc.KSP().create(PETSc.COMM_SELF)
78        self.viewer.viewObjectPython(v)
79        v.destroy()
80        v = PETSc.DM().create(PETSc.COMM_SELF)
81        v.setFromOptions()
82        self.viewer.viewObjectPython(v)
83        v.destroy()
84        ctx = self.viewer.getPythonContext()
85        if ctx is not None and hasattr(ctx, 'obj_viewed'):
86            ov = ctx.obj_viewed
87            self.assertTrue(len(ov) == 3)
88            self.assertTrue(ov[0] == 'Vec')
89            self.assertTrue(ov[1] == 'KSP')
90            self.assertTrue(ov[2] == 'DM')
91
92    # def testView(self):
93    #     self.viewer.view()
94
95
96class TestNone(BaseTestViewPYTHON, unittest.TestCase):
97    ContextClass = None
98
99
100class TestEmptyViewer(BaseTestViewPYTHON, unittest.TestCase):
101    ContextClass = EmptyViewer
102
103
104class TestPythonView(BaseTestViewPYTHON, unittest.TestCase):
105    ContextClass = PythonViewer
106
107
108# --------------------------------------------------------------------
109
110if __name__ == '__main__':
111    unittest.main()
112