| [4561] | 1 | #!/usr/bin/env python |
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| 2 | # |
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| 3 | """ |
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| 4 | Let's do some system wide tests |
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| 5 | """ |
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| 6 | import tempfile |
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| 7 | import unittest |
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| 8 | import os |
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| 9 | |
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| 10 | from Scientific.IO.NetCDF import NetCDFFile |
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| 11 | from Numeric import allclose |
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| 12 | |
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| 13 | from anuga.shallow_water import Domain |
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| 14 | from anuga.shallow_water import Dirichlet_boundary, Time_boundary |
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| 15 | from anuga.shallow_water import File_boundary |
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| 16 | from anuga.pmesh.mesh import Mesh |
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| 17 | from anuga.abstract_2d_finite_volumes.pmesh2domain import pmesh_instance_to_domain_instance |
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| 18 | |
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| 19 | |
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| 20 | |
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| 21 | class Test_system(unittest.TestCase): |
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| 22 | def setUp(self): |
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| 23 | pass |
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| 24 | |
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| 25 | def tearDown(self): |
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| 26 | pass |
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| 27 | |
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| 28 | def create_sww_boundary(self, boundary_starttime): |
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| 29 | """ |
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| 30 | This creates a boundary file with ; |
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| 31 | time stage |
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| 32 | 0 5 |
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| 33 | 10 2.15268 |
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| 34 | 20 13.9773 |
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| 35 | """ |
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| 36 | tide = 5 |
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| 37 | boundary_filename = tempfile.mktemp(".sww") |
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| 38 | dir, base = os.path.split(boundary_filename) |
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| 39 | boundary_name = base[:-4] |
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| 40 | |
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| 41 | # Setup computational domain |
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| 42 | mesh = Mesh() |
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| 43 | mesh.add_region_from_polygon([[0,0], [100,0], [100,100], [0,100]]) |
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| 44 | mesh.generate_mesh(verbose=False) |
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| 45 | |
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| 46 | domain = pmesh_instance_to_domain_instance(mesh, Domain) |
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| 47 | domain.set_name(boundary_name) |
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| 48 | domain.set_datadir(dir) |
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| 49 | domain.starttime = boundary_starttime |
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| 50 | |
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| 51 | # Setup initial conditions |
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| 52 | domain.set_quantity('elevation', 0.0) |
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| 53 | domain.set_quantity('stage', tide) |
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| 54 | |
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| 55 | # Setup boundary conditions |
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| 56 | Bd = Dirichlet_boundary([tide,0.,0.]) # Constant boundary values |
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| 57 | Bd = Time_boundary(domain=domain, # Time dependent boundary |
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| 58 | f=lambda t: [t, 0.0, 0.0]) |
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| 59 | domain.set_boundary({'exterior': Bd}) |
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| 60 | for t in domain.evolve(yieldstep = 10, finaltime = 20.0): |
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| 61 | pass |
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| 62 | #domain.write_time() |
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| 63 | #print "domain.time", domain.time |
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| 64 | return boundary_filename |
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| 65 | |
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| 66 | def test_boundary_time(self): |
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| 67 | """ |
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| 68 | test_boundary_time(self): |
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| 69 | test that the starttime of a boundary condition is carried thru |
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| 70 | to the output sww file. |
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| 71 | |
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| 72 | """ |
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| 73 | boundary_starttime = 500 |
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| 74 | boundary_filename = self.create_sww_boundary(boundary_starttime) |
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| 75 | filename = tempfile.mktemp(".sww") |
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| 76 | #print "filename",filename |
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| 77 | dir, base = os.path.split(filename) |
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| 78 | senario_name = base[:-4] |
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| 79 | |
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| 80 | mesh = Mesh() |
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| 81 | ###mesh.add_region_from_polygon([[10,10], [90,10], [90,90], [10,90]]) |
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| 82 | mesh.add_region_from_polygon([[0,0], [100,0], [100,100], [0,100]]) |
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| 83 | mesh.generate_mesh(verbose=False) |
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| 84 | |
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| 85 | domain = pmesh_instance_to_domain_instance(mesh, Domain) |
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| 86 | domain.set_name(senario_name) |
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| 87 | domain.set_datadir(dir) |
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| 88 | |
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| 89 | # Setup initial conditions |
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| 90 | domain.set_quantity('elevation', 0.0) |
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| 91 | domain.set_quantity('stage', 0.0) |
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| 92 | Bf = File_boundary(boundary_filename, |
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| 93 | domain, use_cache=False, verbose=False) |
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| 94 | |
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| 95 | # Setup boundary conditions |
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| 96 | domain.set_boundary({'exterior': Bf}) |
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| 97 | for t in domain.evolve(yieldstep = 5, finaltime = 10.0): |
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| 98 | pass |
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| 99 | #domain.write_time() |
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| 100 | #print "domain.time", domain.time |
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| 101 | |
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| 102 | # do an assertion on the time of the produced sww file |
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| 103 | fid = NetCDFFile(filename, 'r') #Open existing file for read |
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| 104 | times = fid.variables['time'][:] |
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| 105 | #print "times", times |
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| 106 | #print "fid.starttime", fid.starttime |
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| 107 | assert allclose(fid.starttime, boundary_starttime) |
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| 108 | fid.close() |
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| 109 | |
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| 110 | # clean up |
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| 111 | os.remove(boundary_filename) |
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| 112 | os.remove(filename) |
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| 113 | |
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| 114 | def test_boundary_timeII(self): |
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| 115 | """ |
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| 116 | test_boundary_timeII(self): |
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| 117 | Test that starttime can be set in the middle of a boundary condition |
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| 118 | """ |
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| 119 | boundary_starttime = 500 |
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| 120 | boundary_filename = self.create_sww_boundary(boundary_starttime) |
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| 121 | #print "boundary_filename",boundary_filename |
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| 122 | |
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| 123 | filename = tempfile.mktemp(".sww") |
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| 124 | #print "filename",filename |
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| 125 | dir, base = os.path.split(filename) |
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| 126 | senario_name = base[:-4] |
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| 127 | |
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| 128 | mesh = Mesh() |
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| 129 | mesh.add_region_from_polygon([[10,10], [90,10], [90,90], [10,90]]) |
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| 130 | mesh.generate_mesh(verbose=False) |
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| 131 | |
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| 132 | domain = pmesh_instance_to_domain_instance(mesh, Domain) |
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| 133 | domain.set_name(senario_name) |
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| 134 | domain.set_datadir(dir) |
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| 135 | new_starttime = 510. |
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| 136 | domain.starttime = new_starttime |
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| 137 | |
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| 138 | # Setup initial conditions |
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| 139 | domain.set_quantity('elevation', 0.0) |
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| 140 | domain.set_quantity('stage', 0.0) |
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| 141 | Bf = File_boundary(boundary_filename, |
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| 142 | domain, use_cache=False, verbose=False) |
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| 143 | |
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| 144 | # Setup boundary conditions |
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| 145 | domain.set_boundary({'exterior': Bf}) |
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| 146 | for t in domain.evolve(yieldstep = 5, finaltime = 9.0): |
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| 147 | pass |
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| 148 | #domain.write_time() |
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| 149 | #print "domain.time", domain.time |
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| 150 | |
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| 151 | # do an assertion on the time of the produced sww file |
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| 152 | fid = NetCDFFile(filename, 'r') #Open existing file for read |
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| 153 | times = fid.variables['time'][:] |
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| 154 | stage = fid.variables['stage'][:] |
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| 155 | #print "times", times |
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| 156 | #print "fid.starttime", fid.starttime |
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| 157 | assert allclose(fid.starttime, new_starttime) |
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| 158 | fid.close() |
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| 159 | #print "stage[2,0]", stage[2,0] |
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| 160 | msg = "This test is a bit hand crafted, based on the output file. " |
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| 161 | msg += "Not logic. " |
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| 162 | msg += "It's testing that starttime is working" |
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| 163 | assert allclose(stage[2,0], 5.959411),msg |
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| 164 | |
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| 165 | |
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| 166 | |
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| 167 | # clean up |
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| 168 | os.remove(boundary_filename) |
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| 169 | os.remove(filename) |
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| 170 | |
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| 171 | #------------------------------------------------------------- |
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| 172 | if __name__ == "__main__": |
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| 173 | suite = unittest.makeSuite(Test_system,'test') |
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| 174 | #suite = unittest.makeSuite(Test_system,'test_boundary_timeII') |
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| 175 | runner = unittest.TextTestRunner() |
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| 176 | runner.run(suite) |
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