feat(ModflowAg): add the ModflowAg package for NWT (pull request #922)

Update UZF package options and blocks for NWT release 1.2.0. Add t071_test_nwt_ag.py autotest.

autotest/t071_test_nwt_ag.py

@@ -0,0 +1,82 @@
+import os
+import flopy
+import platform
+import shutil
+import numpy as np
+
+
+mpth = os.path.join('..', 'examples', 'data', 'ag_test')
+opth = os.path.join('temp', 't071')
+if not os.path.exists(opth):
+    os.makedirs(opth)
+
+
+def test_empty_ag_package():
+    ml = flopy.modflow.Modflow("agtest", version='mfnwt')
+    ag = flopy.modflow.ModflowAg(ml)
+
+    if not isinstance(ag, flopy.pakbase.Package):
+        raise Exception
+
+
+def test_load_write_agwater():
+    agfile = "Agwater1.ag"
+    ml = flopy.modflow.Modflow("Agwater1", version='mfnwt')
+    ag1 = flopy.modflow.ModflowAg.load(os.path.join(mpth, agfile),
+                                       ml, nper=49, ext_unit_dict={})
+
+    loaded = False
+    for pak in ml.packagelist:
+        if isinstance(pak, flopy.modflow.ModflowAg):
+            loaded = True
+            break
+
+    if not loaded:
+        raise AssertionError("ModflowAg package not loaded")
+
+    ml.change_model_ws(opth)
+    ag1.write_file()
+
+    ml2 = flopy.modflow.Modflow("Agwater1", version='mfnwt', model_ws=opth)
+    ag2 = flopy.modflow.ModflowAg.load(os.path.join(opth, agfile),
+                                       ml2, nper=49)
+
+    if repr(ag1) != repr(ag2):
+        raise AssertionError("Ag package comparison failed")
+
+def test_load_write_agwater_uzf():
+    uzffile = "Agwater1.uzf"
+    ml = flopy.modflow.Modflow("Agwater1", version='mfnwt')
+    dis = flopy.modflow.ModflowDis(ml, nlay=1, nrow=15, ncol=10, nper=49)
+    uzf1 = flopy.modflow.ModflowUzf1.load(os.path.join(mpth, uzffile), ml)
+
+    loaded = False
+    for pak in ml.packagelist:
+        if isinstance(pak, flopy.modflow.ModflowUzf1):
+            loaded = True
+            break
+
+    if not loaded:
+        raise AssertionError("ModflowUzf1 package not loaded")
+
+    ml.change_model_ws(opth)
+    uzf1.write_file()
+
+    ml2 = flopy.modflow.Modflow("Agwater1", version='mfnwt', model_ws=opth)
+    dis2 = flopy.modflow.ModflowDis(ml2, nlay=1, nrow=15, ncol=10, nper=49)
+    uzf2 = flopy.modflow.ModflowUzf1.load(os.path.join(opth, uzffile), ml2)
+
+    if not np.allclose(uzf1.air_entry.array, uzf2.air_entry.array):
+        raise AssertionError("Air entry pressure array comparison failed")
+
+    if not np.allclose(uzf1.hroot.array, uzf2.hroot.array):
+        raise AssertionError("root pressure array comparison failed")
+
+    if not np.allclose(uzf1.rootact.array, uzf2.rootact.array):
+        raise AssertionError("root activity array comparison failed")
+
+
+if __name__ == "__main__":
+    test_empty_ag_package()
+    test_load_write_agwater()
+    test_load_write_agwater_uzf()