def testDynamicColumnAttributes(self):
t = Table(["a", "b", "c"], [str, int, int], ["%s", "%d", "%d"], [])
t.a
t.b
t.c
assert len(t.a.values) == 0
assert len(t.b.values) == 0
assert len(t.c.values) == 0
t.renameColumns(dict(a="aa"))
assert "a" not in t.getColNames()
assert "aa" in t.getColNames()
t.aa
try:
t.a
raise Exception("t.a should be deteted")
except:
pass
col = pickle.loads(pickle.dumps(t.aa))
assert len(col.values) == 0
t.dropColumns("aa")
assert "aa" not in t.getColNames()
try:
t.aa
raise Exception("t.aa should be deteted")
except:
pass
def testDynamicColumnAttributes(self):
t = Table(["a", "b", "c"], [str, int, int], ["%s", "%d", "%d"],[])
t.a
t.b
t.c
assert len(t.a.values) == 0
assert len(t.b.values) == 0
assert len(t.c.values) == 0
t.renameColumns(dict(a="aa"))
assert "a" not in t.getColNames()
assert "aa" in t.getColNames()
t.aa
try:
t.a
raise Exception("t.a should be deteted")
except:
pass
col = pickle.loads(pickle.dumps(t.aa))
assert len(col.values) == 0
t.dropColumns("aa")
assert "aa" not in t.getColNames()
try:
t.aa
raise Exception("t.aa should be deteted")
except:
pass
def testIfThenElse(self):
t = Table(["a", "b", "c"], [str, int, int], ["%s", "%d", "%d"], [])
t.rows.append(["0", 1, 2])
t.rows.append([None, 2, 1])
t._print()
t.addColumn("x", (t.a.isNotNone()).thenElse(t.b, t.c))
assert t.getColNames() == ["a", "b", "c", "x"]
print
t._print()
t.addColumn("y", (t.a.isNotNone()).thenElse("ok", "not ok"))
t._print()
assert t.y.values == ("ok", "not ok")
def testIfThenElse(self):
t = Table(["a", "b", "c"], [str, int, int], ["%s", "%d", "%d"],[])
t.rows.append(["0", 1, 2])
t.rows.append([None, 2, 1])
t._print()
t.addColumn("x", (t.a.isNotNone()).thenElse(t.b, t.c))
assert t.getColNames()==["a", "b", "c", "x"]
print
t._print()
t.addColumn("y", (t.a.isNotNone()).thenElse("ok", "not ok"))
t._print()
assert t.y.values == ("ok", "not ok")
