assertItemsEqual (but may need coercion to sets)

xarray/tests/test_dataarray.py

@@ -2836,7 +2836,7 @@ def test_to_and_from_cdms2(self):
         actual = original.to_cdms2()
         self.assertArrayEqual(actual, original)
         assert actual.id == original.name
-        self.assertItemsEqual(actual.getAxisIds(), original.dims)
+        assert actual.getAxisIds() == original.dims
         for axis, coord in zip(actual.getAxisList(), expected_coords):
             assert axis.id == coord.name
             self.assertArrayEqual(axis, coord.values)
@@ -2878,8 +2878,8 @@ def test_to_and_from_iris(self):
         actual = original.to_iris()
         self.assertArrayEqual(actual.data, original.data)
         assert actual.var_name == original.name
-        self.assertItemsEqual([d.var_name for d in actual.dim_coords],
-                              original.dims)
+        assert [d.var_name for d in actual.dim_coords] == \
+                              original.dims
         assert actual.cell_methods == \
                          (iris.coords.CellMethod(method='mean',
                                                  coords=('height',),
@@ -2949,8 +2949,8 @@ def test_to_and_from_iris_dask(self):
             hasattr(actual, 'core_data') else actual.data
         self.assertArrayEqual(actual_data, original.data)
         assert actual.var_name == original.name
-        self.assertItemsEqual([d.var_name for d in actual.dim_coords],
-                              original.dims)
+        assert [d.var_name for d in actual.dim_coords] == \
+                              original.dims
         assert actual.cell_methods == \
                          (iris.coords.CellMethod(method='mean',
                                                  coords=('height',),

xarray/tests/test_dataset.py

@@ -390,7 +390,7 @@ def test_constructor_with_coords(self):
 
         ds = Dataset({}, {'a': ('x', [1])})
         assert not ds.data_vars
-        self.assertItemsEqual(ds.coords.keys(), ['a'])
+        assert ds.coords.keys() == ['a']
 
         mindex = pd.MultiIndex.from_product([['a', 'b'], [1, 2]],
                                             names=('level_1', 'level_2'))
@@ -412,28 +412,28 @@ def test_properties(self):
         assert type(ds.dims.mapping.mapping) is dict
 
         with pytest.warns(FutureWarning):
-            self.assertItemsEqual(ds, list(ds.variables))
+            assert ds == list(ds.variables)
         with pytest.warns(FutureWarning):
-            self.assertItemsEqual(ds.keys(), list(ds.variables))
+            assert ds.keys() == list(ds.variables)
         assert 'aasldfjalskdfj' not in ds.variables
         assert 'dim1' in repr(ds.variables)
         with pytest.warns(FutureWarning):
             assert len(ds) == 7
         with pytest.warns(FutureWarning):
             assert bool(ds) == True
 
-        self.assertItemsEqual(ds.data_vars, ['var1', 'var2', 'var3'])
-        self.assertItemsEqual(ds.data_vars.keys(), ['var1', 'var2', 'var3'])
+        assert ds.data_vars == ['var1', 'var2', 'var3']
+        assert ds.data_vars.keys() == ['var1', 'var2', 'var3']
         assert 'var1' in ds.data_vars
         assert 'dim1' not in ds.data_vars
         assert 'numbers' not in ds.data_vars
         assert len(ds.data_vars) == 3
 
-        self.assertItemsEqual(ds.indexes, ['dim2', 'dim3', 'time'])
+        assert ds.indexes == ['dim2', 'dim3', 'time']
         assert len(ds.indexes) == 3
         assert 'dim2' in repr(ds.indexes)
 
-        self.assertItemsEqual(ds.coords, ['time', 'dim2', 'dim3', 'numbers'])
+        assert ds.coords == ['time', 'dim2', 'dim3', 'numbers']
         assert 'dim2' in ds.coords
         assert 'numbers' in ds.coords
         assert 'var1' not in ds.coords
@@ -521,7 +521,7 @@ def test_coords_properties(self):
 
         assert 4 == len(data.coords)
 
-        self.assertItemsEqual(['x', 'y', 'a', 'b'], list(data.coords))
+        assert ['x', 'y', 'a', 'b'] == list(data.coords)
 
         assert_identical(data.coords['x'].variable, data['x'].variable)
         assert_identical(data.coords['y'].variable, data['y'].variable)
@@ -817,7 +817,7 @@ def test_isel(self):
         ret = data.isel(**slicers)
 
         # Verify that only the specified dimension was altered
-        self.assertItemsEqual(data.dims, ret.dims)
+        assert data.dims == ret.dims
         for d in data.dims:
             if d in slicers:
                 assert ret.dims[d] == \
@@ -843,21 +843,21 @@ def test_isel(self):
 
         ret = data.isel(dim1=0)
         assert {'time': 20, 'dim2': 9, 'dim3': 10} == ret.dims
-        self.assertItemsEqual(data.data_vars, ret.data_vars)
-        self.assertItemsEqual(data.coords, ret.coords)
-        self.assertItemsEqual(data.indexes, ret.indexes)
+        assert data.data_vars == ret.data_vars
+        assert data.coords == ret.coords
+        assert data.indexes == ret.indexes
 
         ret = data.isel(time=slice(2), dim1=0, dim2=slice(5))
         assert {'time': 2, 'dim2': 5, 'dim3': 10} == ret.dims
-        self.assertItemsEqual(data.data_vars, ret.data_vars)
-        self.assertItemsEqual(data.coords, ret.coords)
-        self.assertItemsEqual(data.indexes, ret.indexes)
+        assert data.data_vars == ret.data_vars
+        assert data.coords == ret.coords
+        assert data.indexes == ret.indexes
 
         ret = data.isel(time=0, dim1=0, dim2=slice(5))
-        self.assertItemsEqual({'dim2': 5, 'dim3': 10}, ret.dims)
-        self.assertItemsEqual(data.data_vars, ret.data_vars)
-        self.assertItemsEqual(data.coords, ret.coords)
-        self.assertItemsEqual(data.indexes, list(ret.indexes) + ['time'])
+        assert {'dim2': 5, 'dim3': 10} == ret.dims
+        assert data.data_vars == ret.data_vars
+        assert data.coords == ret.coords
+        assert data.indexes == list(ret.indexes) + ['time']
 
     def test_isel_fancy(self):
         # isel with fancy indexing.
@@ -2396,12 +2396,12 @@ def test_setitem_multiindex_level(self):
     def test_delitem(self):
         data = create_test_data()
         all_items = set(data.variables)
-        self.assertItemsEqual(data.variables, all_items)
+        assert data.variables == all_items
         del data['var1']
-        self.assertItemsEqual(data.variables, all_items - set(['var1']))
+        assert data.variables == all_items - set(['var1'])
         del data['numbers']
-        self.assertItemsEqual(data.variables,
-                              all_items - set(['var1', 'numbers']))
+        assert data.variables == \
+                              all_items - set(['var1', 'numbers'])
         assert 'numbers' not in data.coords
 
     def test_squeeze(self):
@@ -3247,7 +3247,7 @@ def test_reduce(self):
                                  ((), ['dim1', 'dim2', 'dim3', 'time'])]:
             actual = data.min(dim=reduct).dims
             print(reduct, actual, expected)
-            self.assertItemsEqual(actual, expected)
+            assert actual == expected
 
         self.assert_equal(data.mean(dim=[]), data)
 
@@ -3282,7 +3282,7 @@ def test_reduce_cumsum_test_dims(self):
                                      ('time', ['dim1', 'dim2', 'dim3'])]:
                 actual = getattr(data, cumfunc)(dim=reduct).dims
                 print(reduct, actual, expected)
-                self.assertItemsEqual(actual, expected)
+                assert actual == expected
 
     def test_reduce_non_numeric(self):
         data1 = create_test_data(seed=44)
@@ -3416,14 +3416,14 @@ def test_rank(self):
         ds = create_test_data(seed=1234)
         # only ds.var3 depends on dim3
         z = ds.rank('dim3')
-        self.assertItemsEqual(['var3'], list(z.data_vars))
+        assert ['var3'] == list(z.data_vars)
         # same as dataarray version
         x = z.var3
         y = ds.var3.rank('dim3')
         self.assert_equal(x, y)
         # coordinates stick
-        self.assertItemsEqual(list(z.coords), list(ds.coords))
-        self.assertItemsEqual(list(x.coords), list(y.coords))
+        assert list(z.coords) == list(ds.coords)
+        assert list(x.coords) == list(y.coords)
         # invalid dim
         with raises_regex(ValueError, 'does not contain'):
             x.rank('invalid_dim')

xarray/tests/test_formatting.py

@@ -35,7 +35,7 @@ def test_first_n_items(self):
         for n in [3, 10, 13, 100, 200]:
             actual = formatting.first_n_items(array, n)
             expected = array.flat[:n]
-            self.assertItemsEqual(expected, actual)
+            assert expected == actual
 
         with raises_regex(ValueError, 'at least one item'):
             formatting.first_n_items(array, 0)

xarray/tests/test_utils.py

@@ -126,7 +126,7 @@ def test_frozen(self):
     def test_sorted_keys_dict(self):
         x = {'a': 1, 'b': 2, 'c': 3}
         y = utils.SortedKeysDict(x)
-        self.assertItemsEqual(y, ['a', 'b', 'c'])
+        assert y == ['a', 'b', 'c']
         assert repr(utils.SortedKeysDict()) == \
                          "SortedKeysDict({})"
 
@@ -141,7 +141,7 @@ def test_chain_map(self):
         m['x'] = 100
         assert m['x'] == 100
         assert m.maps[0]['x'] == 100
-        self.assertItemsEqual(['x', 'y', 'z'], m)
+        assert ['x', 'y', 'z'] == m
 
 
 def test_repr_object():