test(opr): add scalar check for opr_test

GitOrigin-RevId: dcfd7ad5d6b8a85027df796051a0521c7be48575

imperative/python/test/helpers/utils.py

@@ -11,12 +11,12 @@ from megengine.utils.network_node import VarNode
 
 
 def _default_compare_fn(x, y):
-    if isinstance(x, np.ndarray):
-        np.testing.assert_allclose(x, y, rtol=1e-6)
-    elif isinstance(x, tensor):
-        np.testing.assert_allclose(x.numpy(), y, rtol=1e-6)
-    else:
-        np.testing.assert_allclose(get_var_value(x), y, rtol=1e-6)
+    if isinstance(x, tensor):
+        x = x.numpy()
+    elif not isinstance(x, np.ndarray):
+        x = get_var_value(x)
+    assert isinstance(x, np.ndarray)
+    np.testing.assert_allclose(x, y, rtol=1e-6)
 
 
 def make_tensor(x, network=None, device=None):
@@ -69,12 +69,16 @@ def opr_test(
 
     """
 
-    def check_results(results, expected):
+    def check_results(results, expected, check_shape=True):
         if not isinstance(results, (tuple, list)):
             results = (results,)
         for r, e in zip(results, expected):
             if not isinstance(r, (tensor, VarNode)):
                 r = tensor(r)
+            if check_shape:
+                r_shape = r.numpy().shape
+                e_shape = e.shape if isinstance(e, np.ndarray) else ()
+                assert r_shape == e_shape
             compare_fn(r, e)
 
     def get_param(cases, idx):
@@ -127,10 +131,10 @@ def opr_test(
 
             # assume #outputs == 1
             loaded_results = list(infer_cg.run(inp_dict=inp_dict).values())[0]
-            check_results(loaded_results, outp)
+            check_results(loaded_results, outp, check_shape=False)  # scalar info lost
 
         results = func(*inp_tensor, **kwargs)
-        check_results(results, outp)
+        check_results(results, outp, check_shape=(network is None))
 
     if len(cases) == 0:
         raise ValueError("should give one case at least")

imperative/python/test/unit/functional/test_functional.py

@@ -39,12 +39,6 @@ def test_where():
     xv1 = np.array([[1, np.inf, 2], [0, np.nan, 4], [1, 5, 7]], dtype=np.float32)
     yv1 = np.array([[5, 6, 9], [2, 7, 8], [2, 1, 9]], dtype=np.float32)
 
-    cases = [
-        {"input": [maskv0, xv0, yv0]},
-        {"input": [maskv1, xv1, yv1]},
-    ]
-    opr_test(cases, F.where, ref_fn=np.where, test_trace=False)
-
     maskv2 = np.array([1, 1, 1], dtype=np.bool_)
     xv2 = np.array([1, 3, 2], dtype=np.float32)
     yv2 = np.array([5, 6, 9], dtype=np.float32)
@@ -53,11 +47,18 @@ def test_where():
     xv3 = np.array([1, 3, 2], dtype=np.float32)
     yv3 = np.array([5, 6, 9], dtype=np.float32)
 
+    maskv4 = np.array(1, dtype=np.bool_)
+    xv4 = np.array(1, dtype=np.float32)
+    yv4 = np.array(0, dtype=np.float32)
+
     cases = [
+        {"input": [maskv0, xv0, yv0]},
+        {"input": [maskv1, xv1, yv1]},
         {"input": [maskv2, xv2, yv2]},
         {"input": [maskv3, xv3, yv3]},
+        {"input": [maskv4, xv4, yv4]},
     ]
-    opr_test(cases, F.where, ref_fn=np.where, test_trace=False)
+    opr_test(cases, F.where, ref_fn=np.where, test_trace=True)
 
 
 def test_dropout():
@@ -618,12 +619,12 @@ def test_binary_cross_entropy():
     np.random.seed(123)
     data1 = np.random.uniform(size=data1_shape).astype(np.float32)
     label1 = np.random.uniform(size=label1_shape).astype(np.float32)
-    expect1 = np.array([0.6361], dtype=np.float32)
+    expect1 = np.array(0.6361, dtype=np.float32)
 
     np.random.seed(123)
     data2 = np.random.uniform(size=data2_shape).astype(np.float32)
     label2 = np.random.uniform(size=label2_shape).astype(np.float32)
-    expect2 = np.array([0.6750], dtype=np.float32)
+    expect2 = np.array(0.6750, dtype=np.float32)
 
     cases = [
         {"input": [data1, label1], "output": expect1,},

imperative/python/test/unit/functional/test_tensor.py

@@ -335,18 +335,18 @@ def test_reshape_shape_inference(is_varnode):
         source = output.shape
         if isinstance(source, tensor):
             source = source.numpy()
-        np.testing.assert_equal(source, target)
+        np.testing.assert_equal(source, target.shape)
 
     def func(x, target_shape):
         return x.reshape(target_shape)
 
     cases = [
-        {"input": [x_shape_known, tshp_unknown], "output": [(2, 2),]},
-        {"input": [x_shape_unknown, tshp_unknown], "output": [(2, 2),]},
-        {"input": [x_shape_known, tshp_known], "output": [(2, 2),]},
-        {"input": [x_shape_known, tshp_known_unspec], "output": [(2, 2),]},
-        {"input": [x_shape_unknown, tshp_known], "output": [(2, 2),]},
-        {"input": [x_shape_unknown, tshp_known_unspec], "output": [(2, 2),]},
+        {"input": [x_shape_known, tshp_unknown], "output": [np.zeros((2, 2)),]},
+        {"input": [x_shape_unknown, tshp_unknown], "output": [np.zeros((2, 2)),]},
+        {"input": [x_shape_known, tshp_known], "output": [np.zeros((2, 2)),]},
+        {"input": [x_shape_known, tshp_known_unspec], "output": [np.zeros((2, 2)),]},
+        {"input": [x_shape_unknown, tshp_known], "output": [np.zeros((2, 2)),]},
+        {"input": [x_shape_unknown, tshp_known_unspec], "output": [np.zeros((2, 2)),]},
     ]
     opr_test(cases, func, compare_fn=check_shape, test_trace=True, network=network)
     if is_varnode:
@@ -533,46 +533,30 @@ def test_flatten(is_varnode):
     data0 = np.random.random(data0_shape).astype(np.float32)
     data1 = np.random.random(data1_shape).astype(np.float32)
 
-    def compare_fn(x, y):
-        assert x._tuple_shape[0] == y
-
-    output0 = (2 * 3 * 4 * 5,)
-    output1 = (4 * 5 * 6 * 7,)
     cases = [
-        {"input": data0, "output": output0},
-        {"input": data1, "output": output1},
+        {"input": data0, "output": data0.flatten()},
+        {"input": data1, "output": data1.flatten()},
     ]
-    opr_test(cases, F.flatten, compare_fn=compare_fn, network=network)
+    opr_test(cases, F.flatten, network=network)
 
-    output0 = (2, 3 * 4 * 5)
-    output1 = (4, 5 * 6 * 7)
     cases = [
-        {"input": data0, "output": output0},
-        {"input": data1, "output": output1},
+        {"input": data0, "output": data0.reshape(2, -1)},
+        {"input": data1, "output": data1.reshape(4, -1)},
     ]
-    opr_test(cases, F.flatten, compare_fn=compare_fn, start_axis=1, network=network)
+    opr_test(cases, F.flatten, start_axis=1, network=network)
 
-    output0 = (2, 3, 4 * 5)
-    output1 = (4, 5, 6 * 7)
     cases = [
-        {"input": data0, "output": output0},
-        {"input": data1, "output": output1},
+        {"input": data0, "output": data0.reshape(2, 3, -1)},
+        {"input": data1, "output": data1.reshape(4, 5, -1)},
     ]
-    opr_test(cases, F.flatten, compare_fn=compare_fn, start_axis=2, network=network)
+    opr_test(cases, F.flatten, start_axis=2, network=network)
 
-    output0 = (2, 3 * 4, 5)
-    output1 = (4, 5 * 6, 7)
     cases = [
-        {"input": data0, "output": output0},
-        {"input": data1, "output": output1},
+        {"input": data0, "output": data0.reshape(2, -1, 5)},
+        {"input": data1, "output": data1.reshape(4, -1, 7)},
     ]
     opr_test(
-        cases,
-        F.flatten,
-        compare_fn=compare_fn,
-        start_axis=1,
-        end_axis=2,
-        network=network,
+        cases, F.flatten, start_axis=1, end_axis=2, network=network,
     )
 
 
@@ -595,15 +579,22 @@ def test_broadcast(is_varnode):
     output3_shape = (10, 10)
     data3 = np.random.random(input3_shape).astype(np.float32)
 
-    def compare_fn(x, y):
-        assert x._tuple_shape[0] == y
-
     cases = [
-        {"input": [data1, output1_shape], "output": output1_shape},
-        {"input": [data2, output2_shape], "output": output2_shape},
-        {"input": [data3, output3_shape], "output": output3_shape},
+        {
+            "input": [data1, output1_shape],
+            "output": np.broadcast_to(data1, output1_shape),
+        },
+        {
+            "input": [data2, output2_shape],
+            "output": np.broadcast_to(data2, output2_shape),
+        },
+        {
+            "input": [data3, output3_shape],
+            "output": np.broadcast_to(data3, output3_shape),
+        },
     ]
-    opr_test(cases, F.broadcast_to, compare_fn=compare_fn, network=network)
+
+    opr_test(cases, F.broadcast_to, network=network)
 
     x = F.ones((2, 1, 3))
     with pytest.raises(RuntimeError):