488a0e81a89b360d77c6cd3e7948b8e667e87775,imblearn/tests/test_pipeline.py,,test_pipeline_init,#,177

Before Change

    assert_raises(TypeError, Pipeline)
    // Check that we can"t instantiate pipelines with objects without fit
    // method
    assert_raises_regex(TypeError,
                        "Last step of Pipeline should implement fit. "
                        ".*NoFit.*",
                        Pipeline, [("clf", NoFit())])
    // Smoke test with only an estimator
    clf = NoTrans()
    pipe = Pipeline([("svc", clf)])
    expected = dict(svc__a=None, svc__b=None, svc=clf,

After Change

    // Check that params are not set when naming them wrong
    with raises(ValueError):
        pipe.set_params(anova__C=0.1)

    // Test clone
    pipe2 = clone(pipe)
    assert not pipe.named_steps["svc"] is pipe2.named_steps["svc"]

Instances