This conversion is done by Transpec 2.2.1 with the following command:
transpec spec/functions
* 345 conversions
from: obj.should
to: expect(obj).to
* 122 conversions
from: == expected
to: eq(expected)
* 85 conversions
from: lambda { }.should
to: expect { }.to
* 22 conversions
from: be_true
to: be_truthy
* 16 conversions
from: be_false
to: be_falsey
* 11 conversions
from: pending
to: skip
* 9 conversions
from: it { should ... }
to: it { is_expected.to ... }
* 5 conversions
from: =~ [1, 2]
to: match_array([1, 2])
* 2 conversions
from: =~ /pattern/
to: match(/pattern/)
* 2 conversions
from: obj.should_not
to: expect(obj).not_to
For more details: https://github.com/yujinakayama/transpec#supported-conversions
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