If dredd was failed by unexpected body, we can show some message, actual response and expected response on cli. But, diff is not shown on cli then.
currently there is no diff, Dredd displays expected response and the real response and leaves it up to the user to do the diff in their head
https://github.com/apiaryio/dredd/issues/765
If you want to show diff, there is a need to insert diff into transaction.fail
like this(using node).
var hooks = require('hooks');
var diff = require('diff'); // need diff package
hooks.beforeEachValidation(function (transaction) {
var real = transaction.real.body;
var expected = transaction.expected.body;
if (real !== expected) {
transaction.fail = diff.createPatch(
transaction.id + " failed diff",
JSON.stringify(JSON.parse(real), undefined, 4),
JSON.stringify(JSON.parse(expected), undefined, 4),
"real",
"expected"
);
}
});
cf: Failing Tests Programmatically
If there is a better way, please tell me how to do itπ
Thank you.
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