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I wonder if there are any alternatives to JSONAssert library which allow asserting a JSON file in a similar way. The Alternative which has a similar feature to JSONCompareMode like STRICT and NON_EXTENSIBLE etc. The last commit in JSONAssert seems to be quite old -> https://github.com/skyscreamer/JSONassert/commits/master and it looks that the project is not developed anymore.

vmaaik
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2 Answers2

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There is active JsonUnit with long history and with quite comprehensive features: https://github.com/lukas-krecan/JsonUnit

sasynkamil
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ModelAssert has the ability to compare JSON and YAML from String literals, files and JsonNode objects. It's based on Jackson:

https://github.com/webcompere/model-assert

assertJson(Paths.get("src", "test", "resources", "simple.json"))
  .isEqualTo(Paths.get("src", "test", "resources", "simple-copy.json"));

From https://github.com/webcompere/model-assert/blob/main/src/test/java/uk/org/webcompere/modelassert/json/ExamplesTest.java#L228

Full disclosure - I'm the author of ModelAssert

Ashley Frieze
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  • Looks good - exactly what I’ve been looking for. Left you a GitHub issue re SLF4J – mactwixs Jun 23 '21 at 17:25
  • https://github.com/webcompere/model-assert/issues/38 - is the issue in question. Looks like something else has dependencies on Jackson and hasn't brought in the exact dependencies it needs. – Ashley Frieze Jun 24 '21 at 16:23