OUnit2 Quickstart with dune

Setup

1. install opam2
2. install odoc and ounit2

sh setup-opam

Build and run Test

method1: console output

dune runtest

Example output

> dune runtest test
dune runtest test
   test_list alias test/runtest
..
Ran: 2 tests in: 0.11 seconds.
OK

method2: HTML output

1. set OUNIT_OUTPUT_HTML_DIR and run test

mkdir -p result
OUNIT_OUTPUT_HTML_DIR=result dune runtest

2. HTML report will be saved as a file ./_build/default/test/result/index.html

Example Test Detail

2 kinds of tests

• Test in a directory test
• Inline test:
  • ppx_inline_test src
  • TODO qtest
  • TODO ppx_expect

TODO

• measure code coverage with bisect_ppx
• junit test report? (xml format)

References

• OUnit - xUnit testing framework for OCaml
• src/test_list.ml is copied from https://github.com/gildor478/ounit/blob/master/examples/test_list.ml
• Writing and running tests — dune documentation

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Takashi Masuyama < mamewotoko@gmail.com >
https://mamewo.ddo.jp/