The Elasticsearch docs are in AsciiDoc format and can be built using the
Elasticsearch documentation build process.
See: https://github.com/elastic/docs
Snippets marked with `// CONSOLE` are automatically annotated with "VIEW IN
SENSE" in the documentation and are automatically tested by the command
`gradle :docs:check`. By default `// CONSOLE` snippet runs as its own isolated
test. You can manipulate the test execution in the following ways:
* `// TEST`: Explicitly marks a snippet as a test. Snippets marked this way
are tests even if they don't have `// CONSOLE`.
* `// TEST[s/foo/bar/]`: Replace `foo` with `bar` in the test. This should be
used sparingly because it makes the test "lie". Sometimes, though, you can use
it to make the tests more clear.
* `// TEST[catch:foo]`: Used to expect errors in the requests. Replace `foo`
with `request` to expect a 400 error, for example. If the snippet contains
multiple requests then only the last request will expect the error.
* `// TEST[continued]`: Continue the test started in the last snippet. Between
tests the nodes are cleaned: indexes are removed, etc. This will prevent that.
This is really useful when you have text and snippets that work together to
tell the story of some use case because it merges the snippets (and thus the
use case) into one big test.
* `// TEST[skip:reason]`: Skip this test. Replace `reason` with the actual
reason to skip the test. Snippets without `// TEST` or `// CONSOLE` aren't
considered tests anyway but this is useful for explicitly documenting the
reason why the test shouldn't be run.
* `// TEST[setup:name]`: Run some setup code before running the snippet. This
is useful for creating and populating indexes used in the snippet. The setup
code is defined in `docs/build.gradle`.
* `// TESTRESPONSE`: Matches this snippet against the body of the response of
the last test. If the response is JSON then order is ignored. With
`// TEST[continued]` you can make tests that contain multiple command snippets
and multiple response snippets.
* `// TESTRESPONSE[s/foo/bar/]`: Substitutions. See `// TEST[s/foo/bar]`.
* `// TESTSETUP`: Marks this snippet as the "setup" for all other snippets in
this file. This is a somewhat natural way of structuring documentation. You
say "this is the data we use to explain this feature" then you add the
snippet that you mark `// TESTSETUP` and then every snippet will turn into
a test that runs the setup snippet first. See the "painless" docs for a file
that puts this to good use. This is fairly similar to `// TEST[setup:name]`
but rather than the setup defined in `docs/build.gradle` the setup is defined
right in the documentation file.
Any place you can use json you can use elements like `$body.path.to.thing`
which is replaced on the fly with the contents of the thing at `path.to.thing`
in the last response.
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