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| author | Than McIntosh <thanm@google.com> | 2022-11-30 12:04:59 -0500 |
|---|---|---|
| committer | Than McIntosh <thanm@google.com> | 2022-12-07 16:26:42 +0000 |
| commit | f715d28cea22de3a5752bdf019c1a00d4dcadf63 (patch) | |
| tree | af9c4d48b38d17773b24d62be069e6b51ecdd3ad /doc | |
| parent | 7ed50cfd09ba3d51c673fc782c6ad2b715a46bc2 (diff) | |
| download | go-git-f715d28cea22de3a5752bdf019c1a00d4dcadf63.tar.gz | |
doc/go1.20: add section on coverage
Add some basic material on the changes to code coverage testing
to the release notes.
For #54202.
Change-Id: I28200d43b4952ce8e8ecf46c8fe8e97c81d245e5
Reviewed-on: https://go-review.googlesource.com/c/go/+/453857
TryBot-Result: Gopher Robot <gobot@golang.org>
Run-TryBot: Than McIntosh <thanm@google.com>
Reviewed-by: Eli Bendersky <eliben@google.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/go1.20.html | 29 |
1 files changed, 28 insertions, 1 deletions
diff --git a/doc/go1.20.html b/doc/go1.20.html index f53680e3ba..d14034c2f5 100644 --- a/doc/go1.20.html +++ b/doc/go1.20.html @@ -175,6 +175,14 @@ Do not send CLs removing the interior tags from such phrases. Specifying <code>-pgo=off</code> turns off profile-guided optimization. </p> +<p><!-- https://go.dev/issue/51430 --> + The <code>go</code> <code>build</code>, <code>go</code> <code>install</code>, + and other build-related commands now support a <code>-cover</code> + flag that builds the specified target with code coverage instrumentation. + This is described in more detail in the + <a href="#cover">Cover</a> section below. +</p> + <h4 id="go-version"><code>go</code> <code>version</code></h4> <p><!-- https://go.dev/issue/48187 --> @@ -228,7 +236,19 @@ Do not send CLs removing the interior tags from such phrases. <h3 id="cover">Cover</h3> <p><!-- CL 436236, CL 401236, CL 438503 --> - TODO coverage + Go 1.20 supports collecting code coverage profiles for programs + (applications and integration tests), as opposed to just unit tests. +</p> + +<p> + To collect coverage data for a program, build it with <code>go</code> + <code>build</code>'s <code>-cover</code> flag, then run the resulting + binary with the environment variable <code>GOCOVERDIR</code> set + to an output directory for coverage profiles. + See the + <a href="https://go.dev/testing/coverage">'coverage for integration tests' landing page</a> for more on how to get started. + For details on the design and implementation, see the + <a href="https://golang.org/issue/51430">proposal</a>. </p> <h3 id="vet">Vet</h3> @@ -285,6 +305,13 @@ Do not send CLs removing the interior tags from such phrases. assists in some circumstances. </p> +<p><!-- https://go.dev/issue/51430 --> + Go 1.20 adds a new <code>runtime/coverage</code> package + containing APIs for writing coverage profile data at + runtime from a long-running and/or server programs that + do not terminate via <code>os.Exit()</code>. +</p> + <h2 id="compiler">Compiler</h2> <p><!-- https://go.dev/issue/55022 --> |