A couple small improvements for regtests:
- module names fixed to include a '.'. This was fixed for diagnostic
tests already.
- For regtests that were written to exercise specifig github issues,
include the issue number in the test name.
Change-Id: I67da6d78dc166e854d2543cf63dac382202f9dbc
Reviewed-on: https://go-review.googlesource.com/c/tools/+/226844
Run-TryBot: Robert Findley <rfindley@google.com>
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Reviewed-by: Rebecca Stambler <rstambler@golang.org>
One of the tricky things about asserting on conditions in regtests is
the asynchronous nature of LSP. For example, as the LSP client we cannot
be sure when we've received all diagnostics for a given file.
Currently, regtests are implemented by awaiting specific diagnostic
expectations. This means that if gopls generates diagnostics that do
not match those expectations, we can only time out the test.
Ideally, we would want to know that gopls is done generating all diagnostics
for the current file state. This is not possible without knowing the
status of diagnostics for. Barring this, we would want to know that
diagnostics are done for the current file version. Unfortunately, that
also is not possible, because a new version of file B can affect
diagnostics in file A.
So in lieu of this information, this CL exposes a few tools that can be
used to improve the experience of writing new regtests.
- A new expectation is added: AnyDiagnosticAtCurrentVersion, that is
satisfied if any diagnostics have been received for the current
buffer version.
- ExpectDiagnostics is added to Env, to help check whether the current
diagnostics matches expectations.
Updates golang/go#38113
Change-Id: I48d2c3db87c13ac3ab424d01d9444cbc285af9e1
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This change adds a RunGoCommand function to the workspace, which will
allow us to test how gopls responds when a certain go command is
executed. Add a test that checks behavior after "go mod init" runs.
Change-Id: I679249c1654b136d44187397b4196b8a10b5615e
Reviewed-on: https://go-review.googlesource.com/c/tools/+/226478
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https://github.com/microsoft/vscode-go/issues/3076#issuecomment-605062933
inspired me to write a regression test for this case. Turns out we
weren't handling it correctly after all...
This change makes sure that we only rebuild the view once a new go.mod
file is saved, not just created. It also preserves the snapshot ID
number when the view is recreated so that diagnostic caching continues
to work as expected.
Change-Id: I63bd559c3bd33b91828171cd7ddb3d099c31cddb
Reviewed-on: https://go-review.googlesource.com/c/tools/+/226017
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Reviewed-by: Heschi Kreinick <heschi@google.com>
Reviewed-by: Robert Findley <rfindley@google.com>
If a package starts out as command-line-arguments, and then becomes
"valid" (i.e., gets a package declaration), we shouldn't continue to try
to diagnose "command-line-arguments". We should remove
"command-line-arguments" from workspace packages any time its metadata
is invalidated (assuming it may get added back if a file= query produces
it again).
Include the relevant regression test.
Fixesgolang/go#37978
Change-Id: I7fc51edeb58007b4b4a163336cbeb752a53da322
Reviewed-on: https://go-review.googlesource.com/c/tools/+/225317
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Reviewed-by: Heschi Kreinick <heschi@google.com>
Reviewed-by: Robert Findley <rfindley@google.com>
In an effort to be idiomatic, I made the regtest func signature
func(context.Context, testing.T, *Env), despite the fact that Env
already has a Context and a T.
This just ended up causing more confusion, as it's not clear which
Context or T to use. Remove this and just use the fields on Env.
Change-Id: I54da1fdfe6ce17a67601b2af8640d4d2ea676e8c
Reviewed-on: https://go-review.googlesource.com/c/tools/+/225157
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Reviewed-by: Rebecca Stambler <rstambler@golang.org>
Reviewed-by: Heschi Kreinick <heschi@google.com>
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Expressing regtests in terms of textual coordinates is hard to read: the
reader ends up counting lines and characters to understand the text edit
or assertion.
To address, this, add two new functions for fake.Editor: RegexpSearch
and RegexpReplace, as well as a symmetric RegexpSearch function for
workspace files and wrappers for regtext.Env.
This allows expressing edits as well as buffer locations in terms of
easily scannable regexps.
An alternative solution to this problem is to integrate markers ala
packagestest. I tried this, but it ended up being cumbersome to
implement and less usable than regexps, due to the static nature of
markers: after the buffer has been edited all markers must be
updated.
Updates golang/go#36879
Change-Id: Iad087cf0d529737034197beef7b729816a159c69
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Reviewed-by: Heschi Kreinick <heschi@google.com>
This change adds a test for diagnostics not disappearing when you create the first .go file for a project and add an import, then save.
Updates golang/go#37195
Change-Id: I871e77d9ab129f13be58931fe009e4297c7f2b38
Reviewed-on: https://go-review.googlesource.com/c/tools/+/221222
Run-TryBot: Rohan Challa <rohan@golang.org>
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Reviewed-by: Robert Findley <rfindley@google.com>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
Originally I decided to use t.Parallel() in hopes of uncovering new
bugs. That may have worked... but manifested as rare flakes that are
difficult to diagnose (golang.org/issues/37318).
Since this level of parallelism is extremely unlikely in normal gopls
workloads, I'm going to remove the t.Parallel() calls in hopes of
eliminating this flakiness. I'd rather be able to continue running these
tests.
Also, don't run in the 'Shared' execution mode by default: normal gopls
execution is either as a sidecar (the Singleton execution mode), or as a
daemon (the Forwarded execution mode).
Un-skip the TestGoToStdlibDefinition test, as hopefully it will no
longer flake.
Updates golang/go#37318.
Change-Id: Id73ee3c8702ab4ab1d039baa038fbce879e38df8
Reviewed-on: https://go-review.googlesource.com/c/tools/+/221379
Run-TryBot: Robert Findley <rfindley@google.com>
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Reviewed-by: Heschi Kreinick <heschi@google.com>
Fix various things related to regtest execution:
+ Check the error from OpenFile in fake.Editor.GoToDefinition.
+ Add an error-checked wrapper to env for CloseBuffer.
+ Use env wrappers in TestDiagnosticClearingOnClose.
+ Use os.Executable to get the test binary path.
+ Add a -listen.timeout to the remote gopls process, so that it is
cleaned up.
Updates golang/go#36879
Change-Id: I056ff50bdb611a78ad78e4f5e2a94a4f155cc9de
Reviewed-on: https://go-review.googlesource.com/c/tools/+/220902
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Reviewed-by: Rebecca Stambler <rstambler@golang.org>
Diagnostics should be cleared for files which are (1) deleted on disk
and not open in the editor, and (2) closed and only open in the editor.
Enable the corresponding regression test, and fix a few issues raised by
staticcheck.
Fixesgolang/go#37049
Change-Id: Iff736a7f6c3eaacda4237c2e4cf7926e9949dece
Reviewed-on: https://go-review.googlesource.com/c/tools/+/220079
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Reviewed-by: Heschi Kreinick <heschi@google.com>
Add a forwarder handler that alters messages before forwarding, for now,
it just intercepts the "exit" message.
Also, make it easier to write regression tests for a shared gopls
instance, by adding a helper that instantiates two connected
environments, and only runs in the shared execution modes.
Updates golang/go#36879
Updates golang/go#34111
Change-Id: I7673f72ab71b5c7fd6ad65d274c15132a942e06a
Reviewed-on: https://go-review.googlesource.com/c/tools/+/218778
Run-TryBot: Robert Findley <rfindley@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Heschi Kreinick <heschi@google.com>
Add a new Forwarder type to the lsprpc package, which implements the
jsonrpc2.StreamServer interface. This will be used to establish some
parity in the implementation of shared and singleton gopls servers.
Much more testing is needed, as is handling for the many edge cases
around forwarding the LSP, but since this is functionally equivalent to
TCP forwarding (and the -remote flag was already broken), I went ahead
and used the Forwarder to replace the forward method in the serve
command. This means that we can now use the combination of -listen and
-remote to chain together gopls servers... not that there's any reason
to do this.
Also, wrap the new regression tests with a focus on expressiveness when
testing the happy path, as well as parameterizing them so that they can
be run against different client/server execution environments. This
started to be sizable enough to warrant moving them to a separate
regtest package. The lsprpc package tests will instead focus on unit
testing the client-server binding logic.
Updates golang/go#36879
Updates golang/go#34111
Change-Id: Ib98131a58aabc69299845d2ecefceccfc1199574
Reviewed-on: https://go-review.googlesource.com/c/tools/+/218698
Run-TryBot: Robert Findley <rfindley@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Heschi Kreinick <heschi@google.com>
