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go/internal/lsp/cmd/check_test.go
Ian Cottrell e2f00d1e07 internal/lsp: make pipe mode the default for command line tests
now there are no more race conditions in the jsonrpc or server code make
connected pipe (rather than direct API) the default in the tests to make
sure we stay clean.

Change-Id: Id1ffede795a660dbf7b265b9e0419c60cf83c6e8
Reviewed-on: https://go-review.googlesource.com/c/tools/+/170181
Run-TryBot: Ian Cottrell <iancottrell@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2019-04-01 16:30:59 +00:00

80 lines
2.1 KiB
Go

// Copyright 2019 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package cmd_test
import (
"context"
"fmt"
"strings"
"testing"
"golang.org/x/tools/go/packages/packagestest"
"golang.org/x/tools/internal/lsp/cmd"
"golang.org/x/tools/internal/lsp/source"
"golang.org/x/tools/internal/span"
"golang.org/x/tools/internal/tool"
)
type diagnostics map[string][]source.Diagnostic
func (l diagnostics) collect(spn span.Span, msgSource, msg string) {
fname, err := spn.URI().Filename()
if err != nil {
return
}
//TODO: diagnostics with range
spn = span.New(spn.URI(), spn.Start(), span.Point{})
l[fname] = append(l[fname], source.Diagnostic{
Span: spn,
Message: msg,
Source: msgSource,
Severity: source.SeverityError,
})
}
func (l diagnostics) test(t *testing.T, e *packagestest.Exported) {
count := 0
for fname, want := range l {
if len(want) == 1 && want[0].Message == "" {
continue
}
args := []string{"-remote=internal"}
args = append(args, "check", fname)
app := &cmd.Application{}
app.Config = *e.Config
out := captureStdOut(t, func() {
tool.Main(context.Background(), app, args)
})
// parse got into a collection of reports
got := map[string]struct{}{}
for _, l := range strings.Split(out, "\n") {
// parse and reprint to normalize the span
bits := strings.SplitN(l, ": ", 2)
if len(bits) == 2 {
spn := span.Parse(strings.TrimSpace(bits[0]))
spn = span.New(spn.URI(), spn.Start(), span.Point{})
l = fmt.Sprintf("%s: %s", spn, strings.TrimSpace(bits[1]))
}
got[l] = struct{}{}
}
for _, diag := range want {
expect := fmt.Sprintf("%v: %v", diag.Span, diag.Message)
_, found := got[expect]
if !found {
t.Errorf("missing diagnostic %q", expect)
} else {
delete(got, expect)
}
}
for extra, _ := range got {
t.Errorf("extra diagnostic %q", extra)
}
count += len(want)
}
if count != expectedDiagnosticsCount {
t.Errorf("got %v diagnostics expected %v", count, expectedDiagnosticsCount)
}
}