forked from golang/tools
/
check.go
74 lines (70 loc) · 2.26 KB
/
check.go
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// 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 cmdtest
import (
"fmt"
"io/ioutil"
"strings"
"testing"
"golang.org/x/tools/internal/lsp/source"
"golang.org/x/tools/internal/span"
)
func (r *runner) Diagnostics(t *testing.T, uri span.URI, want []*source.Diagnostic) {
if len(want) == 1 && want[0].Message == "" {
return
}
if strings.Contains(uri.Filename(), "circular") {
t.Skip("skipping circular diagnostics tests due to golang/go#36265")
}
fname := uri.Filename()
out, _ := r.runGoplsCmd(t, "check", fname)
// parse got into a collection of reports
got := map[string]struct{}{}
for _, l := range strings.Split(out, "\n") {
if len(l) == 0 {
continue
}
// 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{})
data, err := ioutil.ReadFile(fname)
if err != nil {
t.Fatal(err)
}
converter := span.NewContentConverter(fname, data)
s, err := spn.WithPosition(converter)
if err != nil {
t.Fatal(err)
}
l = fmt.Sprintf("%s: %s", s, strings.TrimSpace(bits[1]))
}
got[r.NormalizePrefix(l)] = struct{}{}
}
for _, diag := range want {
expect := fmt.Sprintf("%v:%v:%v: %v", uri.Filename(), diag.Range.Start.Line+1, diag.Range.Start.Character+1, diag.Message)
if diag.Range.Start.Character == 0 {
expect = fmt.Sprintf("%v:%v: %v", uri.Filename(), diag.Range.Start.Line+1, diag.Message)
}
expect = r.NormalizePrefix(expect)
// Skip the badimport and import cycle not allowed test for now, until we do a better job with diagnostic ranges.
if strings.Contains(uri.Filename(), "badimport") || strings.Contains(expect, "import cycle") {
continue
}
_, found := got[expect]
if !found {
t.Errorf("missing diagnostic %q, %v", expect, got)
} else {
delete(got, expect)
}
}
for extra := range got {
// Skip the badimport and import cycle not allowed test for now, until we do a better job with diagnostic ranges.
if strings.Contains(extra, "badimport") || strings.Contains(extra, "import cycle") {
continue
}
t.Errorf("extra diagnostic %q", extra)
}
}