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go/internal/lsp/source/diagnostics_test.go
Evan Digby d88f79806b internal/lsp: fix swallowed package errors
If a package has an error that makes it completely unparseable, such as containing a .go file with no "package" statement, the error was previously unreported. Such errors would manifest as other errors.

Fixes golang/go#31712

Change-Id: I11b8d0e2e4d64b03fbcb4c35e7f0b02fccc83fad
GitHub-Last-Rev: 1581cbe36c269dd964f0b9226dbd63b1650c2a5b
GitHub-Pull-Request: golang/tools#102
Reviewed-on: https://go-review.googlesource.com/c/tools/+/177605
Run-TryBot: Ian Cottrell <iancottrell@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2019-05-17 18:33:31 +00:00

56 lines
1.3 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 source
import (
"strings"
"testing"
)
func TestParseErrorMessage(t *testing.T) {
tests := []struct {
name string
in string
expectedFileName string
expectedLine int
expectedColumn int
}{
{
name: "from go list output",
in: "\nattributes.go:13:1: expected 'package', found 'type'",
expectedFileName: "attributes.go",
expectedLine: 13,
expectedColumn: 1,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
spn := parseDiagnosticMessage(tt.in)
fn, err := spn.URI().Filename()
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
if !strings.HasSuffix(fn, tt.expectedFileName) {
t.Errorf("expected filename with suffix %v but got %v", tt.expectedFileName, fn)
}
if !spn.HasPosition() {
t.Fatalf("expected span to have position")
}
pos := spn.Start()
if pos.Line() != tt.expectedLine {
t.Errorf("expected line %v but got %v", tt.expectedLine, pos.Line())
}
if pos.Column() != tt.expectedColumn {
t.Errorf("expected line %v but got %v", tt.expectedLine, pos.Line())
}
})
}
}