--- /dev/null
+// 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 cache
+
+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 := parseGoListError(tt.in)
+ fn := spn.URI().Filename()
+
+ 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())
+ }
+ })
+ }
+}