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internal/lsp: do not allow diff.ApplyEdits to be replaced

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We only need one implementation of this, it must cope with all inputs, and it
has no freedom in it's results, so it does not need to be pluggable.

Change-Id: I6fec0c339eb288649a670fc3e2cb00c726467e20
Reviewed-on: https://go-review.googlesource.com/c/tools/+/198377
Run-TryBot: Ian Cottrell <iancottrell@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
This commit is contained in:
Ian Cottrell 2019-09-27 20:01:26 -04:00 committed by Brad Fitzpatrick
parent 91543147e3
commit f7bb6f12f0
3 changed files with 8 additions and 12 deletions
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6
internal/lsp/diff/apply_edits.go
View File

@ -7,11 +7,7 @@ import (
"golang.org/x/tools/internal/span"
)
func init() {
ApplyEdits = applyEdits
}
func applyEdits(before string, edits []TextEdit) string {
func ApplyEdits(before string, edits []TextEdit) string {
// Preconditions:
// - all of the edits apply to before
// - and all the spans for each TextEdit have the same URI

13
internal/lsp/diff/apply_edits_test.go
View File

@ -1,24 +1,25 @@
package diff
package diff_test
import (
"testing"
"golang.org/x/tools/internal/lsp/diff"
"golang.org/x/tools/internal/span"
)
func TestApplyEdits(t *testing.T) {
var testCases = []struct {
before string
edits []TextEdit
edits []diff.TextEdit
want string
}{
{"", nil, ""},
{"X", []TextEdit{{newSpan(0, 1), "Y"}}, "Y"},
{" X ", []TextEdit{{newSpan(1, 2), "Y"}}, " Y "},
{" X X ", []TextEdit{{newSpan(1, 2), "Y"}, {newSpan(3, 4), "Z"}}, " Y Z "},
{"X", []diff.TextEdit{{newSpan(0, 1), "Y"}}, "Y"},
{" X ", []diff.TextEdit{{newSpan(1, 2), "Y"}}, " Y "},
{" X X ", []diff.TextEdit{{newSpan(1, 2), "Y"}, {newSpan(3, 4), "Z"}}, " Y Z "},
}
for _, tc := range testCases {
if got := applyEdits(tc.before, tc.edits); got != tc.want {
if got := diff.ApplyEdits(tc.before, tc.edits); got != tc.want {
t.Errorf("applyEdits(%v, %v): got %v, want %v", tc.before, tc.edits, got, tc.want)
}
}

1
internal/lsp/diff/hooks.go
View File

@ -20,7 +20,6 @@ type TextEdit struct {
var (
ComputeEdits func(uri span.URI, before, after string) []TextEdit
ApplyEdits func(before string, edits []TextEdit) string
ToUnified func(from, to string, before string, edits []TextEdit) string
)