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go/internal/lsp/diff/myers/diff_test.go

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internal/lsp: implement diff for computing text edits Rather than replacing the whole file on gofmt or goimports, use the Myers diff algorithm to compute diffs for a file. We send those back as text edits. Change-Id: I4f8cce5b27d51eae1911049ea002558a84cdf1bf Reviewed-on: https://go-review.googlesource.com/c/158579 Reviewed-by: Ian Cottrell <iancottrell@google.com>
2019-01-17 09:59:05 -07:00
// 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.
internal/lsp: abstract the diff library so it can be substituted this moves the actual diff algorithm into a different package and then provides hooks so it can be easily replaced with an alternate algorithm. Change-Id: Ia0359f58878493599ea0e0fda8920f21100e16f1 Reviewed-on: https://go-review.googlesource.com/c/tools/+/190898 Run-TryBot: Ian Cottrell <iancottrell@google.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2019-08-19 17:28:08 -06:00
package myers_test
internal/lsp: implement diff for computing text edits Rather than replacing the whole file on gofmt or goimports, use the Myers diff algorithm to compute diffs for a file. We send those back as text edits. Change-Id: I4f8cce5b27d51eae1911049ea002558a84cdf1bf Reviewed-on: https://go-review.googlesource.com/c/158579 Reviewed-by: Ian Cottrell <iancottrell@google.com>
2019-01-17 09:59:05 -07:00
import (
"testing"
internal/lsp: normalise and make public diff<->edit conversions This allows us to use the diff.ApplyEdits in tests, saving us from a different implementation. It also prepares for command lines that need to use diff features based on the results of a protocol message. Splitting content into lines is too easy to get wrong, and needs to be done correctly or the diff results make no sense. This adds the SplitLines function to the diff pacakge to do it right and then uses it everwhere we we already doing it wrong. It also makes all the diff tests external black box tests. Change-Id: I698227d5769a2bfbfd22a64ea42906b1df9268d9 Reviewed-on: https://go-review.googlesource.com/c/tools/+/171027 Run-TryBot: Ian Cottrell <iancottrell@google.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2019-04-08 07:22:58 -06:00
internal/lsp: invert the diff dependencies so myers depends on diff This makes it so the diff package is depended on by all implementations, rather than the diff package having to depend on the default myers implementation. Change-Id: I04b9caee6ff1017fa8e5476a7434e4b0e17753c3 Reviewed-on: https://go-review.googlesource.com/c/tools/+/198379 Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2019-10-01 16:08:04 -06:00
"golang.org/x/tools/internal/lsp/diff/difftest"
internal/lsp: abstract the diff library so it can be substituted this moves the actual diff algorithm into a different package and then provides hooks so it can be easily replaced with an alternate algorithm. Change-Id: Ia0359f58878493599ea0e0fda8920f21100e16f1 Reviewed-on: https://go-review.googlesource.com/c/tools/+/190898 Run-TryBot: Ian Cottrell <iancottrell@google.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2019-08-19 17:28:08 -06:00
"golang.org/x/tools/internal/lsp/diff/myers"
internal/lsp: implement diff for computing text edits Rather than replacing the whole file on gofmt or goimports, use the Myers diff algorithm to compute diffs for a file. We send those back as text edits. Change-Id: I4f8cce5b27d51eae1911049ea002558a84cdf1bf Reviewed-on: https://go-review.googlesource.com/c/158579 Reviewed-by: Ian Cottrell <iancottrell@google.com>
2019-01-17 09:59:05 -07:00
)
func TestDiff(t *testing.T) {
internal/lsp: invert the diff dependencies so myers depends on diff This makes it so the diff package is depended on by all implementations, rather than the diff package having to depend on the default myers implementation. Change-Id: I04b9caee6ff1017fa8e5476a7434e4b0e17753c3 Reviewed-on: https://go-review.googlesource.com/c/tools/+/198379 Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2019-10-01 16:08:04 -06:00
difftest.DiffTest(t, myers.ComputeEdits)
}
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