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https://github.com/golang/go
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56eb7d2c19
Cache delivered diagnostics on the server so that we can determine if they should be resent. To be careful about this, we only reuse cached diagnostics if they are for a greater version, or if we don't know the file's version and it is unchanged. Fixes golang/go#32443 Change-Id: I4ba22d85e5b21a8ad6cc62f74cd83c07d3c220cf Reviewed-on: https://go-review.googlesource.com/c/tools/+/208261 Run-TryBot: Rebecca Stambler <rstambler@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Heschi Kreinick <heschi@google.com>
67 lines
2.2 KiB
Go
67 lines
2.2 KiB
Go
package tests
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import (
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"bytes"
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"fmt"
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"strings"
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"golang.org/x/tools/internal/lsp/protocol"
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"golang.org/x/tools/internal/lsp/source"
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"golang.org/x/tools/internal/span"
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)
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// DiffDiagnostics prints the diff between expected and actual diagnostics test
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// results.
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func DiffDiagnostics(uri span.URI, want, got []source.Diagnostic) string {
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source.SortDiagnostics(want)
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source.SortDiagnostics(got)
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if len(got) != len(want) {
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return summarizeDiagnostics(-1, uri, want, got, "different lengths got %v want %v", len(got), len(want))
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}
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for i, w := range want {
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g := got[i]
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if w.Message != g.Message {
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return summarizeDiagnostics(i, uri, want, got, "incorrect Message got %v want %v", g.Message, w.Message)
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}
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if w.Severity != g.Severity {
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return summarizeDiagnostics(i, uri, want, got, "incorrect Severity got %v want %v", g.Severity, w.Severity)
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}
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if w.Source != g.Source {
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return summarizeDiagnostics(i, uri, want, got, "incorrect Source got %v want %v", g.Source, w.Source)
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}
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// Don't check the range on the badimport test.
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if strings.Contains(uri.Filename(), "badimport") {
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continue
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}
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if protocol.ComparePosition(w.Range.Start, g.Range.Start) != 0 {
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return summarizeDiagnostics(i, uri, want, got, "incorrect Start got %v want %v", g.Range.Start, w.Range.Start)
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}
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if !protocol.IsPoint(g.Range) { // Accept any 'want' range if the diagnostic returns a zero-length range.
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if protocol.ComparePosition(w.Range.End, g.Range.End) != 0 {
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return summarizeDiagnostics(i, uri, want, got, "incorrect End got %v want %v", g.Range.End, w.Range.End)
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}
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}
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}
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return ""
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}
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func summarizeDiagnostics(i int, uri span.URI, want []source.Diagnostic, got []source.Diagnostic, reason string, args ...interface{}) string {
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msg := &bytes.Buffer{}
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fmt.Fprint(msg, "diagnostics failed")
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if i >= 0 {
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fmt.Fprintf(msg, " at %d", i)
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}
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fmt.Fprint(msg, " because of ")
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fmt.Fprintf(msg, reason, args...)
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fmt.Fprint(msg, ":\nexpected:\n")
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for _, d := range want {
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fmt.Fprintf(msg, " %s:%v: %s\n", uri, d.Range, d.Message)
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}
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fmt.Fprintf(msg, "got:\n")
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for _, d := range got {
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fmt.Fprintf(msg, " %s:%v: %s\n", uri, d.Range, d.Message)
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}
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return msg.String()
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}
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