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package lsp
import (
"encoding/json"
"io"
"log"
"testing"
)
func TestHandleCodeAction_ListsDiagnosticsActionWhenOverlap(t *testing.T) {
s := &Server{logger: log.New(io.Discard, "", 0), docs: make(map[string]*document)}
s.llmClient = fakeLLM{resp: "fixed"}
uri := "file:///x.go"
s.setDocument(uri, "package p\nvar a=1\n")
// Selection overlaps line 1
sel := Range{Start: Position{Line:1, Character:0}, End: Position{Line:1, Character:5}}
// Provide diagnostics in the action context with one overlapping
ctx := CodeActionContext{Diagnostics: []Diagnostic{
{Range: Range{Start: Position{Line:1, Character:0}, End: Position{Line:1, Character:3}}, Message: "in"},
{Range: Range{Start: Position{Line:0, Character:0}, End: Position{Line:0, Character:1}}, Message: "out"},
}}
rawCtx, _ := json.Marshal(ctx)
p := CodeActionParams{TextDocument: TextDocumentIdentifier{URI: uri}, Range: sel, Context: json.RawMessage(rawCtx)}
ca := s.buildDiagnosticsCodeAction(p, "var a=1")
if ca == nil { t.Fatalf("expected diagnostics action") }
// Resolve should produce an edit
resolved, ok := s.resolveCodeAction(*ca)
if !ok || resolved.Edit == nil { t.Fatalf("expected resolved edit from diagnostics") }
}
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