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package lsp
import (
"encoding/json"
"testing"
)
func TestExtractTriggerInfo_ParseManualInvoke(t *testing.T) {
// Compose a CompletionParams with a raw JSON context
ctx := struct{ TriggerKind int `json:"triggerKind"`; TriggerCharacter string `json:"triggerCharacter"` }{TriggerKind: 1, TriggerCharacter: "."}
raw, _ := json.Marshal(ctx)
p := CompletionParams{Context: json.RawMessage(raw)}
kind, ch := extractTriggerInfo(p)
if kind != 1 || ch != "." { t.Fatalf("unexpected trigger info: %d %q", kind, ch) }
if !parseManualInvoke(json.RawMessage(raw)) { t.Fatalf("expected manual invoke true") }
}
func TestShouldSuppressForChatTriggerEOL(t *testing.T) {
s := newTestServer()
p := CompletionParams{TextDocument: TextDocumentIdentifier{URI: "file:///x"}, Position: Position{Line:0, Character:10}}
line := "say hi;>"
if !s.shouldSuppressForChatTriggerEOL(line, p) { t.Fatalf("expected suppression when ;> at EOL") }
if s.shouldSuppressForChatTriggerEOL("plain>", p) { t.Fatalf("should not suppress for plain >") }
}
func TestPrefixHeuristicAllows(t *testing.T) {
s := newTestServer()
// inline prompt allows zero prefix
if !s.prefixHeuristicAllows(true, "", CompletionParams{Position: Position{Line:0, Character:0}}, false) { t.Fatalf("inline prompt should allow") }
// structural triggers like '.' allow without prefix
if !s.prefixHeuristicAllows(false, "fmt.", CompletionParams{Position: Position{Line:0, Character:4}}, false) { t.Fatalf("dot trigger should allow") }
// otherwise need at least minimal prefix (default min=1)
if s.prefixHeuristicAllows(false, " ", CompletionParams{Position: Position{Line:0, Character:0}}, false) { t.Fatalf("should not allow with no prefix") }
}
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