summaryrefslogtreecommitdiff
path: root/internal/lsp/completion_cache_test.go
blob: 9ef0f0059427f893e165b82ff3af865bfc220da9 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
package lsp

import (
    "bytes"
    "log"
    "strings"
    "testing"

    "codeberg.org/snonux/hexai/internal/logging"
)

func TestCompletionCache_IgnoresWhitespaceBeforeCursor(t *testing.T) {
	var buf bytes.Buffer
	logger := log.New(&buf, "", 0)
	s := NewServer(bytes.NewBuffer(nil), &buf, logger, ServerOptions{})
	logging.Bind(logger)
	s.triggerChars = []string{" ", "."}
	fake := &countingLLM{}
	s.llmClient = fake

	// First request with trailing spaces before cursor
	line := "foo   "
	p := CompletionParams{Position: Position{Line: 0, Character: len(line)}, TextDocument: TextDocumentIdentifier{URI: "file://x.go"}}
	items, ok := s.tryLLMCompletion(p, "", line, "", "", "", false, "")
	if !ok || len(items) == 0 || fake.calls != 1 {
		t.Fatalf("expected first call to invoke LLM; ok=%v len=%d calls=%d", ok, len(items), fake.calls)
	}

	// Same logical context but with a different amount of trailing whitespace
	line2 := "foo             "
	p2 := CompletionParams{Position: Position{Line: 0, Character: len(line2)}, TextDocument: TextDocumentIdentifier{URI: "file://x.go"}}
	items2, ok2 := s.tryLLMCompletion(p2, "", line2, "", "", "", false, "")
	if !ok2 || len(items2) == 0 {
		t.Fatalf("expected cache hit to still return items")
	}
	if fake.calls != 1 {
		t.Fatalf("expected cache hit to avoid LLM call; calls=%d", fake.calls)
	}
	if !strings.Contains(buf.String(), "completion cache hit") {
		t.Fatalf("expected log to contain cache hit message, got: %s", buf.String())
	}
}