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package lsp
import (
"encoding/json"
"testing"
tut "codeberg.org/snonux/hexai/internal/testutil"
)
func TestStripDuplicateGeneralPrefix_ExactOverlap(t *testing.T) {
prefix := "func New "
sugg := "func New() *CustData"
got := stripDuplicateGeneralPrefix(prefix, sugg)
// We expect the already typed prefix to be removed from the suggestion.
if got == sugg {
t.Fatalf("expected duplicate prefix to be stripped; got unchanged: %q", got)
}
if got != "() *CustData" {
t.Fatalf("got %q want %q", got, "() *CustData")
}
}
func TestStripDuplicateGeneralPrefix_TokenBoundarySuffix(t *testing.T) {
prefix := "db."
sugg := "db.Query()"
got := stripDuplicateGeneralPrefix(prefix, sugg)
if got != "Query()" {
t.Fatalf("got %q want %q", got, "Query()")
}
}
func TestStripDuplicateAssignmentPrefix_AssignAndWalrus(t *testing.T) {
// walrus
if out := stripDuplicateAssignmentPrefix("name := ", "name := compute()"); out != "compute()" {
t.Fatalf(":= expected compute(), got %q", out)
}
// equals
if out := stripDuplicateAssignmentPrefix("x = ", "x = y+1"); out != "y+1" {
t.Fatalf("= expected y+1, got %q", out)
}
}
func TestTryLLMCompletion_ManualInvokeAfterWhitespace_Allows(t *testing.T) {
s := newTestServer()
s.compCache = make(map[string]string)
cfg := s.cfg
cfg.MaxTokens = 32
cfg.TriggerCharacters = []string{".", ":", "/", "_"}
s.cfg = cfg
s.llmClient = fakeLLM{resp: tut.MultilineFunctionSuggestion()}
line := "func fib(i int) " // cursor after space
p := CompletionParams{Position: Position{Line: 0, Character: len(line)}, TextDocument: TextDocumentIdentifier{URI: "file://x.go"}}
// Simulate manual user invocation (TriggerKind=1)
p.Context = json.RawMessage([]byte(`{"triggerKind":1}`))
items, ok, _ := s.tryLLMCompletion(p, "", line, "", "", "", false, "")
if !ok {
t.Fatalf("expected ok=true for manual invoke after whitespace")
}
if len(items) == 0 {
t.Fatalf("expected at least one completion item")
}
}
func TestTryLLMCompletion_InlinePromptAlwaysTriggers(t *testing.T) {
s := newTestServer()
s.compCache = make(map[string]string)
cfg := s.cfg
cfg.MaxTokens = 32
cfg.TriggerCharacters = []string{".", ":", "/", "_"}
s.cfg = cfg
s.llmClient = fakeLLM{resp: "replacement"}
line := "prefix >!do something> suffix"
// No trigger char immediately before cursor; place cursor at end
p := CompletionParams{Position: Position{Line: 0, Character: len(line)}, TextDocument: TextDocumentIdentifier{URI: "file://inline.go"}}
items, ok, _ := s.tryLLMCompletion(p, "", line, "", "", "", false, "")
if !ok || len(items) == 0 {
t.Fatalf("expected completion to trigger on inline >!text> prompt")
}
}
func TestTryLLMCompletion_DoubleOpenEmpty_DoesNotAutoTrigger(t *testing.T) {
s := newTestServer()
s.compCache = make(map[string]string)
cfg := s.cfg
cfg.MaxTokens = 32
cfg.TriggerCharacters = []string{".", ":", "/", "_"}
s.cfg = cfg
fake := &countingLLM{}
s.llmClient = fake
line := ">>! " // empty content after double-open should not force-trigger
p := CompletionParams{Position: Position{Line: 0, Character: len(line)}, TextDocument: TextDocumentIdentifier{URI: "file://empty-inline.go"}}
items, ok, _ := s.tryLLMCompletion(p, "", line, "", "", "", false, "")
if !ok {
t.Fatalf("expected ok=true for non-trigger path")
}
if len(items) != 0 {
t.Fatalf("expected no items when inline double-open is empty")
}
if fake.calls != 0 {
t.Fatalf("LLM should not be called; calls=%d", fake.calls)
}
}
func TestHasDoubleSemicolonTrigger_Variants(t *testing.T) {
if hasDoubleOpenTrigger(">>!", ">!", '>', '>') {
t.Fatalf("bare double-open should not trigger")
}
if hasDoubleOpenTrigger(">>! ", ">!", '>', '>') {
t.Fatalf("double-open followed by space should not trigger")
}
if hasDoubleOpenTrigger(">>!>", ">!", '>', '>') {
t.Fatalf("';;;' should not trigger (no content)")
}
if !hasDoubleOpenTrigger(">>!x>", ">!", '>', '>') {
t.Fatalf("expected trigger for ';;x;' pattern")
}
}
func TestBareDoubleOpenPreventsAutoTriggerEvenWithOtherTriggers(t *testing.T) {
s := newTestServer()
s.compCache = make(map[string]string)
cfg := s.cfg
cfg.MaxTokens = 32
cfg.TriggerCharacters = []string{".", ":", "/", "_"}
s.cfg = cfg
fake := &countingLLM{}
s.llmClient = fake
// Place a '.' earlier but also include bare double-open at end; should not auto-trigger
line := "obj. call >>!"
p := CompletionParams{Position: Position{Line: 0, Character: len(line)}, TextDocument: TextDocumentIdentifier{URI: "file://bare-ds.go"}}
items, ok, _ := s.tryLLMCompletion(p, "", line, "", "", "", false, "")
if !ok {
t.Fatalf("expected ok=true (handled), but not auto-triggering")
}
if len(items) != 0 {
t.Fatalf("expected no items due to bare double-open")
}
if fake.calls != 0 {
t.Fatalf("LLM should not be called; calls=%d", fake.calls)
}
}
func TestBareDoubleOpenOnNextLine_PreventsAutoTrigger(t *testing.T) {
s := newTestServer()
s.compCache = make(map[string]string)
cfg := s.cfg
cfg.MaxTokens = 32
cfg.TriggerCharacters = []string{".", ":", "/", "_"}
s.cfg = cfg
fake := &countingLLM{}
s.llmClient = fake
current := "expression := flag.String(\"expression\", \"\", \"Expression to evaluate\")"
below := ">>!"
p := CompletionParams{Position: Position{Line: 0, Character: len(current)}, TextDocument: TextDocumentIdentifier{URI: "file://nextline.go"}}
items, ok, _ := s.tryLLMCompletion(p, "", current, below, "", "", false, "")
if !ok {
t.Fatalf("expected ok=true handled")
}
if len(items) != 0 {
t.Fatalf("expected no items due to bare double-open on next line")
}
if fake.calls != 0 {
t.Fatalf("LLM should not be called; calls=%d", fake.calls)
}
}
func TestBareDoubleOpenPreventsManualInvoke(t *testing.T) {
s := newTestServer()
s.compCache = make(map[string]string)
cfg := s.cfg
cfg.MaxTokens = 32
cfg.TriggerCharacters = []string{".", ":", "/", "_"}
s.cfg = cfg
fake := &countingLLM{}
s.llmClient = fake
line := ">>!"
p := CompletionParams{Position: Position{Line: 0, Character: len(line)}, TextDocument: TextDocumentIdentifier{URI: "file://bare-ds-manual.go"}}
// Simulate manual invoke
p.Context = json.RawMessage([]byte(`{"triggerKind":1}`))
items, ok, _ := s.tryLLMCompletion(p, "", line, "", "", "", false, "")
if !ok {
t.Fatalf("expected ok=true (handled)")
}
if len(items) != 0 {
t.Fatalf("expected no items for bare double-open even with manual invoke")
}
if fake.calls != 0 {
t.Fatalf("LLM should not be called; calls=%d", fake.calls)
}
}
|
