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package tuigen
import (
"strings"
"testing"
)
func TestAnalyzer_DepsStringLiteralError(t *testing.T) {
input := `package x
templ Test(count *tui.State[int]) {
<span deps="not-valid">{count.Get()}</span>
}`
l := NewLexer("test.gsx", input)
p := NewParser(l)
file, err := p.ParseFile()
if err != nil {
t.Fatalf("parse error: %v", err)
}
analyzer := NewAnalyzer()
stateVars := analyzer.DetectStateVars(file.Components[0])
_ = analyzer.DetectStateBindings(file.Components[0], stateVars)
errors := analyzer.Errors().Errors()
if len(errors) != 1 {
t.Fatalf("expected 1 error, got %d", len(errors))
}
if !strings.Contains(errors[0].Message, "must use expression syntax") {
t.Errorf("error message = %q, want to contain 'must use expression syntax'", errors[0].Message)
}
}
func TestAnalyzer_DepsMissingBracketsError(t *testing.T) {
input := `package x
templ Test(count *tui.State[int]) {
<span deps={count}>{count.Get()}</span>
}`
l := NewLexer("test.gsx", input)
p := NewParser(l)
file, err := p.ParseFile()
if err != nil {
t.Fatalf("parse error: %v", err)
}
analyzer := NewAnalyzer()
stateVars := analyzer.DetectStateVars(file.Components[0])
_ = analyzer.DetectStateBindings(file.Components[0], stateVars)
errors := analyzer.Errors().Errors()
if len(errors) != 1 {
t.Fatalf("expected 1 error, got %d", len(errors))
}
if !strings.Contains(errors[0].Message, "must be an array literal") {
t.Errorf("error message = %q, want to contain 'must be an array literal'", errors[0].Message)
}
}
func TestAnalyzer_DepsEmptyArrayWarning(t *testing.T) {
input := `package x
templ Test(count *tui.State[int]) {
<span deps={[]}>{count.Get()}</span>
}`
l := NewLexer("test.gsx", input)
p := NewParser(l)
file, err := p.ParseFile()
if err != nil {
t.Fatalf("parse error: %v", err)
}
analyzer := NewAnalyzer()
stateVars := analyzer.DetectStateVars(file.Components[0])
_ = analyzer.DetectStateBindings(file.Components[0], stateVars)
errors := analyzer.Errors().Errors()
if len(errors) != 1 {
t.Fatalf("expected 1 error, got %d", len(errors))
}
if !strings.Contains(errors[0].Message, "empty deps attribute") {
t.Errorf("error message = %q, want to contain 'empty deps attribute'", errors[0].Message)
}
}
func TestAnalyzer_MultipleErrors(t *testing.T) {
input := `package x
templ Test() {
<unknownTag1 />
<unknownTag2 />
}`
_, err := AnalyzeFile("test.gsx", input)
if err == nil {
t.Fatal("expected errors, got nil")
}
errStr := err.Error()
if !strings.Contains(errStr, "unknownTag1") {
t.Error("missing error for unknownTag1")
}
if !strings.Contains(errStr, "unknownTag2") {
t.Error("missing error for unknownTag2")
}
}
func TestAnalyzer_ErrorHint(t *testing.T) {
input := `package x
templ Test() {
<div colour="red"></div>
}`
_, err := AnalyzeFile("test.gsx", input)
if err == nil {
t.Fatal("expected error, got nil")
}
errStr := err.Error()
if !strings.Contains(errStr, "did you mean") {
t.Errorf("error should contain hint, got: %s", errStr)
}
}
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