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package gopls
import (
"strings"
"testing"
"github.com/grindlemire/go-tui/internal/tuigen"
)
func TestGenerateVirtualGo_StateVarDeclarations(t *testing.T) {
file := &tuigen.File{
Package: "main",
Components: []*tuigen.Component{
{
Name: "Counter",
Position: tuigen.Position{Line: 3, Column: 1},
ReturnType: "*element.Element",
Body: []tuigen.Node{
&tuigen.GoCode{
Code: `count := tui.NewState(0)`,
Position: tuigen.Position{Line: 4, Column: 2},
},
},
},
},
}
source, sourceMap := GenerateVirtualGo(file)
if !strings.Contains(source, "count := tui.NewState(0)") {
t.Errorf("expected virtual Go to contain state declaration, got:\n%s", source)
}
if sourceMap == nil {
t.Fatal("expected non-nil source map")
}
}
func TestGenerateVirtualGo_RefSimple(t *testing.T) {
file := &tuigen.File{
Package: "main",
Components: []*tuigen.Component{
{
Name: "Layout",
Position: tuigen.Position{Line: 3, Column: 1},
ReturnType: "*element.Element",
Body: []tuigen.Node{
&tuigen.Element{
Tag: "div",
RefExpr: &tuigen.GoExpr{Code: "header", Position: tuigen.Position{Line: 4, Column: 10}},
Position: tuigen.Position{Line: 4, Column: 2},
},
},
},
},
}
source, _ := GenerateVirtualGo(file)
if !strings.Contains(source, "_ = header") {
t.Errorf("expected virtual Go to contain ref usage, got:\n%s", source)
}
}
func TestGenerateVirtualGo_RefInLoop(t *testing.T) {
file := &tuigen.File{
Package: "main",
Components: []*tuigen.Component{
{
Name: "List",
Position: tuigen.Position{Line: 3, Column: 1},
ReturnType: "*element.Element",
Body: []tuigen.Node{
&tuigen.ForLoop{
Index: "_",
Value: "item",
Iterable: "items",
Position: tuigen.Position{Line: 4, Column: 2},
Body: []tuigen.Node{
&tuigen.Element{
Tag: "span",
RefExpr: &tuigen.GoExpr{Code: "items", Position: tuigen.Position{Line: 5, Column: 14}},
Position: tuigen.Position{Line: 5, Column: 3},
},
},
},
},
},
},
}
source, _ := GenerateVirtualGo(file)
if !strings.Contains(source, "_ = items") {
t.Errorf("expected virtual Go to contain ref usage, got:\n%s", source)
}
}
func TestGenerateVirtualGo_RefKeyed(t *testing.T) {
file := &tuigen.File{
Package: "main",
Components: []*tuigen.Component{
{
Name: "UserList",
Position: tuigen.Position{Line: 3, Column: 1},
ReturnType: "*element.Element",
Body: []tuigen.Node{
&tuigen.ForLoop{
Index: "_",
Value: "user",
Iterable: "users",
Position: tuigen.Position{Line: 4, Column: 2},
Body: []tuigen.Node{
&tuigen.Element{
Tag: "span",
RefExpr: &tuigen.GoExpr{Code: "users", Position: tuigen.Position{Line: 5, Column: 14}},
RefKey: &tuigen.GoExpr{Code: "user.ID", Position: tuigen.Position{Line: 5, Column: 28}},
Position: tuigen.Position{Line: 5, Column: 3},
},
},
},
},
},
},
}
source, _ := GenerateVirtualGo(file)
if !strings.Contains(source, "_ = users") {
t.Errorf("expected virtual Go to contain ref usage, got:\n%s", source)
}
}
func TestGenerateVirtualGo_GoDecl(t *testing.T) {
file := &tuigen.File{
Package: "main",
Imports: []tuigen.Import{
{Path: "github.com/grindlemire/go-tui", Alias: "tui"},
},
Decls: []*tuigen.GoDecl{
{
Kind: "var",
Code: "var _ tui.Component = (*counter)(nil)",
Position: tuigen.Position{Line: 5, Column: 1},
},
},
Components: []*tuigen.Component{
{
Name: "Test",
Position: tuigen.Position{Line: 7, Column: 1},
ReturnType: "*element.Element",
Body: []tuigen.Node{},
},
},
}
source, sourceMap := GenerateVirtualGo(file)
if !strings.Contains(source, "var _ tui.Component = (*counter)(nil)") {
t.Errorf("expected virtual Go to contain var declaration, got:\n%s", source)
}
if sourceMap == nil {
t.Fatal("expected non-nil source map")
}
importIdx := strings.Index(source, `tui "github.com/grindlemire/go-tui"`)
declIdx := strings.Index(source, "var _ tui.Component")
funcIdx := strings.Index(source, "func Test(")
if importIdx >= declIdx {
t.Errorf("expected import before decl")
}
if declIdx >= funcIdx {
t.Errorf("expected decl before func")
}
}
func TestGenerateVirtualGo_ExistingFunctionality(t *testing.T) {
file := &tuigen.File{
Package: "main",
Components: []*tuigen.Component{
{
Name: "Hello",
Position: tuigen.Position{Line: 3, Column: 1},
ReturnType: "*element.Element",
Params: []*tuigen.Param{
{Name: "name", Type: "string", Position: tuigen.Position{Line: 3, Column: 12}},
},
Body: []tuigen.Node{
&tuigen.Element{
Tag: "span",
Position: tuigen.Position{Line: 4, Column: 2},
Children: []tuigen.Node{
&tuigen.GoExpr{
Code: "name",
Position: tuigen.Position{Line: 4, Column: 8},
},
},
},
},
},
},
}
source, sourceMap := GenerateVirtualGo(file)
if !strings.Contains(source, "func Hello(name string) *element.Element") {
t.Errorf("expected function signature, got:\n%s", source)
}
if !strings.Contains(source, "_ = name") {
t.Errorf("expected expression assignment, got:\n%s", source)
}
if sourceMap == nil {
t.Fatal("expected non-nil source map")
}
}
|