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|
package tuigen
import (
"strings"
"testing"
)
func TestGenerator_TagSpecificOptions(t *testing.T) {
type tc struct {
input string
wantContains []string
}
tests := map[string]tc{
"hr renders WithHR": {
input: `package x
templ App() {
<div>
<hr/>
</div>
}`,
wantContains: []string{"tui.WithHR()"},
},
"br renders zero width one height": {
input: `package x
templ App() {
<div>
<br/>
</div>
}`,
wantContains: []string{
"tui.WithWidth(0)",
"tui.WithHeight(1)",
},
},
"table row and cells get tags and direction": {
input: `package x
templ App() {
<table>
<tr>
<th>Name</th>
<td>Bob</td>
</tr>
</table>
}`,
wantContains: []string{
`tui.WithTag("table")`,
"tui.WithDisplay(tui.DisplayFlex)",
"tui.WithDirection(tui.Column)",
`tui.WithTag("tr")`,
"tui.WithDirection(tui.Row)",
`tui.WithTag("th")`,
`tui.WithText("Name")`,
`tui.WithTag("td")`,
`tui.WithText("Bob")`,
},
},
"p with expression child uses WithText": {
input: `package x
templ App(msg string) {
<p>{msg}</p>
}`,
wantContains: []string{"tui.WithText(msg)"},
},
"span with numeric expression wraps in Sprint": {
input: `package x
templ App() {
<span>{42}</span>
}`,
wantContains: []string{"tui.WithText(fmt.Sprint(42))"},
},
}
for name, tt := range tests {
t.Run(name, func(t *testing.T) {
output, err := parseAndGenerateSkipImports("test.gsx", tt.input)
if err != nil {
t.Fatalf("generation failed: %v", err)
}
code := string(output)
for _, want := range tt.wantContains {
if !strings.Contains(code, want) {
t.Errorf("output missing %q\nGot:\n%s", want, code)
}
}
})
}
}
func TestGenerator_HandlerAttributes(t *testing.T) {
input := `package x
templ App(onF func(), onB func(), onA func()) {
<div focusable={true} onFocus={onF} onBlur={onB} onActivate={onA}></div>
}`
output, err := parseAndGenerateSkipImports("test.gsx", input)
if err != nil {
t.Fatalf("generation failed: %v", err)
}
code := string(output)
for _, want := range []string{
"tui.WithFocusable(true)",
"tui.WithOnFocus(onF)",
"tui.WithOnBlur(onB)",
"tui.WithOnActivate(onA)",
} {
if !strings.Contains(code, want) {
t.Errorf("output missing %q\nGot:\n%s", want, code)
}
}
}
func TestGenerator_AttributeValueForms(t *testing.T) {
type tc struct {
input string
wantContains []string
wantNotContains []string
}
tests := map[string]tc{
"width percent string": {
input: `package x
templ App() {
<div width="50%"></div>
}`,
wantContains: []string{"tui.WithWidthPercent(50)"},
},
"height percent string": {
input: `package x
templ App() {
<div height="25%"></div>
}`,
wantContains: []string{"tui.WithHeightPercent(25)"},
},
"int literal attribute": {
input: `package x
templ App() {
<div gap=2></div>
}`,
wantContains: []string{"tui.WithGap(2)"},
},
"float literal attribute": {
input: `package x
templ App() {
<div flexGrow=1.5></div>
}`,
wantContains: []string{"tui.WithFlexGrow(1.5)"},
},
"bool literal attribute": {
input: `package x
templ App() {
<div scrollable=true hideScrollbar=false></div>
}`,
wantContains: []string{
"tui.WithScrollable(true)",
"tui.WithScrollbarHidden(false)",
},
},
"string literal attribute": {
input: `package x
templ App() {
<div text="hello" borderTitle="Title"></div>
}`,
wantContains: []string{
`tui.WithText("hello")`,
`tui.WithBorderTitle("Title")`,
},
},
"go expr attribute": {
input: `package x
templ App(w int) {
<div width={w * 2}></div>
}`,
wantContains: []string{"tui.WithWidth(w * 2)"},
},
"unknown attribute is skipped": {
input: `package x
templ App() {
<div bogus="nope"></div>
}`,
wantNotContains: []string{"bogus", "nope"},
},
"class with text style methods builds combined style": {
input: `package x
templ App() {
<div class="font-bold text-red p-1"></div>
}`,
wantContains: []string{
"tui.WithPadding(1)",
"Bold()",
"Foreground(tui.Red)",
},
},
}
for name, tt := range tests {
t.Run(name, func(t *testing.T) {
output, err := parseAndGenerateSkipImports("test.gsx", tt.input)
if err != nil {
t.Fatalf("generation failed: %v", err)
}
code := string(output)
for _, want := range tt.wantContains {
if !strings.Contains(code, want) {
t.Errorf("output missing %q\nGot:\n%s", want, code)
}
}
for _, notWant := range tt.wantNotContains {
if strings.Contains(code, notWant) {
t.Errorf("output contains unexpected %q\nGot:\n%s", notWant, code)
}
}
})
}
}
func TestGenerator_RefBindingForms(t *testing.T) {
type tc struct {
input string
wantContains []string
}
tests := map[string]tc{
"single ref uses Set": {
input: `package x
templ App() {
header := tui.NewRef()
<div ref={header}></div>
}`,
wantContains: []string{"header.Set(__tui_0)"},
},
"ref in loop uses Append": {
input: `package x
templ App(items []string) {
rows := tui.NewRefList()
<div>
for _, item := range items {
<span ref={rows}>{item}</span>
}
</div>
}`,
wantContains: []string{"rows.Append(__tui_"},
},
"keyed ref in loop uses Put": {
input: `package x
templ App(items []string) {
rows := tui.NewRefMap[string]()
<div>
for _, item := range items {
<span ref={rows} key={item}>{item}</span>
}
</div>
}`,
wantContains: []string{"rows.Put(item, __tui_"},
},
}
for name, tt := range tests {
t.Run(name, func(t *testing.T) {
output, err := parseAndGenerateSkipImports("test.gsx", tt.input)
if err != nil {
t.Fatalf("generation failed: %v", err)
}
code := string(output)
for _, want := range tt.wantContains {
if !strings.Contains(code, want) {
t.Errorf("output missing %q\nGot:\n%s", want, code)
}
}
})
}
}
func TestGenerator_ComponentElements(t *testing.T) {
type tc struct {
input string
wantContains []string
}
tests := map[string]tc{
"input element with attributes and handlers": {
input: `package x
type form struct{}
templ (c *form) Render() {
<input placeholder="name" width={20} onSubmit={c.submit} onChange={c.change} autoFocus={true} />
}`,
wantContains: []string{
"app.MountPersistent(c, 0, func() tui.Component {",
"tui.NewInput(",
`tui.WithInputPlaceholder("name")`,
"tui.WithInputWidth(20)",
"tui.WithInputOnSubmit(c.submit)",
"tui.WithInputOnChange(c.change)",
"tui.WithInputAutoFocus(true)",
},
},
"input value string literal wrapped in NewState": {
input: `package x
type form struct{}
templ (c *form) Render() {
<input value="initial" />
}`,
wantContains: []string{
`tui.WithInputValue(tui.NewState("initial"))`,
},
},
"textarea with submit handler and cursor": {
input: `package x
type form struct{}
templ (c *form) Render() {
<textarea onSubmit={c.send} cursor={'|'} maxHeight={5} />
}`,
wantContains: []string{
"tui.NewTextArea(",
"tui.WithTextAreaOnSubmit(c.send)",
"tui.WithTextAreaCursor('|')",
"tui.WithTextAreaMaxHeight(5)",
},
},
"textarea with ref uses Set": {
input: `package x
type form struct{}
templ (c *form) Render() {
<textarea ref={c.ta} />
}`,
wantContains: []string{
"c.ta.Set(__tui_0)",
},
},
"textarea inside loop uses runtime mount index and ref append": {
input: `package x
type form struct{}
templ (c *form) Render() {
<div>
for i, f := range c.fields {
<textarea ref={c.areas} placeholder={f} />
}
</div>
}`,
wantContains: []string{
"app.Mount(c, tui.MountKey(0, i), func() tui.Component {",
"c.areas.Append(__tui_",
"tui.WithTextAreaPlaceholder(f)",
},
},
"modal with state and options": {
input: `package x
type shell struct{}
templ (c *shell) Render() {
<modal open={c.showModal} backdrop="blank" closeOnEscape={false} trapFocus={true}>
<span>content</span>
</modal>
}`,
wantContains: []string{
"tui.NewModal(",
"tui.WithModalOpen(c.showModal)",
`tui.WithModalBackdrop("blank")`,
"tui.WithModalCloseOnEscape(false)",
"tui.WithModalTrapFocus(true)",
`tui.WithText("content")`,
".AddChild(",
},
},
"modal open bool literal wrapped in NewState": {
input: `package x
type shell struct{}
templ (c *shell) Render() {
<modal open=true></modal>
}`,
wantContains: []string{
"tui.WithModalOpen(tui.NewState(true))",
},
},
"modal class becomes WithModalElementOptions": {
input: `package x
type shell struct{}
templ (c *shell) Render() {
<modal open={c.show} class="border-rounded p-2 font-bold"></modal>
}`,
wantContains: []string{
"tui.WithModalElementOptions(",
"tui.WithBorder(tui.BorderRounded)",
"tui.WithPadding(2)",
"Bold()",
},
},
"markdown with source width and theme": {
input: `package x
type docs struct{}
templ (c *docs) Render() {
<markdown source={c.body} width={80} theme={c.theme} />
}`,
wantContains: []string{
"tui.NewMarkdown(",
"tui.WithMarkdownSource(c.body)",
"tui.WithMarkdownWidth(80)",
"tui.WithMarkdownTheme(c.theme)",
},
},
"markdown with reactive state": {
input: `package x
type docs struct{}
templ (c *docs) Render() {
<markdown state={c.content} />
}`,
wantContains: []string{
"tui.WithMarkdownState(c.content)",
},
},
"component element with no options calls bare constructor": {
input: `package x
type form struct{}
templ (c *form) Render() {
<textarea />
}`,
wantContains: []string{
"return tui.NewTextArea()",
},
},
}
for name, tt := range tests {
t.Run(name, func(t *testing.T) {
output, err := parseAndGenerateSkipImports("test.gsx", tt.input)
if err != nil {
t.Fatalf("generation failed: %v", err)
}
code := string(output)
for _, want := range tt.wantContains {
if !strings.Contains(code, want) {
t.Errorf("output missing %q\nGot:\n%s", want, code)
}
}
})
}
}
|