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|
package tuigen
import (
"strings"
"testing"
)
func TestAnalyzer_NestedElements(t *testing.T) {
input := `package x
templ Test() {
<div>
<div>
<unknownTag />
</div>
</div>
}`
_, err := AnalyzeFile("test.gsx", input)
if err == nil {
t.Error("expected error for nested unknown tag")
return
}
if !strings.Contains(err.Error(), "unknown element tag <unknownTag>") {
t.Errorf("error %q does not contain expected message", err.Error())
}
}
func TestAnalyzer_ControlFlowValidation(t *testing.T) {
type tc struct {
input string
wantError bool
errorContains string
}
tests := map[string]tc{
"valid for loop": {
input: `package x
templ Test(items []string) {
<div>
for _, item := range items {
<span>{item}</span>
}
</div>
}`,
wantError: false,
},
"invalid element in for loop": {
input: `package x
templ Test(items []string) {
<div>
for _, item := range items {
<badTag />
}
</div>
}`,
wantError: true,
errorContains: "unknown element tag <badTag>",
},
"valid if statement": {
input: `package x
templ Test(show bool) {
<div>
if show {
<span>visible</span>
}
</div>
}`,
wantError: false,
},
"invalid element in if then": {
input: `package x
templ Test(show bool) {
<div>
if show {
<badTag />
}
</div>
}`,
wantError: true,
errorContains: "unknown element tag <badTag>",
},
"invalid element in if else": {
input: `package x
templ Test(show bool) {
<div>
if show {
<span>yes</span>
} else {
<badTag />
}
</div>
}`,
wantError: true,
errorContains: "unknown element tag <badTag>",
},
}
for name, tt := range tests {
t.Run(name, func(t *testing.T) {
_, err := AnalyzeFile("test.gsx", tt.input)
if tt.wantError {
if err == nil {
t.Error("expected error, got nil")
return
}
if tt.errorContains != "" && !strings.Contains(err.Error(), tt.errorContains) {
t.Errorf("error %q does not contain %q", err.Error(), tt.errorContains)
}
} else {
if err != nil {
t.Errorf("unexpected error: %v", err)
}
}
})
}
}
func TestAnalyzer_AllKnownAttributes(t *testing.T) {
attributes := []string{
"width", "widthPercent", "height", "heightPercent",
"minWidth", "minHeight", "maxWidth", "maxHeight",
"direction", "justify", "align", "gap",
"flexGrow", "flexShrink", "alignSelf",
"padding", "margin",
"border", "borderStyle", "background",
"text", "textStyle", "textAlign",
"onFocus", "onBlur",
"scrollable", "scrollbarStyle", "scrollbarThumbStyle", "hideScrollbar",
"disabled", "id",
}
for _, attr := range attributes {
t.Run(attr, func(t *testing.T) {
input := `package x
templ Test() {
<div ` + attr + `=1></div>
}`
_, err := AnalyzeFile("test.gsx", input)
if err != nil {
t.Errorf("attribute %q should be valid, got error: %v", attr, err)
}
})
}
}
func TestAnalyzer_AllKnownTags(t *testing.T) {
tags := []string{
"div", "span", "p", "ul", "li",
"button", "input", "textarea", "table", "tr", "td", "th",
"progress", "hr", "br",
}
for _, tag := range tags {
t.Run(tag, func(t *testing.T) {
input := `package x
templ Test() {
<` + tag + ` />
}`
_, err := AnalyzeFile("test.gsx", input)
if err != nil {
t.Errorf("tag %q should be valid, got error: %v", tag, err)
}
})
}
}
func TestAnalyzer_HRValid(t *testing.T) {
type tc struct {
input string
wantError bool
}
tests := map[string]tc{
"hr self-closing": {
input: `package x
templ Test() {
<div>
<hr/>
</div>
}`,
wantError: false,
},
"hr with class": {
input: `package x
templ Test() {
<div>
<hr class="border-double"/>
</div>
}`,
wantError: false,
},
}
for name, tt := range tests {
t.Run(name, func(t *testing.T) {
_, err := AnalyzeFile("test.gsx", tt.input)
if tt.wantError {
if err == nil {
t.Error("expected error, got nil")
}
} else {
if err != nil {
t.Errorf("unexpected error: %v", err)
}
}
})
}
}
func TestAnalyzer_BRValid(t *testing.T) {
type tc struct {
input string
wantError bool
}
tests := map[string]tc{
"br self-closing": {
input: `package x
templ Test() {
<div>
<br/>
</div>
}`,
wantError: false,
},
}
for name, tt := range tests {
t.Run(name, func(t *testing.T) {
_, err := AnalyzeFile("test.gsx", tt.input)
if tt.wantError {
if err == nil {
t.Error("expected error, got nil")
}
} else {
if err != nil {
t.Errorf("unexpected error: %v", err)
}
}
})
}
}
func TestAnalyzer_MarkdownValid(t *testing.T) {
type tc struct {
input string
wantError bool
errorContains string
}
tests := map[string]tc{
"markdown self-closing with source/width": {
input: `package x
templ (c *view) Render() {
<markdown source={c.readme} width={80} />
}`,
wantError: false,
},
"markdown with state attr": {
input: `package x
templ (c *view) Render() {
<markdown state={c.md} />
}`,
wantError: false,
},
"markdown is void": {
input: `package x
templ (c *view) Render() {
<markdown source={c.readme}>oops</markdown>
}`,
wantError: true,
errorContains: "<markdown> is a void element and cannot have children",
},
}
for name, tt := range tests {
t.Run(name, func(t *testing.T) {
_, err := AnalyzeFile("test.gsx", tt.input)
if tt.wantError {
if err == nil {
t.Fatal("expected error, got nil")
}
if !strings.Contains(err.Error(), tt.errorContains) {
t.Errorf("error %q should contain %q", err.Error(), tt.errorContains)
}
} else if err != nil {
t.Errorf("unexpected error: %v", err)
}
})
}
}
func TestAnalyzer_VoidWithChildren(t *testing.T) {
type tc struct {
input string
wantError bool
errorContains string
}
tests := map[string]tc{
"hr with text child": {
input: `package x
templ Test() {
<div>
<hr>text</hr>
</div>
}`,
wantError: true,
errorContains: "<hr> is a void element and cannot have children",
},
"hr with element child": {
input: `package x
templ Test() {
<div>
<hr><span>nested</span></hr>
</div>
}`,
wantError: true,
errorContains: "<hr> is a void element and cannot have children",
},
"br with text child": {
input: `package x
templ Test() {
<div>
<br>text</br>
</div>
}`,
wantError: true,
errorContains: "<br> is a void element and cannot have children",
},
"input with child": {
input: `package x
templ Test() {
<div>
<input>text</input>
</div>
}`,
wantError: true,
errorContains: "<input> is a void element and cannot have children",
},
}
for name, tt := range tests {
t.Run(name, func(t *testing.T) {
_, err := AnalyzeFile("test.gsx", tt.input)
if tt.wantError {
if err == nil {
t.Error("expected error, got nil")
return
}
if tt.errorContains != "" && !strings.Contains(err.Error(), tt.errorContains) {
t.Errorf("error %q does not contain %q", err.Error(), tt.errorContains)
}
} else {
if err != nil {
t.Errorf("unexpected error: %v", err)
}
}
})
}
}
func TestAnalyzer_TailwindClassValidation(t *testing.T) {
type tc struct {
input string
wantError bool
errorContains string
hintContains string
}
tests := map[string]tc{
"valid tailwind classes": {
input: `package x
templ Test() {
<div class="flex-col gap-2 p-4"></div>
}`,
wantError: false,
},
"valid width and height classes": {
input: `package x
templ Test() {
<div class="w-full h-1/2"></div>
}`,
wantError: false,
},
"valid individual padding classes": {
input: `package x
templ Test() {
<div class="pt-2 pb-4 pl-1"></div>
}`,
wantError: false,
},
"valid border color classes": {
input: `package x
templ Test() {
<div class="border border-red"></div>
}`,
wantError: false,
},
"valid text alignment classes": {
input: `package x
templ Test() {
<div class="text-center"></div>
}`,
wantError: false,
},
"unknown tailwind class": {
input: `package x
templ Test() {
<div class="flex-columns"></div>
}`,
wantError: true,
errorContains: `unknown Tailwind class "flex-columns"`,
hintContains: `flex-col`,
},
"unknown tailwind class without suggestion": {
input: `package x
templ Test() {
<div class="xyz-completely-invalid"></div>
}`,
wantError: true,
errorContains: `unknown Tailwind class "xyz-completely-invalid"`,
},
"multiple unknown classes": {
input: `package x
templ Test() {
<div class="flex-columns badclass"></div>
}`,
wantError: true,
errorContains: `unknown Tailwind class`,
},
"mix of valid and invalid classes": {
input: `package x
templ Test() {
<div class="flex-col gap-2 badclass p-4"></div>
}`,
wantError: true,
errorContains: `unknown Tailwind class "badclass"`,
},
}
for name, tt := range tests {
t.Run(name, func(t *testing.T) {
_, err := AnalyzeFile("test.gsx", tt.input)
if tt.wantError {
if err == nil {
t.Error("expected error, got nil")
return
}
if tt.errorContains != "" && !strings.Contains(err.Error(), tt.errorContains) {
t.Errorf("error %q does not contain %q", err.Error(), tt.errorContains)
}
if tt.hintContains != "" && !strings.Contains(err.Error(), tt.hintContains) {
t.Errorf("error %q does not contain hint %q", err.Error(), tt.hintContains)
}
} else {
if err != nil {
t.Errorf("unexpected error: %v", err)
}
}
})
}
}
func TestAnalyzer_TailwindClassErrorPosition(t *testing.T) {
input := `package x
templ Test() {
<div class="flex-col badclass p-2"></div>
}`
_, err := AnalyzeFile("test.gsx", input)
if err == nil {
t.Fatal("expected error, got nil")
}
errList, ok := err.(*ErrorList)
if !ok {
t.Fatalf("expected *ErrorList, got %T", err)
}
errors := errList.Errors()
if len(errors) != 1 {
t.Fatalf("expected 1 error, got %d", len(errors))
}
tuiErr := errors[0]
if !strings.Contains(tuiErr.Message, "badclass") {
t.Errorf("error message %q should contain 'badclass'", tuiErr.Message)
}
if tuiErr.EndPos.Line == 0 && tuiErr.EndPos.Column == 0 {
t.Error("EndPos should be set for range-based highlighting")
}
}
|