From f42351e94fc13bc8fc191ac4883f9a3e6478e371 Mon Sep 17 00:00:00 2001
From: maddalax <jm@madev.me>
Date: Thu, 31 Oct 2024 11:36:57 -0500
Subject: [PATCH] more tests

---
 framework/h/attribute_test.go | 160 ++++++++++++++++++++++++++++++++
 framework/h/command_test.go   |  15 +++
 framework/h/header_test.go    |  57 ++++++++++++
 framework/h/qs_test.go        |  27 ++++++
 framework/h/serialize.go      |   3 +
 framework/h/serialize_test.go |  28 ++++++
 framework/h/swap_test.go      |  88 ++++++++++++++++++
 framework/h/tag_test.go       | 168 ++++++++++++++++++++++++++++++++++
 8 files changed, 546 insertions(+)
 create mode 100644 framework/h/attribute_test.go
 create mode 100644 framework/h/header_test.go
 create mode 100644 framework/h/serialize_test.go
 create mode 100644 framework/h/swap_test.go
 create mode 100644 framework/h/tag_test.go

diff --git a/framework/h/attribute_test.go b/framework/h/attribute_test.go
new file mode 100644
index 00000000..c2a56f11
--- /dev/null
+++ b/framework/h/attribute_test.go
@@ -0,0 +1,160 @@
+package h
+
+import (
+	"github.com/maddalax/htmgo/framework/hx"
+	"github.com/stretchr/testify/assert"
+	"testing"
+)
+
+func TestAttributes(t *testing.T) {
+	tests := []struct {
+		name          string
+		attribute     *AttributeR
+		expectedKey   string
+		expectedValue string
+	}{
+		{"NoSwap", NoSwap(), "hx-swap", "none"},
+		{"Checked", Checked().(*AttributeR), "checked", ""},
+		{"Id", Id("myID").(*AttributeR), "id", "myID"},
+		{"Disabled", Disabled(), "disabled", ""},
+		{"HxTarget", HxTarget("#myTarget").(*AttributeR), "hx-target", "#myTarget"},
+		{"Name", Name("myName").(*AttributeR), "name", "myName"},
+		{"HxConfirm", HxConfirm("Are you sure?").(*AttributeR), "hx-confirm", "Are you sure?"},
+		{"Class", Class("class1", "class2"), "class", "class1 class2 "},
+		{"ReadOnly", ReadOnly(), "readonly", ""},
+		{"Required", Required(), "required", ""},
+		{"Multiple", Multiple(), "multiple", ""},
+		{"Selected", Selected(), "selected", ""},
+		{"MaxLength", MaxLength(10), "maxlength", "10"},
+		{"MinLength", MinLength(5), "minlength", "5"},
+		{"Size", Size(3), "size", "3"},
+		{"Width", Width(100), "width", "100"},
+		{"Height", Height(200), "height", "200"},
+		{"Download", Download(true), "download", "true"},
+		{"Rel", Rel("noopener"), "rel", "noopener"},
+		{"Pattern", Pattern("[A-Za-z]+"), "pattern", "[A-Za-z]+"},
+		{"Action", Action("/submit"), "action", "/submit"},
+		{"Method", Method("POST"), "method", "POST"},
+		{"Enctype", Enctype("multipart/form-data"), "enctype", "multipart/form-data"},
+		{"AutoComplete", AutoComplete("on"), "autocomplete", "on"},
+		{"AutoFocus", AutoFocus(), "autofocus", ""},
+		{"NoValidate", NoValidate(), "novalidate", ""},
+		{"Step", Step("0.1"), "step", "0.1"},
+		{"Max", Max("100"), "max", "100"},
+		{"Min", Min("0"), "min", "0"},
+		{"Cols", Cols(30), "cols", "30"},
+		{"Rows", Rows(10), "rows", "10"},
+		{"Wrap", Wrap("soft"), "wrap", "soft"},
+		{"Role", Role("button"), "role", "button"},
+		{"AriaLabel", AriaLabel("Close Dialog"), "aria-label", "Close Dialog"},
+		{"AriaHidden", AriaHidden(true), "aria-hidden", "true"},
+		{"TabIndex", TabIndex(1), "tabindex", "1"},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			assert.Equal(t, tt.expectedKey, tt.attribute.Name)
+			assert.Equal(t, tt.expectedValue, tt.attribute.Value)
+		})
+	}
+}
+
+func TestClassF(t *testing.T) {
+	attribute := ClassF("class-%d", 123)
+	assert.Equal(t, "class", attribute.Name)
+	assert.Equal(t, "class-123", attribute.Value)
+}
+
+func TestClassX(t *testing.T) {
+	classMap := ClassMap{"visible": true, "hidden": false}
+	attribute := ClassX("base", classMap).(*AttributeR)
+	assert.Equal(t, "class", attribute.Name)
+	assert.Equal(t, "base visible ", attribute.Value)
+}
+
+func TestJoinAttributes(t *testing.T) {
+	attr1 := Attribute("data-attr", "one")
+	attr2 := Attribute("data-attr", "two")
+	joined := JoinAttributes(", ", attr1, attr2)
+	assert.Equal(t, "data-attr", joined.Name)
+	assert.Equal(t, "one, two", joined.Value)
+}
+
+func TestTarget(t *testing.T) {
+	attr := Target("_blank")
+	assert.Equal(t, "target", attr.(*AttributeR).Name)
+	assert.Equal(t, "_blank", attr.(*AttributeR).Value)
+}
+
+func TestD(t *testing.T) {
+	attr := D("M10 10 H 90 V 90 H 10 Z")
+	assert.Equal(t, "d", attr.(*AttributeR).Name)
+	assert.Equal(t, "M10 10 H 90 V 90 H 10 Z", attr.(*AttributeR).Value)
+}
+
+func TestHxExtension(t *testing.T) {
+	attr := HxExtension("trigger-children")
+	assert.Equal(t, "hx-ext", attr.Name)
+	assert.Equal(t, "trigger-children", attr.Value)
+}
+
+func TestHxExtensions(t *testing.T) {
+	attr := HxExtensions("foo", "bar")
+	assert.Equal(t, "hx-ext", attr.(*AttributeR).Name)
+	assert.Equal(t, "foo,bar", attr.(*AttributeR).Value)
+}
+
+func TestHxTrigger(t *testing.T) {
+	trigger := hx.NewTrigger(hx.OnClick()) // This assumes hx.NewTrigger is a correct call
+	attr := HxTrigger(hx.OnClick())
+	assert.Equal(t, "hx-trigger", attr.Name)
+	assert.Equal(t, trigger.ToString(), attr.Value)
+}
+
+func TestHxTriggerClick(t *testing.T) {
+	attr := HxTriggerClick() // Assuming no options for simplicity
+	assert.Equal(t, "hx-trigger", attr.Name)
+	assert.Equal(t, "click", attr.Value)
+}
+
+func TestTriggerChildren(t *testing.T) {
+	attr := TriggerChildren()
+	assert.Equal(t, "hx-ext", attr.Name)
+	assert.Equal(t, "trigger-children", attr.Value)
+}
+
+func TestHxInclude(t *testing.T) {
+	attr := HxInclude(".include-selector")
+	assert.Equal(t, "hx-include", attr.(*AttributeR).Name)
+	assert.Equal(t, ".include-selector", attr.(*AttributeR).Value)
+}
+
+func TestHxIndicator(t *testing.T) {
+	attr := HxIndicator("#my-indicator")
+	assert.Equal(t, "hx-indicator", attr.Name)
+	assert.Equal(t, "#my-indicator", attr.Value)
+}
+
+func TestHidden(t *testing.T) {
+	attr := Hidden()
+	assert.Equal(t, "style", attr.(*AttributeR).Name)
+	assert.Equal(t, "display:none", attr.(*AttributeR).Value)
+}
+
+func TestControls(t *testing.T) {
+	attr := Controls()
+	assert.Equal(t, "controls", attr.(*AttributeR).Name)
+	assert.Equal(t, "", attr.(*AttributeR).Value)
+}
+
+func TestPlaceholder(t *testing.T) {
+	attr := Placeholder("Enter text")
+	assert.Equal(t, "placeholder", attr.(*AttributeR).Name)
+	assert.Equal(t, "Enter text", attr.(*AttributeR).Value)
+}
+
+func TestBoost(t *testing.T) {
+	attr := Boost()
+	assert.Equal(t, "hx-boost", attr.(*AttributeR).Name)
+	assert.Equal(t, "true", attr.(*AttributeR).Value)
+}
diff --git a/framework/h/command_test.go b/framework/h/command_test.go
index 11b42fa1..24425067 100644
--- a/framework/h/command_test.go
+++ b/framework/h/command_test.go
@@ -381,3 +381,18 @@ func TestToggleClassOnSibling(t *testing.T) {
 		 }
 	`))
 }
+
+func TestPreventDefault(t *testing.T) {
+	t.Parallel()
+	compareIgnoreSpaces(t, renderJs(t, PreventDefault()), "event.preventDefault();")
+}
+
+func TestConsoleLog(t *testing.T) {
+	t.Parallel()
+	compareIgnoreSpaces(t, renderJs(t, ConsoleLog("Log Message")), "console.log('Log Message');")
+}
+
+func TestSetValue(t *testing.T) {
+	t.Parallel()
+	compareIgnoreSpaces(t, renderJs(t, SetValue("New Value")), "this.value = 'New Value';")
+}
diff --git a/framework/h/header_test.go b/framework/h/header_test.go
new file mode 100644
index 00000000..5715a2e1
--- /dev/null
+++ b/framework/h/header_test.go
@@ -0,0 +1,57 @@
+package h
+
+import (
+	"github.com/maddalax/htmgo/framework/hx"
+	"net/http"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+)
+
+func TestReplaceUrlHeader(t *testing.T) {
+	headers := ReplaceUrlHeader("/new-url")
+	assert.Contains(t, *headers, hx.ReplaceUrlHeader)
+	assert.Equal(t, "/new-url", (*headers)[hx.ReplaceUrlHeader])
+}
+
+func TestPushUrlHeader(t *testing.T) {
+	headers := PushUrlHeader("/push-url")
+	assert.Contains(t, *headers, hx.PushUrlHeader)
+	assert.Equal(t, "/push-url", (*headers)[hx.PushUrlHeader])
+}
+
+func TestPushQsHeader(t *testing.T) {
+	ctx := &RequestContext{currentBrowserUrl: "https://example.com/path"}
+	qs := NewQs("a", "b", "c", "d")
+	headers := PushQsHeader(ctx, qs)
+	expectedURL := "/path?a=b&c=d"
+	assert.Contains(t, *headers, hx.ReplaceUrlHeader)
+	assert.Equal(t, expectedURL, (*headers)[hx.ReplaceUrlHeader])
+}
+
+func TestCombineHeaders(t *testing.T) {
+	h1 := NewHeaders("Content-Type", "application/json")
+	h2 := NewHeaders("Authorization", "Bearer token")
+	combined := CombineHeaders(h1, h2)
+	assert.Equal(t, "application/json", (*combined)["Content-Type"])
+	assert.Equal(t, "Bearer token", (*combined)["Authorization"])
+}
+
+func TestCurrentPath(t *testing.T) {
+	req, _ := http.NewRequest("GET", "https://example.com", nil)
+	req.Header.Set(hx.CurrentUrlHeader, "https://example.com/current-path")
+	ctx := &RequestContext{Request: req}
+	path := CurrentPath(ctx)
+	assert.Equal(t, "/current-path", path)
+}
+
+func TestNewHeaders(t *testing.T) {
+	headers := NewHeaders("X-Custom", "value", "X-Another", "another-value")
+	require.NotNil(t, headers)
+	assert.Equal(t, "value", (*headers)["X-Custom"])
+	assert.Equal(t, "another-value", (*headers)["X-Another"])
+
+	invalidHeaders := NewHeaders("X-Custom")
+	assert.Empty(t, *invalidHeaders) // Check incorrect pair length handling
+}
diff --git a/framework/h/qs_test.go b/framework/h/qs_test.go
index 31067fd6..22e80b16 100644
--- a/framework/h/qs_test.go
+++ b/framework/h/qs_test.go
@@ -2,6 +2,8 @@ package h
 
 import (
 	"github.com/stretchr/testify/assert"
+	"net/http"
+	"net/url"
 	"testing"
 )
 
@@ -47,3 +49,28 @@ func TestSetQsOnUrlWithDelete(t *testing.T) {
 	set := SetQueryParams("https://example.com/path?a=b&c=d", qs)
 	assert.Equal(t, "https://example.com/path?a=b2", set)
 }
+
+func TestGetQueryParam(t *testing.T) {
+	t.Parallel()
+	req, _ := http.NewRequest("GET", "http://localhost/?foo=bar&baz=qux", nil)
+	ctx := &RequestContext{Request: req}
+
+	result := GetQueryParam(ctx, "foo")
+	assert.Equal(t, "bar", result)
+
+	result = GetQueryParam(ctx, "baz")
+	assert.Equal(t, "qux", result)
+
+	result = GetQueryParam(ctx, "missing")
+	assert.Equal(t, "", result)
+
+	ctx.currentBrowserUrl = "http://localhost/?current=value"
+
+	result = GetQueryParam(ctx, "current")
+	assert.Equal(t, "value", result)
+
+	// url params should override browser url
+	req.URL, _ = url.Parse("http://localhost/?foo=override")
+	result = GetQueryParam(ctx, "foo")
+	assert.Equal(t, "override", result)
+}
diff --git a/framework/h/serialize.go b/framework/h/serialize.go
index 0bc2c11b..b880d410 100644
--- a/framework/h/serialize.go
+++ b/framework/h/serialize.go
@@ -6,6 +6,9 @@ import (
 
 // JsonSerializeOrEmpty serializes the given data as JSON, or returns an empty string if the serialization fails.
 func JsonSerializeOrEmpty(data any) string {
+	if data == nil {
+		return ""
+	}
 	serialized, err := json.Marshal(data)
 	if err != nil {
 		return ""
diff --git a/framework/h/serialize_test.go b/framework/h/serialize_test.go
new file mode 100644
index 00000000..a18a62f7
--- /dev/null
+++ b/framework/h/serialize_test.go
@@ -0,0 +1,28 @@
+package h
+
+import (
+	"github.com/stretchr/testify/assert"
+	"testing"
+)
+
+func TestSerialize(t *testing.T) {
+	t.Parallel()
+	data := map[string]any{
+		"hello": "world",
+		"foo":   "bar",
+	}
+	serialized := JsonSerializeOrEmpty(data)
+	assert.Equal(t, `{"foo":"bar","hello":"world"}`, serialized)
+}
+
+func TestSerializeNil(t *testing.T) {
+	t.Parallel()
+	serialized := JsonSerializeOrEmpty(nil)
+	assert.Equal(t, "", serialized)
+}
+
+func TestSerializeInvalid(t *testing.T) {
+	t.Parallel()
+	serialized := JsonSerializeOrEmpty(func() {})
+	assert.Equal(t, "", serialized)
+}
diff --git a/framework/h/swap_test.go b/framework/h/swap_test.go
new file mode 100644
index 00000000..849a2c53
--- /dev/null
+++ b/framework/h/swap_test.go
@@ -0,0 +1,88 @@
+package h
+
+import (
+	"github.com/maddalax/htmgo/framework/hx"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestNewSwap(t *testing.T) {
+	content := Div()
+	option := SwapOption{Selector: "#myDiv", SwapType: hx.SwapTypeInnerHtml, Modifier: "test-mod"}
+	swapArg := NewSwap(content, option)
+
+	assert.Equal(t, content, swapArg.Content)
+	assert.Equal(t, option, swapArg.Option)
+}
+
+func TestOobSwap(t *testing.T) {
+	ctx := &RequestContext{isHxRequest: true}
+	content := Div()
+
+	result := OobSwap(ctx, content)
+	assert.NotNil(t, result)
+	assert.Equal(t, 1, len(result.children))
+	assert.Equal(t, Attribute(hx.SwapOobAttr, hx.SwapTypeTrue), result.children[0])
+
+	// Test with a nil context
+	result = OobSwap(nil, content)
+	assert.Equal(t, Empty(), result)
+
+	// Test with non-HX request
+	ctx.isHxRequest = false
+	result = OobSwap(ctx, content)
+	assert.Equal(t, Empty(), result)
+}
+
+func TestOobSwapWithSelector(t *testing.T) {
+	ctx := &RequestContext{isHxRequest: true}
+	content := Div()
+
+	result := OobSwapWithSelector(ctx, "#selector", content)
+	assert.NotNil(t, result)
+	assert.Equal(t, 1, len(result.children))
+	assert.Equal(t, Attribute(hx.SwapOobAttr, "#selector"), result.children[0])
+}
+
+func TestSwapMany(t *testing.T) {
+	ctx := &RequestContext{isHxRequest: true}
+	element1 := Div()
+	element2 := Span()
+
+	result := SwapMany(ctx, element1, element2)
+	assert.NotNil(t, result)
+	assert.Equal(t, 2, len(result.children))
+	assert.Equal(t, element1, result.children[0])
+	assert.Equal(t, element2, result.children[1])
+	assert.Equal(t, Attribute(hx.SwapOobAttr, hx.SwapTypeTrue), element1.children[0])
+	assert.Equal(t, Attribute(hx.SwapOobAttr, hx.SwapTypeTrue), element2.children[0])
+
+	// Test with non-HX request
+	ctx.isHxRequest = false
+	result = SwapMany(ctx, element1, element2)
+	assert.Equal(t, Empty(), result)
+}
+
+func TestSwapManyX(t *testing.T) {
+	ctx := &RequestContext{isHxRequest: true}
+	content1 := Div()
+	content2 := Span()
+	option := SwapOption{SwapType: hx.SwapTypeBeforeEnd}
+
+	arg1 := NewSwap(content1)
+	arg2 := NewSwap(content2, option)
+
+	result := SwapManyX(ctx, arg1, arg2)
+	assert.NotNil(t, result)
+	assert.Equal(t, 2, len(result.children))
+	assert.Equal(t, content1, result.children[0])
+	assert.Equal(t, content2, result.children[1])
+	assert.Equal(t, Attribute(hx.SwapOobAttr, hx.SwapTypeTrue), content1.children[0])
+	assert.Equal(t, Attribute(hx.SwapOobAttr, hx.SwapTypeBeforeEnd), content2.children[0])
+
+	// Test with non-HX request
+	ctx.isHxRequest = false
+	result = SwapManyX(ctx, arg1, arg2)
+	assert.Equal(t, Empty(), result)
+}
diff --git a/framework/h/tag_test.go b/framework/h/tag_test.go
new file mode 100644
index 00000000..765c4d5a
--- /dev/null
+++ b/framework/h/tag_test.go
@@ -0,0 +1,168 @@
+package h
+
+import (
+	"github.com/stretchr/testify/assert"
+	"testing"
+)
+
+func TestTagFunctions(t *testing.T) {
+	tests := []struct {
+		name     string
+		element  *Element
+		expected string
+	}{
+		{"Div", Div(), "div"},
+		{"Span", Span(), "span"},
+		{"Button", Button(), "button"},
+		{"P", P(), "p"},
+		{"H1", H1(), "h1"},
+		{"H2", H2(), "h2"},
+		{"H3", H3(), "h3"},
+		{"H4", H4(), "h4"},
+		{"H5", H5(), "h5"},
+		{"H6", H6(), "h6"},
+		{"Img", Img(), "img"},
+		{"Video", Video(), "video"},
+		{"Form", Form(), "form"},
+		{"A", A(), "a"},
+		{"Nav", Nav(), "nav"},
+		{"Section", Section(), "section"},
+		{"Aside", Aside(), "aside"},
+		{"Header", Header(), "header"},
+		{"Footer", Footer(), "footer"},
+		{"Main", Main(), "main"},
+		{"Ul", Ul(), "ul"},
+		{"Li", Li(), "li"},
+		{"Br", Br(), "br"},
+		{"Hr", Hr(), "hr"},
+		{"Ol", Ol(), "ol"},
+		{"Table", Table(), "table"},
+		{"Tr", Tr(), "tr"},
+		{"Td", Td(), "td"},
+		{"Th", Th(), "th"},
+		{"THead", THead(), "thead"},
+		{"TBody", TBody(), "tbody"},
+		{"TFoot", TFoot(), "tfoot"},
+		{"Abbr", Abbr(), "abbr"},
+		{"Strong", Strong(), "strong"},
+		{"Code", Code(), "code"},
+		{"Title", Title(), "title"},
+		{"Dialog", Dialog(), "dialog"},
+		{"FieldSet", FieldSet(), "fieldset"},
+		{"Option", Option(), "option"},
+		{"Select", Select(), "select"},
+		{"Template", Template(), "template"},
+		{"Label", Label(), "label"},
+		{"Address", Address(), "address"},
+		{"Pre", Pre(), "pre"},
+		{"Article", Article(), "article"},
+		{"Summary", Summary(), "summary"},
+		{"Details", Details(), "details"},
+		{"Svg", Svg(), "svg"},
+		{"Path", Path(), "path"},
+		{"Html", Html(), "html"},
+		{"Head", Head(), "head"},
+		{"Body", Body(), "body"},
+		{"Meta", Meta("description", "test"), "meta"},
+		{"Link", Link("style.css", "stylesheet"), "link"},
+		{"LinkWithVersion", LinkWithVersion("style.css", "stylesheet", "1.0"), "link"},
+		{"Script", Script("script.js"), "script"},
+		{"ScriptWithVersion", ScriptWithVersion("script.js", "1.0"), "script"},
+		{"Style", Style("body {background: #000;}"), "style"},
+		{"Pre", Pre(), "pre"},
+		{"Article", Article(), "article"},
+		{"Checkbox", Checkbox(), "input"},
+		{"TextArea", TextArea(), "textarea"},
+		{"TextInput", TextInput(), "input"},
+		{"NumberInput", NumberInput(), "input"},
+		{"FileInput", FileInput(), "input"},
+		{"Radio", Radio(), "input"},
+		{"Fragment", Fragment(), ""},
+		{"Template", Template(), "template"},
+		{"IFrame", IFrame("example.com"), "iframe"},
+		{"LabelFor", LabelFor("input-id", "Input Label"), "label"},
+		{"I", I(), "i"},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			assert.Equal(t, tt.expected, tt.element.tag)
+		})
+	}
+}
+
+func TestList(t *testing.T) {
+	t.Parallel()
+	items := []string{"hello", "world"}
+	list := Ul(List(items, func(item string, index int) *Element {
+		return Li(Text(item))
+	}))
+	assert.Equal(t, `<ul><li>hello</li><li>world</li></ul>`, Render(list))
+}
+
+func TestIterMap(t *testing.T) {
+	t.Parallel()
+	items := map[string]string{
+		"hello": "world",
+	}
+	list := Ul(IterMap(items, func(key string, value string) *Element {
+		return Li(Text(key), Text(value))
+	}))
+	assert.Equal(t, `<ul><li>helloworld</li></ul>`, Render(list))
+}
+
+func TestUnsafeRaw(t *testing.T) {
+	t.Parallel()
+	element := UnsafeRaw("<div>Hello World</div>")
+	assert.Equal(t, "<div>Hello World</div>", Render(element))
+}
+
+func TestUnsafeRawScript(t *testing.T) {
+	t.Parallel()
+	element := UnsafeRawScript("alert('Hello World')")
+	assert.Equal(t, "<script>alert('Hello World')</script>", Render(element))
+}
+
+func TestUnsafeRawF(t *testing.T) {
+	t.Parallel()
+	element := UnsafeRawF("Hello %s", "World")
+	assert.Equal(t, "Hello World", Render(element))
+}
+
+func TestMultiLineQuotes(t *testing.T) {
+	t.Parallel()
+	element := MultiLineQuotes("Hello World")
+	assert.Equal(t, "`Hello World`", element)
+}
+
+func TestValue(t *testing.T) {
+	t.Parallel()
+	assert.Equal(t, ` value="Hello World"`, Render(Value("Hello World")))
+	assert.Equal(t, ` value="1"`, Render(Value(1)))
+	assert.Equal(t, ` value="true"`, Render(Value(true)))
+}
+
+func TestAppendChildren(t *testing.T) {
+	t.Parallel()
+	element := Div()
+	element.AppendChildren(Div(), Div())
+	assert.Equal(t, "<div><div></div><div></div></div>", Render(element))
+}
+
+func TestTagF(t *testing.T) {
+	t.Parallel()
+	element := TagF("div", "Hello %s", "World")
+	assert.Equal(t, "<div>Hello World</div>", Render(element))
+
+	element2 := TagF("div", "Hello World", Class("my-class"))
+	assert.Equal(t, "<div class=\"my-class\">Hello World</div>", Render(element2))
+
+	element3 := TagF("div", "Value", P(Text("Hello World")))
+	assert.Equal(t, "<div>Value<p>Hello World</p></div>", Render(element3))
+}
+
+func TestTag(t *testing.T) {
+	t.Parallel()
+	element := Tag("div")
+	assert.Equal(t, "<div></div>", Render(element))
+}