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|
package provider
import (
"strings"
"testing"
"github.com/grindlemire/go-tui/internal/tuigen"
)
func newTestHoverProvider(index ComponentIndex) *hoverProvider {
return &hoverProvider{
index: index,
goplsProxy: &nilGoplsProxy{},
virtualFiles: &nilVirtualFiles{},
}
}
func TestHover_Element(t *testing.T) {
type tc struct {
word string
wantNil bool
wantIn string
}
tests := map[string]tc{
"div element": {
word: "div",
wantIn: "<div>",
},
"span element": {
word: "span",
wantIn: "<span>",
},
"unknown element": {
word: "foobar",
wantNil: true,
},
}
index := newStubIndex()
hp := newTestHoverProvider(index)
for name, tt := range tests {
t.Run(name, func(t *testing.T) {
doc := parseTestDoc("package test")
ctx := makeCtx(doc, NodeKindUnknown, tt.word)
result, err := hp.Hover(ctx)
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
if tt.wantNil {
if result != nil {
t.Errorf("expected nil, got %+v", result)
}
return
}
if result == nil {
t.Fatal("expected non-nil hover result")
}
if !strings.Contains(result.Contents.Value, tt.wantIn) {
t.Errorf("hover content %q does not contain %q", result.Contents.Value, tt.wantIn)
}
})
}
}
func TestHover_Keyword(t *testing.T) {
type tc struct {
word string
wantNil bool
wantIn string
}
tests := map[string]tc{
"package keyword": {
word: "package",
wantIn: "package",
},
"for keyword": {
word: "for",
wantIn: "for",
},
"if keyword": {
word: "if",
wantIn: "if",
},
"let keyword": {
word: "let",
wantNil: true,
},
"unknown word": {
word: "foobar",
wantNil: true,
},
}
index := newStubIndex()
hp := newTestHoverProvider(index)
for name, tt := range tests {
t.Run(name, func(t *testing.T) {
doc := parseTestDoc("package test")
ctx := makeCtx(doc, NodeKindUnknown, tt.word)
result, err := hp.Hover(ctx)
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
if tt.wantNil {
if result != nil {
t.Errorf("expected nil hover for %q, got content", tt.word)
}
return
}
if result == nil {
t.Fatal("expected non-nil hover result")
}
if result.Contents.Kind != "markdown" {
t.Errorf("expected markdown, got %q", result.Contents.Kind)
}
})
}
}
func TestHover_ComponentFromIndex(t *testing.T) {
index := newStubIndex()
index.components["Header"] = &ComponentInfo{
Name: "Header",
Params: []*tuigen.Param{
{Name: "title", Type: "string"},
},
}
hp := newTestHoverProvider(index)
doc := parseTestDoc("package test")
ctx := makeCtx(doc, NodeKindUnknown, "Header")
result, err := hp.Hover(ctx)
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
if result == nil {
t.Fatal("expected hover result for component")
}
if !strings.Contains(result.Contents.Value, "Header") {
t.Errorf("hover should mention component name, got: %s", result.Contents.Value)
}
if !strings.Contains(result.Contents.Value, "title string") {
t.Errorf("hover should mention param signature, got: %s", result.Contents.Value)
}
}
func TestHover_FunctionFromIndex(t *testing.T) {
index := newStubIndex()
index.functions["helper"] = &FuncInfo{
Name: "helper",
Signature: "func helper(s string) string",
}
hp := newTestHoverProvider(index)
doc := parseTestDoc("package test")
ctx := makeCtx(doc, NodeKindUnknown, "helper")
result, err := hp.Hover(ctx)
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
if result == nil {
t.Fatal("expected hover result for function")
}
if !strings.Contains(result.Contents.Value, "helper") {
t.Errorf("hover should mention function name, got: %s", result.Contents.Value)
}
}
func TestHover_Parameter(t *testing.T) {
index := newStubIndex()
index.params["Header.title"] = &ParamInfo{
Name: "title",
Type: "string",
ComponentName: "Header",
}
hp := newTestHoverProvider(index)
src := `package test
templ Header(title string) {
<div>{title}</div>
}
`
doc := parseTestDoc(src)
comp := doc.AST.Components[0]
ctx := makeCtx(doc, NodeKindUnknown, "title")
ctx.Scope.Component = comp
result, err := hp.Hover(ctx)
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
if result == nil {
t.Fatal("expected hover result for parameter")
}
if !strings.Contains(result.Contents.Value, "title") {
t.Errorf("hover should mention param name, got: %s", result.Contents.Value)
}
if !strings.Contains(result.Contents.Value, "string") {
t.Errorf("hover should mention param type, got: %s", result.Contents.Value)
}
}
func TestHover_EventHandler(t *testing.T) {
index := newStubIndex()
hp := newTestHoverProvider(index)
doc := parseTestDoc("package test")
ctx := makeCtx(doc, NodeKindEventHandler, "onFocus")
ctx.AttrName = "onFocus"
result, err := hp.Hover(ctx)
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
if result == nil {
t.Fatal("expected hover result for event handler")
}
if !strings.Contains(result.Contents.Value, "onFocus") {
t.Errorf("hover should mention event handler name, got: %s", result.Contents.Value)
}
}
func TestHover_TailwindInClass(t *testing.T) {
index := newStubIndex()
hp := newTestHoverProvider(index)
content := `<div class="flex-col p-2">`
doc := &Document{URI: "file:///test.gsx", Content: content, Version: 1}
classIdx := strings.Index(content, "flex-col")
ctx := &CursorContext{
Document: doc,
Position: Position{Line: 0, Character: classIdx + 2},
Offset: classIdx + 2,
NodeKind: NodeKindTailwindClass,
Word: "flex-col",
InClassAttr: true,
Scope: &Scope{},
}
result, err := hp.Hover(ctx)
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
if result == nil {
t.Fatal("expected hover result for tailwind class")
}
if !strings.Contains(result.Contents.Value, "flex-col") {
t.Errorf("hover should mention class name, got: %s", result.Contents.Value)
}
}
func TestHover_RefAttr(t *testing.T) {
src := `package test
templ Layout() {
<div ref={header} class="p-1">content</div>
}
`
doc := parseTestDoc(src)
elem := doc.AST.Components[0].Body[0].(*tuigen.Element)
index := newStubIndex()
hp := newTestHoverProvider(index)
ctx := makeCtx(doc, NodeKindRefAttr, "header")
ctx.Node = elem
ctx.Scope.Refs = []tuigen.RefInfo{
{Name: "header", ExportName: "Header", Element: elem},
}
result, err := hp.Hover(ctx)
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
if result == nil {
t.Fatal("expected hover result for ref attr")
}
if !strings.Contains(result.Contents.Value, "Element Ref") {
t.Errorf("hover should mention 'Element Ref', got: %s", result.Contents.Value)
}
if !strings.Contains(result.Contents.Value, "header") {
t.Errorf("hover should mention ref name, got: %s", result.Contents.Value)
}
}
func TestHover_StateDecl(t *testing.T) {
index := newStubIndex()
hp := newTestHoverProvider(index)
doc := parseTestDoc("package test")
ctx := makeCtx(doc, NodeKindStateDecl, "count")
ctx.Scope.StateVars = []tuigen.StateVar{
{Name: "count", Type: "int", InitExpr: "0"},
}
result, err := hp.Hover(ctx)
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
if result == nil {
t.Fatal("expected hover result for state decl")
}
if !strings.Contains(result.Contents.Value, "State Variable") {
t.Errorf("hover should mention 'State Variable', got: %s", result.Contents.Value)
}
}
|