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|
package tui
import (
"testing"
)
func TestRef_SetAndGet(t *testing.T) {
type tc struct {
setup func() (*Ref, *Element)
wantNil bool
wantSame bool
}
tests := map[string]tc{
"set and get returns same element": {
setup: func() (*Ref, *Element) {
r := NewRef()
el := New()
r.Set(el)
return r, el
},
wantNil: false,
wantSame: true,
},
"overwrite returns latest element": {
setup: func() (*Ref, *Element) {
r := NewRef()
r.Set(New())
el := New()
r.Set(el)
return r, el
},
wantNil: false,
wantSame: true,
},
}
for name, tt := range tests {
t.Run(name, func(t *testing.T) {
r, el := tt.setup()
got := r.El()
if tt.wantNil && got != nil {
t.Error("El() should return nil")
}
if tt.wantSame && got != el {
t.Error("El() should return the same element that was Set()")
}
})
}
}
func TestRef_IsSet(t *testing.T) {
type tc struct {
setup func() *Ref
want bool
}
tests := map[string]tc{
"false before set": {
setup: func() *Ref {
return NewRef()
},
want: false,
},
"true after set": {
setup: func() *Ref {
r := NewRef()
r.Set(New())
return r
},
want: true,
},
}
for name, tt := range tests {
t.Run(name, func(t *testing.T) {
r := tt.setup()
if r.IsSet() != tt.want {
t.Errorf("IsSet() = %v, want %v", r.IsSet(), tt.want)
}
})
}
}
func TestRef_NilBeforeSet(t *testing.T) {
r := NewRef()
if r.El() != nil {
t.Error("El() should return nil before Set() is called")
}
}
func TestRefList_AppendAndAll(t *testing.T) {
type tc struct {
count int
}
tests := map[string]tc{
"empty list": {count: 0},
"single element": {count: 1},
"multiple elements": {count: 5},
}
for name, tt := range tests {
t.Run(name, func(t *testing.T) {
r := NewRefList()
elems := make([]*Element, tt.count)
for i := 0; i < tt.count; i++ {
elems[i] = New()
r.Append(elems[i])
}
all := r.All()
if len(all) != tt.count {
t.Errorf("All() len = %d, want %d", len(all), tt.count)
}
for i, el := range all {
if el != elems[i] {
t.Errorf("All()[%d] is not the expected element", i)
}
}
})
}
}
func TestRefList_At(t *testing.T) {
type tc struct {
index int
wantNil bool
}
r := NewRefList()
el0 := New()
el1 := New()
el2 := New()
r.Append(el0)
r.Append(el1)
r.Append(el2)
tests := map[string]tc{
"valid index 0": {index: 0, wantNil: false},
"valid index 1": {index: 1, wantNil: false},
"valid index 2": {index: 2, wantNil: false},
"out of bounds high": {index: 3, wantNil: true},
"out of bounds negative": {index: -1, wantNil: true},
}
elems := []*Element{el0, el1, el2}
for name, tt := range tests {
t.Run(name, func(t *testing.T) {
got := r.At(tt.index)
if tt.wantNil {
if got != nil {
t.Error("At() should return nil for out of bounds index")
}
} else {
if got != elems[tt.index] {
t.Error("At() should return the correct element")
}
}
})
}
}
func TestRefList_Len(t *testing.T) {
type tc struct {
count int
}
tests := map[string]tc{
"empty": {count: 0},
"one": {count: 1},
"multiple": {count: 3},
}
for name, tt := range tests {
t.Run(name, func(t *testing.T) {
r := NewRefList()
for i := 0; i < tt.count; i++ {
r.Append(New())
}
if r.Len() != tt.count {
t.Errorf("Len() = %d, want %d", r.Len(), tt.count)
}
})
}
}
func TestRefMap_PutAndGet(t *testing.T) {
type tc struct {
key string
wantNil bool
}
r := NewRefMap[string]()
elA := New()
elB := New()
r.Put("a", elA)
r.Put("b", elB)
tests := map[string]tc{
"existing key a": {key: "a", wantNil: false},
"existing key b": {key: "b", wantNil: false},
"missing key": {key: "c", wantNil: true},
}
expected := map[string]*Element{"a": elA, "b": elB}
for name, tt := range tests {
t.Run(name, func(t *testing.T) {
got := r.Get(tt.key)
if tt.wantNil {
if got != nil {
t.Error("Get() should return nil for missing key")
}
} else {
if got != expected[tt.key] {
t.Error("Get() should return the correct element")
}
}
})
}
}
func TestRefMap_All(t *testing.T) {
r := NewRefMap[string]()
elA := New()
elB := New()
r.Put("a", elA)
r.Put("b", elB)
all := r.All()
if len(all) != 2 {
t.Errorf("All() len = %d, want 2", len(all))
}
if all["a"] != elA {
t.Error("All()[\"a\"] should be elA")
}
if all["b"] != elB {
t.Error("All()[\"b\"] should be elB")
}
}
func TestRefMap_GetMissing(t *testing.T) {
r := NewRefMap[string]()
if r.Get("nonexistent") != nil {
t.Error("Get() should return nil for missing key")
}
}
type stubComponent struct{}
func (s *stubComponent) Render(app *App) *Element { return New() }
type otherComponent struct{}
func (o *otherComponent) Render(app *App) *Element { return New() }
func TestRefComponent(t *testing.T) {
type tc struct {
setup func() *Ref
want bool
}
tests := map[string]tc{
"returns typed component": {
setup: func() *Ref {
r := NewRef()
el := New()
el.component = &stubComponent{}
r.Set(el)
return r
},
want: true,
},
"nil ref": {
setup: func() *Ref {
return nil
},
want: false,
},
"no element set": {
setup: func() *Ref {
return NewRef()
},
want: false,
},
"element has no component": {
setup: func() *Ref {
r := NewRef()
r.Set(New())
return r
},
want: false,
},
"type mismatch": {
setup: func() *Ref {
r := NewRef()
el := New()
el.component = &otherComponent{}
r.Set(el)
return r
},
want: false,
},
}
for name, tt := range tests {
t.Run(name, func(t *testing.T) {
ref := tt.setup()
got := RefComponent[*stubComponent](ref)
if tt.want && got == nil {
t.Error("RefComponent() should return non-nil component")
}
if !tt.want && got != nil {
t.Error("RefComponent() should return nil")
}
})
}
}
func TestRefMap_Len(t *testing.T) {
type tc struct {
count int
}
tests := map[string]tc{
"empty": {count: 0},
"one": {count: 1},
"multiple": {count: 3},
}
for name, tt := range tests {
t.Run(name, func(t *testing.T) {
r := NewRefMap[int]()
for i := 0; i < tt.count; i++ {
r.Put(i, New())
}
if r.Len() != tt.count {
t.Errorf("Len() = %d, want %d", r.Len(), tt.count)
}
})
}
}
|