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|
package flamegraph
import (
"errors"
"testing"
coreflamegraph "ior/internal/flamegraph"
)
type setHeightErrorTrie struct {
*coreflamegraph.LiveTrie
err error
}
func (t *setHeightErrorTrie) SetHeightField(string) error {
return t.err
}
type forcedHeightFieldTrie struct {
*coreflamegraph.LiveTrie
field string
}
func (t *forcedHeightFieldTrie) HeightField() string {
return t.field
}
func TestToggleHeightFieldErrorKeepsExistingState(t *testing.T) {
base := coreflamegraph.NewLiveTrie([]string{"comm", "path", "tracepoint"}, "count", "")
liveTrie := &setHeightErrorTrie{
LiveTrie: base,
err: errors.New("set-height failed"),
}
m := NewModel(liveTrie)
m.snapshot = &snapshotNode{Name: "root", Total: 10}
m.frames = []tuiFrame{{Name: "root", Path: "root", Total: 10}}
m.toggleHeightField()
if got, want := m.heightField, ""; got != want {
t.Fatalf("heightField = %q, want %q on SetHeightField error", got, want)
}
if got, want := m.statusMessage, "Height toggle error: set-height failed"; got != want {
t.Fatalf("statusMessage = %q, want %q", got, want)
}
if m.snapshot == nil || len(m.frames) == 0 {
t.Fatalf("expected snapshot/layout state to remain intact on SetHeightField error")
}
}
func TestHeightFieldLabelReturnsRawValueForUnknownField(t *testing.T) {
m := NewModel(nil)
m.heightField = "custom-height"
if got, want := m.heightFieldLabel(), "custom-height"; got != want {
t.Fatalf("heightFieldLabel() = %q, want %q", got, want)
}
}
func TestSyncHeightFieldToTrieNilLiveTrieClearsField(t *testing.T) {
m := NewModel(nil)
m.heightField = "bytes"
m.syncHeightFieldToTrie()
if got, want := m.heightField, ""; got != want {
t.Fatalf("heightField = %q, want %q for nil liveTrie", got, want)
}
}
func TestSyncHeightFieldToTrieUnknownFieldFallsBackToOff(t *testing.T) {
base := coreflamegraph.NewLiveTrie([]string{"comm", "path", "tracepoint"}, "count", "")
liveTrie := &forcedHeightFieldTrie{
LiveTrie: base,
field: "mystery",
}
m := NewModel(nil)
m.liveTrie = liveTrie
m.heightField = "duration"
m.syncHeightFieldToTrie()
if got, want := m.heightField, ""; got != want {
t.Fatalf("heightField = %q, want %q for unknown trie height field", got, want)
}
}
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