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package tui
import (
"fmt"
"io"
"testing"
)
func TestNopStreamWriter_WritesSucceed(t *testing.T) {
w := &nopStreamWriter{}
n, err := w.Write([]byte("hello"))
if err != nil {
t.Fatalf("Write error: %v", err)
}
if n != 5 {
t.Fatalf("Write n = %d, want 5", n)
}
}
func TestNopStreamWriter_CloseSucceeds(t *testing.T) {
w := &nopStreamWriter{}
if err := w.Close(); err != nil {
t.Fatalf("Close error: %v", err)
}
}
func TestInlineStreamWriter_WriteAfterClose(t *testing.T) {
app, _ := newInlineTestApp(80, 24, 3)
w := newInlineStreamWriter(app)
_ = w.Close()
runQueuedUpdates(app)
_, err := w.Write([]byte("after close"))
if err != io.ErrClosedPipe {
t.Fatalf("Write after Close: err = %v, want io.ErrClosedPipe", err)
}
}
func TestInlineStreamWriter_DoubleCloseNoop(t *testing.T) {
app, _ := newInlineTestApp(80, 24, 3)
w := newInlineStreamWriter(app)
if err := w.Close(); err != nil {
t.Fatalf("first Close: %v", err)
}
if err := w.Close(); err != nil {
t.Fatalf("second Close: %v", err)
}
}
func TestInlineStreamWriter_StreamsToHistory(t *testing.T) {
app, emu := newInlineTestApp(80, 24, 3)
w := newInlineStreamWriter(app)
fmt.Fprint(w, "streaming")
runQueuedUpdates(app)
historyBottom := app.inlineStartRow - 1
got := emu.ScreenRow(historyBottom)
if got != "streaming" {
t.Fatalf("history row = %q, want %q\n%s", got, "streaming", emu.DumpState())
}
_ = w.Close()
}
func TestInlineStreamWriter_NewlineFinalizesRow(t *testing.T) {
app, emu := newInlineTestApp(80, 24, 3)
w := newInlineStreamWriter(app)
fmt.Fprintln(w, "line1")
fmt.Fprint(w, "line2")
runQueuedUpdates(app)
if got := emu.ScreenRow(app.inlineStartRow - 2); got != "line1" {
t.Fatalf("row -2 = %q, want %q\n%s", got, "line1", emu.DumpState())
}
if got := emu.ScreenRow(app.inlineStartRow - 1); got != "line2" {
t.Fatalf("row -1 = %q, want %q\n%s", got, "line2", emu.DumpState())
}
_ = w.Close()
}
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