forked from Mirrors/bubbletea
66 lines
1.3 KiB
Go
66 lines
1.3 KiB
Go
package tea
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import (
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"bytes"
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"io"
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"testing"
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)
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func TestScreen(t *testing.T) {
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exercise := func(t *testing.T, fn func(io.Writer), expect []byte) {
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var w bytes.Buffer
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fn(&w)
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if !bytes.Equal(w.Bytes(), expect) {
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t.Errorf("expected %q, got %q", expect, w.Bytes())
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}
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}
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t.Run("change scrolling region", func(t *testing.T) {
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exercise(t, func(w io.Writer) {
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changeScrollingRegion(w, 16, 22)
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}, []byte("\x1b[16;22r"))
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})
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t.Run("line", func(t *testing.T) {
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t.Run("clear", func(t *testing.T) {
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exercise(t, clearLine, []byte("\x1b[2K"))
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})
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t.Run("insert", func(t *testing.T) {
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exercise(t, func(w io.Writer) {
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insertLine(w, 12)
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}, []byte("\x1b[12L"))
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})
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})
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t.Run("cursor", func(t *testing.T) {
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t.Run("hide", func(t *testing.T) {
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exercise(t, hideCursor, []byte("\x1b[?25l"))
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})
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t.Run("show", func(t *testing.T) {
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exercise(t, showCursor, []byte("\x1b[?25h"))
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})
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t.Run("up", func(t *testing.T) {
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exercise(t, cursorUp, []byte("\x1b[1A"))
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})
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t.Run("down", func(t *testing.T) {
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exercise(t, cursorDown, []byte("\x1b[1B"))
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})
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t.Run("move", func(t *testing.T) {
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exercise(t, func(w io.Writer) {
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moveCursor(w, 10, 20)
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}, []byte("\x1b[10;20H"))
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})
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t.Run("back", func(t *testing.T) {
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exercise(t, func(w io.Writer) {
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cursorBack(w, 15)
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}, []byte("\x1b[15D"))
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})
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})
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}
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