mirror of https://github.com/liamg/aminal.git
638 lines
16 KiB
Go
638 lines
16 KiB
Go
package buffer
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import (
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"strings"
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"testing"
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"github.com/stretchr/testify/require"
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"github.com/stretchr/testify/assert"
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)
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func TestTabbing(t *testing.T) {
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b := NewBuffer(NewTerminalState(30, 3, CellAttributes{}, 1000))
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b.Write([]rune("hello")...)
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b.Tab()
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b.Write([]rune("x")...)
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b.Tab()
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b.Write([]rune("goodbye")...)
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b.CarriageReturn()
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b.NewLine()
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b.Write([]rune("hell")...)
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b.Tab()
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b.Write([]rune("xxx")...)
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b.Tab()
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b.Write([]rune("good")...)
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b.CarriageReturn()
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b.NewLine()
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expected := `
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hello x goodbye
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hell xxx good
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`
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lines := b.GetVisibleLines()
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strs := []string{}
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for _, l := range lines {
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strs = append(strs, l.String())
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}
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require.Equal(t, strings.TrimSpace(expected), strings.TrimSpace(strings.Join(strs, "\n")))
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}
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func TestOffsets(t *testing.T) {
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b := NewBuffer(NewTerminalState(10, 3, CellAttributes{}, 1000))
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b.Write([]rune("hello")...)
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b.CarriageReturn()
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b.NewLine()
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b.Write([]rune("hello")...)
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b.CarriageReturn()
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b.NewLine()
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b.Write([]rune("hello")...)
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b.CarriageReturn()
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b.NewLine()
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b.Write([]rune("hello")...)
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b.CarriageReturn()
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b.NewLine()
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b.Write([]rune("hello")...)
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assert.Equal(t, uint16(10), b.ViewWidth())
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assert.Equal(t, uint16(10), b.Width())
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assert.Equal(t, uint16(3), b.ViewHeight())
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assert.Equal(t, 5, b.Height())
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}
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func TestBufferCreation(t *testing.T) {
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b := NewBuffer(NewTerminalState(10, 20, CellAttributes{}, 1000))
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assert.Equal(t, uint16(10), b.Width())
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assert.Equal(t, uint16(20), b.ViewHeight())
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assert.Equal(t, uint16(0), b.CursorColumn())
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assert.Equal(t, uint16(0), b.CursorLine())
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assert.NotNil(t, b.lines)
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}
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func TestBufferWriteIncrementsCursorCorrectly(t *testing.T) {
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b := NewBuffer(NewTerminalState(5, 4, CellAttributes{}, 1000))
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/*01234
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|-----
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0|xxxxx
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1|
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2|
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3|
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|-----
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*/
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b.Write('x')
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require.Equal(t, uint16(1), b.CursorColumn())
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require.Equal(t, uint16(0), b.CursorLine())
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b.Write('x')
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require.Equal(t, uint16(2), b.CursorColumn())
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require.Equal(t, uint16(0), b.CursorLine())
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b.Write('x')
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require.Equal(t, uint16(3), b.CursorColumn())
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require.Equal(t, uint16(0), b.CursorLine())
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b.Write('x')
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require.Equal(t, uint16(4), b.CursorColumn())
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require.Equal(t, uint16(0), b.CursorLine())
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b.Write('x')
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require.Equal(t, uint16(5), b.CursorColumn())
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require.Equal(t, uint16(0), b.CursorLine())
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b.Write('x')
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require.Equal(t, uint16(1), b.CursorColumn())
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require.Equal(t, uint16(1), b.CursorLine())
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b.Write('x')
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require.Equal(t, uint16(2), b.CursorColumn())
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require.Equal(t, uint16(1), b.CursorLine())
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lines := b.GetVisibleLines()
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require.Equal(t, 2, len(lines))
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assert.Equal(t, "xxxxx", lines[0].String())
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assert.Equal(t, "xx", lines[1].String())
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}
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func TestWritingNewLineAsFirstRuneOnWrappedLine(t *testing.T) {
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b := NewBuffer(NewTerminalState(3, 20, CellAttributes{}, 1000))
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b.Write('a', 'b', 'c')
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assert.Equal(t, uint16(3), b.terminalState.cursorX)
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assert.Equal(t, uint16(0), b.terminalState.cursorY)
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b.NewLine()
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assert.Equal(t, uint16(0), b.terminalState.cursorX)
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assert.Equal(t, uint16(1), b.terminalState.cursorY)
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b.Write('d', 'e', 'f')
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assert.Equal(t, uint16(3), b.terminalState.cursorX)
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assert.Equal(t, uint16(1), b.terminalState.cursorY)
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b.NewLine()
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assert.Equal(t, uint16(0), b.terminalState.cursorX)
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assert.Equal(t, uint16(2), b.terminalState.cursorY)
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require.Equal(t, 3, len(b.lines))
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assert.Equal(t, "abc", b.lines[0].String())
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assert.Equal(t, "def", b.lines[1].String())
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}
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func TestWritingNewLineAsSecondRuneOnWrappedLine(t *testing.T) {
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b := NewBuffer(NewTerminalState(3, 20, CellAttributes{}, 1000))
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/*
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|abc
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|d
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|ef
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|z
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*/
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b.Write('a', 'b', 'c', 'd')
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b.NewLine()
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b.Write('e', 'f')
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b.NewLine()
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b.NewLine()
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b.NewLine()
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b.Write('z')
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assert.Equal(t, "abc", b.lines[0].String())
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assert.Equal(t, "d", b.lines[1].String())
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assert.Equal(t, "ef", b.lines[2].String())
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assert.Equal(t, "", b.lines[3].String())
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assert.Equal(t, "", b.lines[4].String())
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assert.Equal(t, "z", b.lines[5].String())
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}
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func TestSetPosition(t *testing.T) {
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b := NewBuffer(NewTerminalState(120, 80, CellAttributes{}, 1000))
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assert.Equal(t, 0, int(b.CursorColumn()))
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assert.Equal(t, 0, int(b.CursorLine()))
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b.SetPosition(60, 10)
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assert.Equal(t, 60, int(b.CursorColumn()))
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assert.Equal(t, 10, int(b.CursorLine()))
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b.SetPosition(0, 0)
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assert.Equal(t, 0, int(b.CursorColumn()))
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assert.Equal(t, 0, int(b.CursorLine()))
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b.SetPosition(120, 90)
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assert.Equal(t, 119, int(b.CursorColumn()))
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assert.Equal(t, 79, int(b.CursorLine()))
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}
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func TestMovePosition(t *testing.T) {
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b := NewBuffer(NewTerminalState(120, 80, CellAttributes{}, 1000))
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assert.Equal(t, 0, int(b.CursorColumn()))
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assert.Equal(t, 0, int(b.CursorLine()))
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b.MovePosition(-1, -1)
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assert.Equal(t, 0, int(b.CursorColumn()))
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assert.Equal(t, 0, int(b.CursorLine()))
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b.MovePosition(30, 20)
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assert.Equal(t, 30, int(b.CursorColumn()))
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assert.Equal(t, 20, int(b.CursorLine()))
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b.MovePosition(30, 20)
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assert.Equal(t, 60, int(b.CursorColumn()))
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assert.Equal(t, 40, int(b.CursorLine()))
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b.MovePosition(-1, -1)
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assert.Equal(t, 59, int(b.CursorColumn()))
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assert.Equal(t, 39, int(b.CursorLine()))
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b.MovePosition(100, 100)
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assert.Equal(t, 119, int(b.CursorColumn()))
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assert.Equal(t, 79, int(b.CursorLine()))
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}
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func TestVisibleLines(t *testing.T) {
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b := NewBuffer(NewTerminalState(80, 10, CellAttributes{}, 1000))
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b.Write([]rune("hello 1")...)
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b.CarriageReturn()
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b.NewLine()
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b.Write([]rune("hello 2")...)
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b.CarriageReturn()
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b.NewLine()
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b.Write([]rune("hello 3")...)
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b.CarriageReturn()
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b.NewLine()
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b.Write([]rune("hello 4")...)
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b.CarriageReturn()
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b.NewLine()
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b.Write([]rune("hello 5")...)
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b.CarriageReturn()
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b.NewLine()
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b.Write([]rune("hello 6")...)
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b.CarriageReturn()
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b.NewLine()
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b.Write([]rune("hello 7")...)
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b.CarriageReturn()
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b.NewLine()
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b.Write([]rune("hello 8")...)
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b.CarriageReturn()
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b.NewLine()
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b.Write([]rune("hello 9")...)
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b.CarriageReturn()
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b.NewLine()
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b.Write([]rune("hello 10")...)
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b.CarriageReturn()
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b.NewLine()
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b.Write([]rune("hello 11")...)
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b.CarriageReturn()
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b.NewLine()
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b.Write([]rune("hello 12")...)
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b.CarriageReturn()
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b.NewLine()
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b.Write([]rune("hello 13")...)
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b.CarriageReturn()
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b.NewLine()
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b.Write([]rune("hello 14")...)
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lines := b.GetVisibleLines()
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require.Equal(t, 10, len(lines))
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assert.Equal(t, "hello 5", lines[0].String())
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assert.Equal(t, "hello 14", lines[9].String())
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}
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func TestClearWithoutFullView(t *testing.T) {
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b := NewBuffer(NewTerminalState(80, 10, CellAttributes{}, 1000))
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b.Write([]rune("hello 1")...)
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b.CarriageReturn()
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b.NewLine()
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b.Write([]rune("hello 1")...)
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b.CarriageReturn()
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b.NewLine()
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b.Write([]rune("hello 1")...)
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b.Clear()
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lines := b.GetVisibleLines()
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for _, line := range lines {
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assert.Equal(t, "", line.String())
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}
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}
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func TestClearWithFullView(t *testing.T) {
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b := NewBuffer(NewTerminalState(80, 5, CellAttributes{}, 1000))
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b.Write([]rune("hello 1")...)
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b.CarriageReturn()
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b.NewLine()
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b.Write([]rune("hello 1")...)
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b.CarriageReturn()
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b.NewLine()
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b.Write([]rune("hello 1")...)
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b.CarriageReturn()
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b.NewLine()
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b.Write([]rune("hello 1")...)
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b.CarriageReturn()
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b.NewLine()
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b.Write([]rune("hello 1")...)
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b.CarriageReturn()
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b.NewLine()
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b.Write([]rune("hello 1")...)
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b.CarriageReturn()
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b.NewLine()
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b.Write([]rune("hello 1")...)
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b.CarriageReturn()
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b.NewLine()
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b.Write([]rune("hello 1")...)
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b.Clear()
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lines := b.GetVisibleLines()
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for _, line := range lines {
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assert.Equal(t, "", line.String())
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}
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}
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func TestCarriageReturn(t *testing.T) {
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b := NewBuffer(NewTerminalState(80, 20, CellAttributes{}, 1000))
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b.Write([]rune("hello!")...)
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b.CarriageReturn()
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b.Write([]rune("secret")...)
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lines := b.GetVisibleLines()
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assert.Equal(t, "secret", lines[0].String())
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}
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func TestCarriageReturnOnFullLine(t *testing.T) {
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b := NewBuffer(NewTerminalState(20, 20, CellAttributes{}, 1000))
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b.Write([]rune("abcdeabcdeabcdeabcde")...)
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b.CarriageReturn()
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b.Write([]rune("xxxxxxxxxxxxxxxxxxxx")...)
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lines := b.GetVisibleLines()
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assert.Equal(t, "xxxxxxxxxxxxxxxxxxxx", lines[0].String())
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}
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func TestCarriageReturnOnFullLastLine(t *testing.T) {
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b := NewBuffer(NewTerminalState(20, 2, CellAttributes{}, 1000))
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b.NewLine()
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b.Write([]rune("abcdeabcdeabcdeabcde")...)
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b.CarriageReturn()
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b.Write([]rune("xxxxxxxxxxxxxxxxxxxx")...)
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lines := b.GetVisibleLines()
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assert.Equal(t, "", lines[0].String())
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assert.Equal(t, "xxxxxxxxxxxxxxxxxxxx", lines[1].String())
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}
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func TestCarriageReturnOnWrappedLine(t *testing.T) {
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b := NewBuffer(NewTerminalState(80, 6, CellAttributes{}, 1000))
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b.Write([]rune("hello!")...)
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b.CarriageReturn()
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b.Write([]rune("secret")...)
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lines := b.GetVisibleLines()
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assert.Equal(t, "secret", lines[0].String())
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}
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func TestCarriageReturnOnLineThatDoesntExist(t *testing.T) {
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b := NewBuffer(NewTerminalState(6, 10, CellAttributes{}, 1000))
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b.terminalState.cursorY = 3
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b.CarriageReturn()
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assert.Equal(t, uint16(0), b.terminalState.cursorX)
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assert.Equal(t, uint16(3), b.terminalState.cursorY)
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}
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func TestGetCell(t *testing.T) {
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b := NewBuffer(NewTerminalState(80, 20, CellAttributes{}, 1000))
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b.Write([]rune("Hello")...)
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b.CarriageReturn()
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b.NewLine()
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b.Write([]rune("there")...)
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b.CarriageReturn()
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b.NewLine()
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b.Write([]rune("something...")...)
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cell := b.GetCell(8, 2)
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require.NotNil(t, cell)
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assert.Equal(t, 'g', cell.Rune())
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}
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func TestGetCellWithHistory(t *testing.T) {
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b := NewBuffer(NewTerminalState(80, 2, CellAttributes{}, 1000))
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b.Write([]rune("Hello")...)
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b.CarriageReturn()
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b.NewLine()
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b.Write([]rune("there")...)
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b.CarriageReturn()
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b.NewLine()
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b.Write([]rune("something...")...)
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cell := b.GetCell(8, 1)
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require.NotNil(t, cell)
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assert.Equal(t, 'g', cell.Rune())
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}
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func TestGetCellWithBadCursor(t *testing.T) {
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b := NewBuffer(NewTerminalState(80, 2, CellAttributes{}, 1000))
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b.Write([]rune("Hello\r\nthere\r\nsomething...")...)
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require.Nil(t, b.GetCell(8, 3))
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require.Nil(t, b.GetCell(90, 0))
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}
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func TestCursorAttr(t *testing.T) {
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b := NewBuffer(NewTerminalState(80, 2, CellAttributes{}, 1000))
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assert.Equal(t, &b.terminalState.cursorAttr, b.CursorAttr())
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}
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func TestCursorPositionQuerying(t *testing.T) {
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b := NewBuffer(NewTerminalState(80, 20, CellAttributes{}, 1000))
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b.terminalState.cursorX = 17
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b.terminalState.cursorY = 9
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assert.Equal(t, b.terminalState.cursorX, b.CursorColumn())
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assert.Equal(t, b.terminalState.cursorY, b.CursorLine())
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}
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func TestRawPositionQuerying(t *testing.T) {
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b := NewBuffer(NewTerminalState(80, 5, CellAttributes{}, 1000))
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b.Write([]rune("a")...)
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b.CarriageReturn()
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b.NewLine()
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b.Write([]rune("a")...)
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b.CarriageReturn()
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b.NewLine()
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b.Write([]rune("a")...)
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b.CarriageReturn()
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b.NewLine()
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b.Write([]rune("a")...)
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b.CarriageReturn()
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b.NewLine()
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b.Write([]rune("a")...)
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b.CarriageReturn()
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b.NewLine()
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b.Write([]rune("a")...)
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b.CarriageReturn()
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b.NewLine()
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b.Write([]rune("a")...)
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b.CarriageReturn()
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b.NewLine()
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b.Write([]rune("a")...)
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b.CarriageReturn()
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b.NewLine()
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b.Write([]rune("a")...)
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b.CarriageReturn()
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b.NewLine()
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b.Write([]rune("a")...)
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b.terminalState.cursorX = 3
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b.terminalState.cursorY = 4
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assert.Equal(t, uint64(9), b.RawLine())
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}
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// CSI 2 K
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func TestEraseLine(t *testing.T) {
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b := NewBuffer(NewTerminalState(80, 5, CellAttributes{}, 1000))
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b.Write([]rune("hello, this is a test")...)
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b.CarriageReturn()
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b.NewLine()
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b.Write([]rune("this line should be deleted")...)
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b.EraseLine()
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assert.Equal(t, "hello, this is a test", b.lines[0].String())
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assert.Equal(t, "", b.lines[1].String())
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}
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// CSI 1 K
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func TestEraseLineToCursor(t *testing.T) {
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b := NewBuffer(NewTerminalState(80, 5, CellAttributes{}, 1000))
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b.Write([]rune("hello, this is a test")...)
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b.CarriageReturn()
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b.NewLine()
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b.Write([]rune("deleted")...)
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b.MovePosition(-3, 0)
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b.EraseLineToCursor()
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assert.Equal(t, "hello, this is a test", b.lines[0].String())
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assert.Equal(t, "\x00\x00\x00\x00\x00ed", b.lines[1].String())
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}
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// CSI 0 K
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func TestEraseLineAfterCursor(t *testing.T) {
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b := NewBuffer(NewTerminalState(80, 5, CellAttributes{}, 1000))
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b.Write([]rune("hello, this is a test")...)
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b.CarriageReturn()
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b.NewLine()
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b.Write([]rune("deleted")...)
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b.MovePosition(-3, 0)
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b.EraseLineFromCursor()
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assert.Equal(t, "hello, this is a test", b.lines[0].String())
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assert.Equal(t, "dele", b.lines[1].String())
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}
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func TestEraseDisplay(t *testing.T) {
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b := NewBuffer(NewTerminalState(80, 5, CellAttributes{}, 1000))
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b.Write([]rune("hello")...)
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b.CarriageReturn()
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b.NewLine()
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b.Write([]rune("asdasd")...)
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b.CarriageReturn()
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b.NewLine()
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b.Write([]rune("thing")...)
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b.MovePosition(2, 1)
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b.EraseDisplay()
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lines := b.GetVisibleLines()
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|
for _, line := range lines {
|
|
assert.Equal(t, "", line.String())
|
|
}
|
|
}
|
|
func TestEraseDisplayToCursor(t *testing.T) {
|
|
b := NewBuffer(NewTerminalState(80, 5, CellAttributes{}, 1000))
|
|
b.Write([]rune("hello")...)
|
|
b.CarriageReturn()
|
|
b.NewLine()
|
|
b.Write([]rune("asdasd")...)
|
|
b.CarriageReturn()
|
|
b.NewLine()
|
|
b.Write([]rune("thing")...)
|
|
b.MovePosition(-2, 0)
|
|
b.EraseDisplayToCursor()
|
|
lines := b.GetVisibleLines()
|
|
assert.Equal(t, "", lines[0].String())
|
|
assert.Equal(t, "", lines[1].String())
|
|
assert.Equal(t, "\x00\x00\x00\x00g", lines[2].String())
|
|
|
|
}
|
|
|
|
func TestEraseDisplayFromCursor(t *testing.T) {
|
|
b := NewBuffer(NewTerminalState(80, 5, CellAttributes{}, 1000))
|
|
b.Write([]rune("hello")...)
|
|
b.CarriageReturn()
|
|
b.NewLine()
|
|
b.Write([]rune("asdasd")...)
|
|
b.CarriageReturn()
|
|
b.NewLine()
|
|
b.Write([]rune("things")...)
|
|
b.MovePosition(-3, -1)
|
|
b.EraseDisplayFromCursor()
|
|
lines := b.GetVisibleLines()
|
|
assert.Equal(t, "hello", lines[0].String())
|
|
assert.Equal(t, "asd", lines[1].String())
|
|
assert.Equal(t, "", lines[2].String())
|
|
}
|
|
func TestBackspace(t *testing.T) {
|
|
b := NewBuffer(NewTerminalState(80, 5, CellAttributes{}, 1000))
|
|
b.Write([]rune("hello")...)
|
|
b.Backspace()
|
|
b.Backspace()
|
|
b.Write([]rune("p")...)
|
|
lines := b.GetVisibleLines()
|
|
assert.Equal(t, "helpo", lines[0].String())
|
|
}
|
|
|
|
func TestHorizontalResizeView(t *testing.T) {
|
|
b := NewBuffer(NewTerminalState(80, 10, CellAttributes{}, 1000))
|
|
|
|
// 60 characters
|
|
b.Write([]rune(`hellohellohellohellohellohellohellohellohellohellohellohello`)...)
|
|
|
|
b.CarriageReturn()
|
|
b.NewLine()
|
|
|
|
b.Write([]rune(`goodbyegoodbye`)...)
|
|
|
|
require.Equal(t, uint16(14), b.terminalState.cursorX)
|
|
require.Equal(t, uint16(1), b.terminalState.cursorY)
|
|
|
|
b.ResizeView(40, 10)
|
|
|
|
expected := `hellohellohellohellohellohellohellohello
|
|
hellohellohellohello
|
|
goodbyegoodbye`
|
|
|
|
require.Equal(t, uint16(14), b.terminalState.cursorX)
|
|
require.Equal(t, uint16(2), b.terminalState.cursorY)
|
|
|
|
lines := b.GetVisibleLines()
|
|
strs := []string{}
|
|
for _, l := range lines {
|
|
strs = append(strs, l.String())
|
|
}
|
|
require.Equal(t, expected, strings.Join(strs, "\n"))
|
|
|
|
b.ResizeView(20, 10)
|
|
|
|
expected = `hellohellohellohello
|
|
hellohellohellohello
|
|
hellohellohellohello
|
|
goodbyegoodbye`
|
|
|
|
lines = b.GetVisibleLines()
|
|
strs = []string{}
|
|
for _, l := range lines {
|
|
strs = append(strs, l.String())
|
|
}
|
|
require.Equal(t, expected, strings.Join(strs, "\n"))
|
|
|
|
b.ResizeView(10, 10)
|
|
|
|
expected = `hellohello
|
|
hellohello
|
|
hellohello
|
|
hellohello
|
|
hellohello
|
|
hellohello
|
|
goodbyegoo
|
|
dbye`
|
|
|
|
lines = b.GetVisibleLines()
|
|
strs = []string{}
|
|
for _, l := range lines {
|
|
strs = append(strs, l.String())
|
|
}
|
|
require.Equal(t, expected, strings.Join(strs, "\n"))
|
|
|
|
b.ResizeView(80, 20)
|
|
|
|
expected = `hellohellohellohellohellohellohellohellohellohellohellohello
|
|
goodbyegoodbye`
|
|
|
|
lines = b.GetVisibleLines()
|
|
strs = []string{}
|
|
for _, l := range lines {
|
|
strs = append(strs, l.String())
|
|
}
|
|
require.Equal(t, expected, strings.Join(strs, "\n"))
|
|
|
|
require.Equal(t, uint16(1), b.terminalState.cursorY)
|
|
require.Equal(t, uint16(14), b.terminalState.cursorX)
|
|
}
|
|
|
|
/*
|
|
hellohellohellohellohellohellohellohellohellohellohellohello
|
|
goodbyegoo
|
|
dbye
|
|
*/
|
|
|
|
func TestBufferMaxLines(t *testing.T) {
|
|
b := NewBuffer(NewTerminalState(80, 2, CellAttributes{}, 2))
|
|
|
|
b.Write([]rune("hello")...)
|
|
b.NewLine()
|
|
b.Write([]rune("funny")...)
|
|
b.NewLine()
|
|
b.Write([]rune("world")...)
|
|
|
|
assert.Equal(t, 2, len(b.lines))
|
|
assert.Equal(t, "funny", b.lines[0].String())
|
|
assert.Equal(t, "world", b.lines[1].String())
|
|
}
|