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calc_test.go
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calc_test.go
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package main
import (
"testing"
"fyne.io/fyne/v2"
"fyne.io/fyne/v2/test"
"github.com/stretchr/testify/assert"
)
func TestAdd(t *testing.T) {
calc := newCalculator()
calc.loadUI(test.NewApp())
test.Tap(calc.buttons["1"])
test.Tap(calc.buttons["+"])
test.Tap(calc.buttons["1"])
test.Tap(calc.buttons["="])
assert.Equal(t, "2", calc.output.Text)
}
func TestSubtract(t *testing.T) {
calc := newCalculator()
calc.loadUI(test.NewApp())
test.Tap(calc.buttons["2"])
test.Tap(calc.buttons["-"])
test.Tap(calc.buttons["1"])
test.Tap(calc.buttons["="])
assert.Equal(t, "1", calc.output.Text)
}
func TestDivide(t *testing.T) {
calc := newCalculator()
calc.loadUI(test.NewApp())
test.Tap(calc.buttons["3"])
test.Tap(calc.buttons["/"])
test.Tap(calc.buttons["2"])
test.Tap(calc.buttons["="])
assert.Equal(t, "1.5", calc.output.Text)
}
func TestMultiply(t *testing.T) {
calc := newCalculator()
calc.loadUI(test.NewApp())
test.Tap(calc.buttons["5"])
test.Tap(calc.buttons["*"])
test.Tap(calc.buttons["2"])
test.Tap(calc.buttons["="])
assert.Equal(t, "10", calc.output.Text)
}
func TestParenthesis(t *testing.T) {
calc := newCalculator()
calc.loadUI(test.NewApp())
test.Tap(calc.buttons["2"])
test.Tap(calc.buttons["*"])
test.Tap(calc.buttons["("])
test.Tap(calc.buttons["3"])
test.Tap(calc.buttons["+"])
test.Tap(calc.buttons["4"])
test.Tap(calc.buttons[")"])
test.Tap(calc.buttons["="])
assert.Equal(t, "14", calc.output.Text)
}
func TestDot(t *testing.T) {
calc := newCalculator()
calc.loadUI(test.NewApp())
test.Tap(calc.buttons["2"])
test.Tap(calc.buttons["."])
test.Tap(calc.buttons["2"])
test.Tap(calc.buttons["+"])
test.Tap(calc.buttons["7"])
test.Tap(calc.buttons["."])
test.Tap(calc.buttons["8"])
test.Tap(calc.buttons["="])
assert.Equal(t, "10", calc.output.Text)
}
func TestClear(t *testing.T) {
calc := newCalculator()
calc.loadUI(test.NewApp())
test.Tap(calc.buttons["1"])
test.Tap(calc.buttons["2"])
test.Tap(calc.buttons["C"])
assert.Equal(t, "", calc.output.Text)
}
func TestContinueAfterResult(t *testing.T) {
calc := newCalculator()
calc.loadUI(test.NewApp())
test.Tap(calc.buttons["6"])
test.Tap(calc.buttons["+"])
test.Tap(calc.buttons["4"])
test.Tap(calc.buttons["="])
test.Tap(calc.buttons["-"])
test.Tap(calc.buttons["2"])
test.Tap(calc.buttons["="])
assert.Equal(t, "8", calc.output.Text)
}
func TestKeyboard(t *testing.T) {
calc := newCalculator()
calc.loadUI(test.NewApp())
test.TypeOnCanvas(calc.window.Canvas(), "1+1")
assert.Equal(t, "1+1", calc.output.Text)
test.TypeOnCanvas(calc.window.Canvas(), "=")
assert.Equal(t, "2", calc.output.Text)
test.TypeOnCanvas(calc.window.Canvas(), "c")
assert.Equal(t, "", calc.output.Text)
}
func TestKeyboard_Buttons(t *testing.T) {
calc := newCalculator()
calc.loadUI(test.NewApp())
test.TypeOnCanvas(calc.window.Canvas(), "1+1")
calc.onTypedKey(&fyne.KeyEvent{Name: fyne.KeyReturn})
assert.Equal(t, "2", calc.output.Text)
test.TypeOnCanvas(calc.window.Canvas(), "c")
test.TypeOnCanvas(calc.window.Canvas(), "1+1")
calc.onTypedKey(&fyne.KeyEvent{Name: fyne.KeyEnter})
assert.Equal(t, "2", calc.output.Text)
}
func TestKeyboard_Backspace(t *testing.T) {
calc := newCalculator()
calc.loadUI(test.NewApp())
calc.onTypedKey(&fyne.KeyEvent{Name: fyne.KeyBackspace})
assert.Equal(t, "", calc.output.Text)
test.TypeOnCanvas(calc.window.Canvas(), "1/2")
calc.onTypedKey(&fyne.KeyEvent{Name: fyne.KeyBackspace})
assert.Equal(t, "1/", calc.output.Text)
calc.onTypedKey(&fyne.KeyEvent{Name: fyne.KeyEnter})
assert.Equal(t, "error", calc.output.Text)
calc.onTypedKey(&fyne.KeyEvent{Name: fyne.KeyBackspace})
assert.Equal(t, "", calc.output.Text)
}
func TestError(t *testing.T) {
calc := newCalculator()
calc.loadUI(test.NewApp())
test.TypeOnCanvas(calc.window.Canvas(), "1//1=")
assert.Equal(t, "error", calc.output.Text)
test.TypeOnCanvas(calc.window.Canvas(), "c")
test.TypeOnCanvas(calc.window.Canvas(), "()9=")
assert.Equal(t, "error", calc.output.Text)
test.TypeOnCanvas(calc.window.Canvas(), "=")
assert.Equal(t, "error", calc.output.Text)
test.TypeOnCanvas(calc.window.Canvas(), "55=")
assert.Equal(t, "error", calc.output.Text)
}
func TestShortcuts(t *testing.T) {
app := test.NewApp()
calc := newCalculator()
calc.loadUI(app)
clipboard := app.Driver().AllWindows()[0].Clipboard()
test.TypeOnCanvas(calc.window.Canvas(), "720 + 80")
calc.onCopyShortcut(&fyne.ShortcutCopy{Clipboard: clipboard})
assert.Equal(t, clipboard.Content(), calc.output.Text)
test.TypeOnCanvas(calc.window.Canvas(), "+")
clipboard.SetContent("50")
calc.onPasteShortcut(&fyne.ShortcutPaste{Clipboard: clipboard})
test.TypeOnCanvas(calc.window.Canvas(), "=")
assert.Equal(t, "850", calc.output.Text)
clipboard.SetContent("not a valid number")
calc.onPasteShortcut(&fyne.ShortcutPaste{Clipboard: clipboard})
assert.Equal(t, "850", calc.output.Text)
}