test: nil renderer, options and screen

options_test.go

@@ -0,0 +1,94 @@
+package tea
+
+import (
+	"bytes"
+	"testing"
+)
+
+func TestOptions(t *testing.T) {
+	t.Run("output", func(t *testing.T) {
+		var b bytes.Buffer
+		p := NewProgram(nil, WithOutput(&b))
+		if p.output != &b {
+			t.Errorf("expected output to custom, got %v", p.output)
+		}
+	})
+
+	t.Run("input", func(t *testing.T) {
+		var b bytes.Buffer
+		p := NewProgram(nil, WithInput(&b))
+		if p.input != &b {
+			t.Errorf("expected input to custom, got %v", p.output)
+		}
+		if p.startupOptions&withCustomInput == 0 {
+			t.Errorf("expected startup options to have custom input set, got %v", p.output)
+		}
+	})
+
+	t.Run("catch panics", func(t *testing.T) {
+		p := NewProgram(nil, WithoutCatchPanics())
+		if p.CatchPanics {
+			t.Errorf("catch panics should not have been set")
+		}
+	})
+
+	t.Run("renderer", func(t *testing.T) {
+		p := NewProgram(nil, WithoutRenderer())
+		switch p.renderer.(type) {
+		case *nilRenderer:
+			return
+		default:
+			t.Errorf("expected renderer to be a nilRenderer, got %v", p.renderer)
+		}
+	})
+
+	t.Run("startup options", func(t *testing.T) {
+		exercise := func(t *testing.T, opt ProgramOption, expect startupOptions) {
+			p := NewProgram(nil, opt)
+			if !p.startupOptions.has(expect) {
+				t.Errorf("expected startup options have %v, got %v", expect, p.startupOptions)
+			}
+		}
+
+		t.Run("input tty", func(t *testing.T) {
+			exercise(t, WithInputTTY(), withInputTTY)
+		})
+
+		t.Run("alt screen", func(t *testing.T) {
+			exercise(t, WithAltScreen(), withAltScreen)
+		})
+
+		t.Run("ansi compression", func(t *testing.T) {
+			exercise(t, WithANSICompressor(), withANSICompressor)
+		})
+
+		t.Run("mouse cell motion", func(t *testing.T) {
+			p := NewProgram(nil, WithMouseAllMotion(), WithMouseCellMotion())
+			if !p.startupOptions.has(withMouseCellMotion) {
+				t.Errorf("expected startup options have %v, got %v", withMouseCellMotion, p.startupOptions)
+			}
+			if p.startupOptions.has(withMouseAllMotion) {
+				t.Errorf("expected startup options not have %v, got %v", withMouseAllMotion, p.startupOptions)
+			}
+		})
+
+		t.Run("mouse all motion", func(t *testing.T) {
+			p := NewProgram(nil, WithMouseCellMotion(), WithMouseAllMotion())
+			if !p.startupOptions.has(withMouseAllMotion) {
+				t.Errorf("expected startup options have %v, got %v", withMouseAllMotion, p.startupOptions)
+			}
+			if p.startupOptions.has(withMouseCellMotion) {
+				t.Errorf("expected startup options not have %v, got %v", withMouseCellMotion, p.startupOptions)
+			}
+		})
+	})
+
+	t.Run("multiple", func(t *testing.T) {
+		p := NewProgram(nil, WithMouseAllMotion(), WithAltScreen(), WithInputTTY())
+		for _, opt := range []startupOptions{withMouseAllMotion, withAltScreen, withInputTTY} {
+			if !p.startupOptions.has(opt) {
+				t.Errorf("expected startup options have %v, got %v", opt, p.startupOptions)
+			}
+		}
+	})
+}