2 files changed, 134 insertions(+), 0 deletions(-)

M convert/resize_test.go
A terminal/mocks/terminal_mock.go

@@ 3,6 3,7 @@ package convert
 import (
 	"fmt"
 	terminal2 "github.com/qeesung/image2ascii/terminal"
+	"github.com/qeesung/image2ascii/terminal/mocks"
 	"github.com/stretchr/testify/assert"
 	"log"
 	"testing"


@@ 125,6 126,73 @@ func TestCalcFitSize(t *testing.T) {
 	}
 }
 
+func TestFitTheTerminalScreenSize(t *testing.T) {
+	assertions := assert.New(t)
+	// mock
+	terminalMock := mocks.Terminal{}
+	terminalMock.On("IsWindows").Return(false)
+	terminalMock.On("CharWidth").Return(0.5)
+	terminalMock.On("ScreenSize").Return(100, 80, nil)
+	handler := ImageResizeHandler{
+		terminal: &terminalMock,
+	}
+
+	imageFilePath := "testdata/cat_2000x1500.jpg"
+	img, err := OpenImageFile(imageFilePath)
+	if err != nil {
+		log.Fatal("open image file " + imageFilePath + " failed")
+	}
+
+	assertions.False(terminalMock.IsWindows())
+	assertions.Equal(terminalMock.CharWidth(), 0.5)
+	screenWidth, screenHeight, err := terminalMock.ScreenSize()
+	assertions.Equal(screenWidth, 100)
+	assertions.Equal(screenHeight, 80)
+	assertions.True(err == nil)
+
+	options := DefaultOptions
+	options.Colored = false
+	options.FitScreen = true
+	scaledImage := handler.ScaleImage(img, &options)
+	sz := scaledImage.Bounds()
+	assertions.Equal(100, sz.Max.X)
+	assertions.Equal(37, sz.Max.Y)
+}
+
+func TestStretchTheTerminalScreenSize(t *testing.T) {
+	assertions := assert.New(t)
+	// mock
+	terminalMock := mocks.Terminal{}
+	terminalMock.On("IsWindows").Return(false)
+	terminalMock.On("CharWidth").Return(0.5)
+	terminalMock.On("ScreenSize").Return(100, 80, nil)
+	handler := ImageResizeHandler{
+		terminal: &terminalMock,
+	}
+
+	imageFilePath := "testdata/cat_2000x1500.jpg"
+	img, err := OpenImageFile(imageFilePath)
+	if err != nil {
+		log.Fatal("open image file " + imageFilePath + " failed")
+	}
+
+	assertions.False(terminalMock.IsWindows())
+	assertions.Equal(terminalMock.CharWidth(), 0.5)
+	screenWidth, screenHeight, err := terminalMock.ScreenSize()
+	assertions.Equal(screenWidth, 100)
+	assertions.Equal(screenHeight, 80)
+	assertions.True(err == nil)
+
+	options := DefaultOptions
+	options.Colored = false
+	options.StretchedScreen = true
+	options.FitScreen = false
+	scaledImage := handler.ScaleImage(img, &options)
+	sz := scaledImage.Bounds()
+	assertions.Equal(100, sz.Max.X)
+	assertions.Equal(80, sz.Max.Y)
+}
+
 // ExampleScaleImage is scale image example
 func ExampleScaleImage() {
 	handler := NewResizeHandler()

@@ 0,0 1,66 @@
+// Code generated by mockery v1.0.0. DO NOT EDIT.
+
+package mocks
+
+import mock "github.com/stretchr/testify/mock"
+
+// Terminal is an autogenerated mock type for the Terminal type
+type Terminal struct {
+	mock.Mock
+}
+
+// CharWidth provides a mock function with given fields:
+func (_m *Terminal) CharWidth() float64 {
+	ret := _m.Called()
+
+	var r0 float64
+	if rf, ok := ret.Get(0).(func() float64); ok {
+		r0 = rf()
+	} else {
+		r0 = ret.Get(0).(float64)
+	}
+
+	return r0
+}
+
+// IsWindows provides a mock function with given fields:
+func (_m *Terminal) IsWindows() bool {
+	ret := _m.Called()
+
+	var r0 bool
+	if rf, ok := ret.Get(0).(func() bool); ok {
+		r0 = rf()
+	} else {
+		r0 = ret.Get(0).(bool)
+	}
+
+	return r0
+}
+
+// ScreenSize provides a mock function with given fields:
+func (_m *Terminal) ScreenSize() (int, int, error) {
+	ret := _m.Called()
+
+	var r0 int
+	if rf, ok := ret.Get(0).(func() int); ok {
+		r0 = rf()
+	} else {
+		r0 = ret.Get(0).(int)
+	}
+
+	var r1 int
+	if rf, ok := ret.Get(1).(func() int); ok {
+		r1 = rf()
+	} else {
+		r1 = ret.Get(1).(int)
+	}
+
+	var r2 error
+	if rf, ok := ret.Get(2).(func() error); ok {
+		r2 = rf()
+	} else {
+		r2 = ret.Error(2)
+	}
+
+	return r0, r1, r2
+}