oh-my-posh/renderer_test.go

package main

import (
	"bytes"
	"testing"

	"github.com/stretchr/testify/assert"
)

func TestWriteAndRemoveText(t *testing.T) {
	renderer := &Renderer{
		Buffer: new(bytes.Buffer),
	}
	renderer.init("pwsh")
	inputText := "This is white, <#ff5733>this is orange</>, white again"
	text := renderer.writeAndRemoveText("#193549", "#fff", "This is white, ", "This is white, ", inputText)
	assert.Equal(t, "<#ff5733>this is orange</>, white again", text)
	assert.NotContains(t, renderer.string(), "<#ff5733>")
}

func TestWriteAndRemoveTextColored(t *testing.T) {
	renderer := &Renderer{
		Buffer: new(bytes.Buffer),
	}
	renderer.init("pwsh")
	inputText := "This is white, <#ff5733>this is orange</>, white again"
	text := renderer.writeAndRemoveText("#193549", "#ff5733", "this is orange", "<#ff5733>this is orange</>", inputText)
	assert.Equal(t, "This is white, , white again", text)
	assert.NotContains(t, renderer.string(), "<#ff5733>")
}

func TestWriteColorOverride(t *testing.T) {
	renderer := &Renderer{
		Buffer: new(bytes.Buffer),
	}
	renderer.init("pwsh")
	text := "This is white, <#ff5733>this is orange</>, white again"
	renderer.write("#193549", "#ff5733", text)
	assert.NotContains(t, renderer.string(), "<#ff5733>")
}

func TestWriteColorTransparent(t *testing.T) {
	renderer := &Renderer{
		Buffer: new(bytes.Buffer),
	}
	renderer.init("pwsh")
	text := "This is white"
	renderer.writeColoredText("#193549", Transparent, text)
	t.Log(renderer.string())
}

func TestLenWithoutANSI(t *testing.T) {
	text := "\x1b[44mhello\x1b[0m"
	renderer := &Renderer{
		Buffer: new(bytes.Buffer),
	}
	renderer.init("pwsh")
	strippedLength := renderer.lenWithoutANSI(text)
	assert.Equal(t, 5, strippedLength)
}

func TestLenWithoutANSIZsh(t *testing.T) {
	text := "%{\x1b[44m%}hello%{\x1b[0m%}"
	renderer := &Renderer{
		Buffer: new(bytes.Buffer),
	}
	renderer.init("zsh")
	strippedLength := renderer.lenWithoutANSI(text)
	assert.Equal(t, 5, strippedLength)
}