# frozen_string_literal: true

require 'test_helper'
require 'tempfile'

module Pups
  class ReplaceCommandTest < MiniTest::Test
    def test_simple
      command = ReplaceCommand.new({})
      command.text = 'hello world'
      command.from = /he[^o]+o/
      command.to = 'world'

      assert_equal('world world', command.replaced_text)
    end

    def test_reverse
      source = <<~SCR
        1 one thousand 1
        1 one thousand 1
        1 one thousand 1
      SCR

      f = Tempfile.new('test')
      f.write source
      f.close

      hash = {
        'filename' => f.path,
        'from' => '/one t.*d/',
        'to' => 'hello world',
        'direction' => 'reverse'
      }

      command = ReplaceCommand.from_hash(hash, {})

      assert_equal("1 one thousand 1\n1 one thousand 1\n1 hello world 1\n", command.replaced_text)
    ensure
      f.unlink
    end

    def test_global
      source = <<~SCR
        one
        one
        one
      SCR

      f = Tempfile.new('test')
      f.write source
      f.close

      hash = {
        'filename' => f.path,
        'from' => '/one/',
        'to' => 'two',
        'global' => 'true'
      }

      command = ReplaceCommand.from_hash(hash, {})

      assert_equal("two\ntwo\ntwo\n", command.replaced_text)
    ensure
      f.unlink
    end

    def test_replace_with_env
      source = '123'

      f = Tempfile.new('test')
      f.write source
      f.close

      hash = {
        'filename' => f.path,
        'from' => '123',
        'to' => 'hello $hellos'
      }

      command = ReplaceCommand.from_hash(hash, { 'hello' => 'world' })
      assert_equal('hello worlds', command.replaced_text)
    ensure
      f.unlink
    end

    def test_parse
      source = <<~SCR
        this {
        is a test
        }
      SCR

      f = Tempfile.new('test')
      f.write source
      f.close

      hash = {
        'filename' => f.path,
        'from' => "/this[^\}]+\}/m",
        'to' => 'hello world'
      }

      command = ReplaceCommand.from_hash(hash, {})

      assert_equal('hello world', command.replaced_text.strip)
    ensure
      f.unlink
    end
  end
end