# frozen_string_literal: true

require 'spec_helper'

describe Gitlab do
  describe '.root' do
    it 'returns the root path of the app' do
      expect(described_class.root).to eq(Pathname.new(File.expand_path('../..', __dir__)))
    end
  end

  describe '.revision' do
    let(:cmd) { %W[#{described_class.config.git.bin_path} log --pretty=format:%h --abbrev=11 -n 1] }

    around do |example|
      described_class.instance_variable_set(:@_revision, nil)
      example.run
      described_class.instance_variable_set(:@_revision, nil)
    end

    context 'when a REVISION file exists' do
      before do
        expect(File).to receive(:exist?)
                          .with(described_class.root.join('REVISION'))
                          .and_return(true)
      end

      it 'returns the actual Git revision' do
        expect(File).to receive(:read)
                          .with(described_class.root.join('REVISION'))
                          .and_return("abc123\n")

        expect(described_class.revision).to eq('abc123')
      end

      it 'memoizes the revision' do
        expect(File).to receive(:read)
                          .once
                          .with(described_class.root.join('REVISION'))
                          .and_return("abc123\n")

        2.times { described_class.revision }
      end
    end

    context 'when no REVISION file exist' do
      context 'when the Git command succeeds' do
        before do
          expect(Gitlab::Popen).to receive(:popen_with_detail)
                                     .with(cmd)
                                     .and_return(Gitlab::Popen::Result.new(cmd, 'abc123', '', double(success?: true)))
        end

        it 'returns the actual Git revision' do
          expect(described_class.revision).to eq('abc123')
        end
      end

      context 'when the Git command fails' do
        before do
          expect(Gitlab::Popen).to receive(:popen_with_detail)
                                     .with(cmd)
                                     .and_return(Gitlab::Popen::Result.new(cmd, '', 'fatal: Not a git repository', double('Process::Status', success?: false)))
        end

        it 'returns "Unknown"' do
          expect(described_class.revision).to eq('Unknown')
        end
      end
    end
  end

  describe '.com?' do
    it 'is true when on GitLab.com' do
      stub_config_setting(url: 'https://gitlab.com')

      expect(described_class.com?).to eq true
    end

    it 'is true when on staging' do
      stub_config_setting(url: 'https://staging.gitlab.com')

      expect(described_class.com?).to eq true
    end

    it 'is true when on other gitlab subdomain' do
      stub_config_setting(url: 'https://example.gitlab.com')

      expect(described_class.com?).to eq true
    end

    it 'is false when not on GitLab.com' do
      stub_config_setting(url: 'http://example.com')

      expect(described_class.com?).to eq false
    end
  end

  describe '.canary?' do
    it 'is true when CANARY env var is set to true' do
      stub_env('CANARY', '1')

      expect(described_class.canary?).to eq true
    end

    it 'is false when CANARY env var is set to false' do
      stub_env('CANARY', '0')

      expect(described_class.canary?).to eq false
    end
  end

  describe '.com_and_canary?' do
    it 'is true when on .com and canary' do
      allow(described_class).to receive_messages(com?: true, canary?: true)

      expect(described_class.com_and_canary?).to eq true
    end

    it 'is false when on .com but not on canary' do
      allow(described_class).to receive_messages(com?: true, canary?: false)

      expect(described_class.com_and_canary?).to eq false
    end
  end

  describe '.com_but_not_canary?' do
    it 'is false when on .com and canary' do
      allow(described_class).to receive_messages(com?: true, canary?: true)

      expect(described_class.com_but_not_canary?).to eq false
    end

    it 'is true when on .com but not on canary' do
      allow(described_class).to receive_messages(com?: true, canary?: false)

      expect(described_class.com_but_not_canary?).to eq true
    end
  end

  describe '.dev_env_org_or_com?' do
    it 'is true when on .com' do
      allow(described_class).to receive_messages(com?: true, org?: false)

      expect(described_class.dev_env_org_or_com?).to eq true
    end

    it 'is true when org' do
      allow(described_class).to receive_messages(com?: false, org?: true)

      expect(described_class.dev_env_org_or_com?).to eq true
    end

    it 'is true when dev env' do
      allow(described_class).to receive_messages(com?: false, org?: false)
      stub_rails_env('development')

      expect(described_class.dev_env_org_or_com?).to eq true
    end

    it 'is false when not dev, org or com' do
      allow(described_class).to receive_messages(com?: false, org?: false)

      expect(described_class.dev_env_org_or_com?).to eq false
    end
  end

  describe '.dev_env_or_com?' do
    it 'is true when on .com' do
      allow(described_class).to receive(:com?).and_return(true)

      expect(described_class.dev_env_or_com?).to eq true
    end

    it 'is true when dev env' do
      allow(described_class).to receive(:com?).and_return(false)
      allow(Rails).to receive(:env).and_return(ActiveSupport::StringInquirer.new('development'))

      expect(described_class.dev_env_or_com?).to eq true
    end

    it 'is false when not dev or com' do
      allow(described_class).to receive(:com?).and_return(false)

      expect(described_class.dev_env_or_com?).to eq false
    end
  end

  describe '.ee?' do
    before do
      stub_env('FOSS_ONLY', nil) # Make sure the ENV is clean
      described_class.instance_variable_set(:@is_ee, nil)
    end

    after do
      described_class.instance_variable_set(:@is_ee, nil)
    end

    context 'for EE' do
      before do
        root = Pathname.new('dummy')
        license_path = double(:path, exist?: true)

        allow(described_class)
          .to receive(:root)
                .and_return(root)

        allow(root)
          .to receive(:join)
                .with('ee/app/models/license.rb')
                .and_return(license_path)
      end

      context 'when using FOSS_ONLY=1' do
        before do
          stub_env('FOSS_ONLY', '1')
        end

        it 'returns not to be EE' do
          expect(described_class).not_to be_ee
        end
      end

      context 'when using FOSS_ONLY=0' do
        before do
          stub_env('FOSS_ONLY', '0')
        end

        it 'returns to be EE' do
          expect(described_class).to be_ee
        end
      end

      context 'when using default FOSS_ONLY' do
        it 'returns to be EE' do
          expect(described_class).to be_ee
        end
      end
    end

    context 'for CE' do
      before do
        root = double(:path)
        license_path = double(:path, exists?: false)

        allow(described_class)
          .to receive(:root)
                .and_return(Pathname.new('dummy'))

        allow(root)
          .to receive(:join)
                .with('ee/app/models/license.rb')
                .and_return(license_path)
      end

      it 'returns not to be EE' do
        expect(described_class).not_to be_ee
      end
    end
  end

  describe '.http_proxy_env?' do
    it 'returns true when lower case https' do
      stub_env('https_proxy', 'https://my.proxy')

      expect(described_class.http_proxy_env?).to eq(true)
    end

    it 'returns true when upper case https' do
      stub_env('HTTPS_PROXY', 'https://my.proxy')

      expect(described_class.http_proxy_env?).to eq(true)
    end

    it 'returns true when lower case http' do
      stub_env('http_proxy', 'http://my.proxy')

      expect(described_class.http_proxy_env?).to eq(true)
    end

    it 'returns true when upper case http' do
      stub_env('HTTP_PROXY', 'http://my.proxy')

      expect(described_class.http_proxy_env?).to eq(true)
    end

    it 'returns false when not set' do
      expect(described_class.http_proxy_env?).to eq(false)
    end
  end
end