require 'rails_helper'
require 'tempfile'

describe GlobalSetting::EnvProvider do
  it "can detect keys from env" do
    ENV['DISCOURSE_BLA'] = '1'
    ENV['DISCOURSE_BLA_2'] = '2'
    expect(GlobalSetting::EnvProvider.new.keys).to include(:bla)
    expect(GlobalSetting::EnvProvider.new.keys).to include(:bla_2)
  end
end
describe GlobalSetting::FileProvider do
  it "can parse a simple file" do
    f = Tempfile.new('foo')
    f.write("  # this is a comment\n")
    f.write("\n")
    f.write(" a = 1000  # this is a comment\n")
    f.write("b = \"10 # = 00\"  # this is a # comment\n")
    f.write("c = \'10 # = 00\' # this is a # comment\n")
    f.write("d =\n")
    f.write("#f = 1\n")
    f.write("a1 = 1\n")
    f.close

    provider = GlobalSetting::FileProvider.from(f.path)

    expect(provider.lookup(:a,"")).to eq 1000
    expect(provider.lookup(:b,"")).to eq "10 # = 00"
    expect(provider.lookup(:c,"")).to eq "10 # = 00"
    expect(provider.lookup(:d,"bob")).to eq nil
    expect(provider.lookup(:e,"bob")).to eq "bob"
    expect(provider.lookup(:f,"bob")).to eq "bob"
    expect(provider.lookup(:a1,"")).to eq 1

    expect(provider.keys.sort).to eq [:a, :a1, :b, :c, :d]

    f.unlink
  end

  it "uses ERB" do
    f = Tempfile.new('foo')
    f.write("a = <%= 500 %>  # this is a comment\n")
    f.close

    provider = GlobalSetting::FileProvider.from(f.path)

    expect(provider.lookup(:a,"")).to eq 500

    f.unlink
  end

end