require 'spec_helper'
require 'gris/identity'

describe Gris::Identity do
  before do
    allow(Process).to receive(:pid).and_return(123)
    allow(Gris::Identity).to receive(:hostname).and_return('system-hostname')
    allow(Gris::Identity).to receive(:`).with('git rev-parse HEAD').and_return('12345')
  end

  context '#health' do
    it 'includes name' do
      expect(Gris::Identity.health[:name]).to eq(Gris::Identity.name)
    end
    it 'includes base_url' do
      expect(Gris::Identity.health[:base_url]).to eq(Gris::Identity.base_url)
    end
    it 'includes hostname' do
      expect(Gris::Identity.health[:hostname]).to eq(Gris::Identity.hostname)
    end
    it 'includes revision' do
      expect(Gris::Identity.health[:revision]).to eq(Gris::Identity.revision)
    end
    it 'includes pid' do
      expect(Gris::Identity.health[:pid]).to eq(Gris::Identity.pid)
    end
    it 'includes parent_pid' do
      expect(Gris::Identity.health[:parent_pid]).to eq(Gris::Identity.parent_pid)
    end
    it 'includes platform' do
      expect(Gris::Identity.health[:platform]).to eq(Gris::Identity.platform)
    end
  end

  context '#name' do
    it 'returns the Gris.secrets.service_name when specified' do
      Gris.secrets.service_name = 'my-service'
      expect(Gris::Identity.name).to eq('my-service')
    end
  end

  context '#hostname' do
    it 'returns the value of the hostname system call and doesn\'t make a second system call' do
      expect(Gris::Identity).to_not receive(:`).with('hostname')
      expect(Gris::Identity.hostname).to eq('system-hostname')
    end
  end

  context '#revision' do
    it 'returns the value of the \'git rev-parse HEAD\' system call and doesn\'t make a second system call' do
      expect(Gris::Identity).to_not receive(:`).with('git rev-parse HEAD')
      expect(Gris::Identity.revision).to eq('12345')
    end
  end

  context '#pid' do
    it 'returns the process ID value' do
      expect(Gris::Identity.pid).to eq(123)
    end
  end

  context '#platform_revision' do
    it 'returns the current version of the platform gem' do
      expect(Gris::Identity.platform_revision).to eq(Gris::VERSION)
    end
  end

  context '#base_url' do
    it 'returns the Gris.secrets.base_url when specied' do
      Gris.secrets.base_url = 'my-base-url'
      expect(Gris::Identity.base_url).to eq('my-base-url')
    end
  end
end