sure/test/models/mercury_item_test.rb

require "test_helper"

class MercuryItemTest < ActiveSupport::TestCase
  def setup
    @mercury_item = mercury_items(:one)
  end

  test "fixture is valid" do
    assert @mercury_item.valid?
  end

  test "belongs to family" do
    assert_equal families(:dylan_family), @mercury_item.family
  end

  test "credentials_configured returns true when token present" do
    assert @mercury_item.credentials_configured?
  end

  test "credentials_configured returns false when token blank" do
    @mercury_item.token = nil
    assert_not @mercury_item.credentials_configured?
  end

  test "effective_base_url returns custom url when set" do
    assert_equal "https://api-sandbox.mercury.com/api/v1", @mercury_item.effective_base_url
  end

  test "effective_base_url returns default when base_url blank" do
    @mercury_item.base_url = nil
    assert_equal "https://api.mercury.com/api/v1", @mercury_item.effective_base_url
  end

  test "mercury_provider returns Provider::Mercury instance" do
    provider = @mercury_item.mercury_provider
    assert_instance_of Provider::Mercury, provider
    assert_equal @mercury_item.token, provider.token
  end

  test "mercury_provider returns nil when credentials not configured" do
    @mercury_item.token = nil
    assert_nil @mercury_item.mercury_provider
  end

  test "syncer returns MercuryItem::Syncer instance" do
    syncer = @mercury_item.send(:syncer)
    assert_instance_of MercuryItem::Syncer, syncer
  end
end