require "rails_helper" RSpec.describe "PaasConfigurationService" do context "when the paas configuration is unavailable" do subject { PaasConfigurationService.new(logger) } let(:logger) { double("logger") } before { allow(logger).to receive(:warn) } it "returns the configuration as not present" do expect(subject.config_present?).to be(false) end it "returns the S3 configuration as not present" do expect(subject.s3_config_present?).to be(false) end it "does not retrieve any S3 bucket configuration" do expect(subject.s3_buckets).to be_empty end end context "when the paas configuration is present with S3 buckets" do subject { PaasConfigurationService.new(double("logger")) } let(:vcap_services) do <<-JSON {"aws-s3-bucket": [{"instance_name": "bucket_1"},{"instance_name": "bucket_2"}]} JSON end before do allow(ENV).to receive(:[]).with("VCAP_SERVICES").and_return(vcap_services) end it "returns the configuration as present" do expect(subject.config_present?).to be(true) end it "returns the S3 configuration as present" do expect(subject.s3_config_present?).to be(true) end it "does retrieve the S3 bucket configurations" do s3_buckets = subject.s3_buckets expect(s3_buckets).to_not be_empty expect(s3_buckets.count).to be(2) expect(s3_buckets).to have_key(:bucket_1) expect(s3_buckets).to have_key(:bucket_2) end end context "when the paas configuration is present without S3 buckets" do subject { PaasConfigurationService.new(double("logger")) } before do allow(ENV).to receive(:[]).with("VCAP_SERVICES").and_return("{}") end it "returns the configuration as present" do expect(subject.config_present?).to be(true) end it "returns the S3 configuration as not present" do expect(subject.s3_config_present?).to be(false) end it "does not retrieve any S3 bucket configuration" do expect(subject.s3_buckets).to be_empty end end end