Contents

require "spec_helper"

module Photomosaic
  describe Options do
    let(:api_key) { "api_key" }
    let(:base_image_path) { "base_image_path" }
    let(:colors) { 16 }
    let(:height) { 10 }
    let(:level) { 4 }
    let(:width) { 20 }
    let(:results) { 100 }
    let(:keyword) { "keyword" }
    let(:output_path) { "output_path" }

    before do
      allow(ENV).to receive(:[]).with("PHOTOMOSAIC_API_KEY").and_return(api_key)
    end

    describe "#parse" do
      context "when the required parameters are specified" do
        let(:argv) do
          "-b #{base_image_path} -o #{output_path} -k #{keyword} -c #{colors} -h #{height} -w #{width} -r #{results} -l #{level}".split(" ")
        end

        it "should return Options instance" do
          expect(described_class.parse(argv)).to be_a described_class
        end

        it "should parse option string" do
          options = described_class.parse(argv)
          expect(options.api_key).to eq api_key
          expect(options.base_image).to eq File.expand_path(base_image_path)
          expect(options.color_model).to eq :rgb
          expect(options.colors).to eq colors
          expect(options.height).to eq height
          expect(options.keyword).to eq keyword
          expect(options.level).to eq level
          expect(options.output_path).to eq File.expand_path(output_path)
          expect(options.results).to eq results
          expect(options.search_engine).to eq Photomosaic::SearchEngine::Bing
          expect(options.width).to eq width
        end
      end

      context "when the required parameters are not specified" do
        let(:argv) do
          "-b #{base_image_path}"
        end

        it "should raise OptionParser::MissingArgument" do
          expect do
            described_class.parse(argv)
          end.to raise_error(OptionParser::MissingArgument, /output_path/)
        end
      end
    end
  end
end

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
photomosaic-0.0.1	spec/photomosaic/options_spec.rb