openproject/spec/lib/open_project/files_spec.rb

#-- encoding: UTF-8
#-- copyright
# OpenProject is a project management system.
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# Copyright (C) 2006-2013 Jean-Philippe Lang
# Copyright (C) 2010-2013 the ChiliProject Team
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#++

# This file is mostly based on source code of thoughbot's paperclip gem
#
#   https://github.com/thoughtbot/paperclip
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# which is released under:
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# The MIT License
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# Copyright (c) 2008-2014 Jon Yurek and thoughtbot, inc.
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require 'spec_helper'

describe OpenProject::Files do
  describe 'create_uploaded_file' do
    context 'without parameters' do
      let(:file) { OpenProject::Files.create_uploaded_file }

      it 'creates a file with the default name "test.txt"' do
        expect(file.original_filename).to eq 'test.txt'
      end

      it 'creates distinct files even with identical names' do
        file_2 = OpenProject::Files.create_uploaded_file

        expect(file.original_filename).to eq file_2.original_filename
        expect(file.path).not_to eq file_2.path
      end

      it 'writes some default content "test content"' do
        expect(file.read).to eq 'test content'
      end

      it 'set default content type "text/plain"' do
        expect(file.content_type).to eq 'text/plain'
      end
    end

    context 'with a custom name, content and content type' do
      let(:name)         { 'foo.jpg' }
      let(:content)      { 'not-really-a-jpg' }
      let(:content_type) { 'image/jpeg'}

      let(:file) do
        OpenProject::Files.create_uploaded_file name: name,
                                                content: content,
                                                content_type: content_type
      end

      it 'creates a file called "foo.jpg"' do
        expect(file.original_filename).to eq name
      end

      it 'writes the custom content' do
        expect(file.read).to eq content
      end

      it 'sets the content type to "image/jpeg"' do
        expect(file.content_type).to eq content_type
      end
    end

    context 'with binary content' do
      let(:content) { "\xD1\x9B\x86".b }
      let(:binary)  { false }
      let(:file)    { OpenProject::Files.create_uploaded_file content: content, binary: binary }

      it 'fails when the content is not marked as binary' do
        expect { file }.to raise_error(Encoding::UndefinedConversionError)
      end

      context 'with the file denoted as binary' do
        let(:binary) { true }

        it 'succeeds' do
          expect(file.read).to eq content
        end
      end
    end
  end
end