1 files changed, 68 insertions, 0 deletions
diff --git a/spec/services/zip_service_spec.rb b/spec/services/zip_service_spec.rb
new file mode 100644
index 000000000..98cb9026d
--- /dev/null
+++ b/spec/services/zip_service_spec.rb
@@ -0,0 +1,68 @@
+RSpec.describe ZipService do
+
+  let( :zip_service ){ described_class }
+  let( :unzipper ){ zip_service.new(zip_data) }
+  let( :zip_data ){ File.read zip_file }
+
+
+  context 'correct test data' do
+    before do
+      subdir_names.each do | subdir_name |
+        File.unlink( subdir_file subdir_name, suffix: '.zip' ) rescue nil
+        Dir.unlink( subdir_file subdir_name ) rescue nil
+      end
+    end
+    let( :subdir_names ){ %w<OFFRE_TRANSDEV_20170301122517 OFFRE_TRANSDEV_20170301122519>  }
+    let( :expected_chksums ){
+      checksum_trees( subdir_names.map{ |sn| subdir_file(sn, prefix: 'source_') } )
+    }
+
+    let( :zip_file ){ fixtures_path 'OFFRE_TRANSDEV_2017030112251.zip' }
+    #
+    # Remove potential test artefacts
+
+    it 'yields the correct content' do
+      # Write ZipService Streams to files and inflate them to file system
+      unzipper.subdirs.each do | subdir |
+        expect( subdir.spurious ).to be_empty
+        File.open(subdir_file( subdir.name, suffix: '.zip' ), 'wb'){ |f| f.write subdir.stream.string }
+        unzip_subdir subdir
+      end
+      # Represent the inflated file_system as a checksum tree
+      actual_checksums = 
+        checksum_trees( subdir_names.map{ |sn| subdir_file(sn, prefix: 'target/') } )
+      expect( actual_checksums ).to eq( expected_chksums )
+    end
+
+  end
+
+  context 'test data with spurious directories' do 
+    let( :zip_file ){ fixtures_path 'OFFRE_WITH_EXTRA.zip' }
+
+    it 'returns the extra dir in the spurious field of the entry' do
+      expect( unzipper.subdirs.first.spurious ).to eq(%w{EXTRA})
+    end
+  end
+
+
+  def checksum_trees *dirs
+    dirs.flatten.inject({},&method(:checksum_tree))
+  end
+  def checksum_tree repr, dir
+    Dir.glob("#{dir}/**/*").each do |file|
+      if !File.directory?(file)
+        repr.merge!( File.basename(file) => %x{cksum #{file}}.split.first ){ |_, ov, nv| Array(ov) << nv }
+      end
+    end
+    repr
+  end
+
+  def subdir_file( subdir, prefix: 'target_', suffix: '' )
+    fixtures_path("#{prefix}#{subdir}#{suffix}")
+  end
+
+  def unzip_subdir subdir
+    %x{unzip -oqq #{subdir_file subdir.name, suffix: '.zip'} -d #{fixture_path}/target}
+  end
+end
+