couchrest_model/spec/unit/attachment_spec.rb

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require 'spec_helper'
describe "Model attachments" do
describe "#has_attachment?" do
before(:each) do
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reset_test_db!
@obj = Basic.new
@obj.save.should be_true
@file = File.open(FIXTURE_PATH + '/attachments/test.html')
@attachment_name = 'my_attachment'
@obj.create_attachment(:file => @file, :name => @attachment_name)
end
it 'should return false if there is no attachment' do
@obj.has_attachment?('bogus').should be_false
end
it 'should return true if there is an attachment' do
@obj.has_attachment?(@attachment_name).should be_true
end
it 'should return true if an object with an attachment is reloaded' do
@obj.save.should be_true
reloaded_obj = Basic.get(@obj.id)
reloaded_obj.has_attachment?(@attachment_name).should be_true
end
it 'should return false if an attachment has been removed' do
@obj.delete_attachment(@attachment_name)
@obj.has_attachment?(@attachment_name).should be_false
end
it 'should return false if an attachment has been removed and reloaded' do
@obj.delete_attachment(@attachment_name)
reloaded_obj = Basic.get(@obj.id)
reloaded_obj.has_attachment?(@attachment_name).should be_false
end
end
describe "creating an attachment" do
before(:each) do
@obj = Basic.new
@obj.save.should be_true
@file_ext = File.open(FIXTURE_PATH + '/attachments/test.html')
@file_no_ext = File.open(FIXTURE_PATH + '/attachments/README')
@attachment_name = 'my_attachment'
@content_type = 'media/mp3'
end
it "should create an attachment from file with an extension" do
@obj.create_attachment(:file => @file_ext, :name => @attachment_name)
@obj.save.should be_true
reloaded_obj = Basic.get(@obj.id)
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reloaded_obj.attachments[@attachment_name].should_not be_nil
end
it "should create an attachment from file without an extension" do
@obj.create_attachment(:file => @file_no_ext, :name => @attachment_name)
@obj.save.should be_true
reloaded_obj = Basic.get(@obj.id)
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reloaded_obj.attachments[@attachment_name].should_not be_nil
end
it 'should raise ArgumentError if :file is missing' do
lambda{ @obj.create_attachment(:name => @attachment_name) }.should raise_error
end
it 'should raise ArgumentError if :name is missing' do
lambda{ @obj.create_attachment(:file => @file_ext) }.should raise_error
end
it 'should set the content-type if passed' do
@obj.create_attachment(:file => @file_ext, :name => @attachment_name, :content_type => @content_type)
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@obj.attachments[@attachment_name]['content_type'].should == @content_type
end
it "should detect the content-type automatically" do
@obj.create_attachment(:file => File.open(FIXTURE_PATH + '/attachments/couchdb.png'), :name => "couchdb.png")
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@obj.attachments['couchdb.png']['content_type'].should == "image/png"
end
it "should use name to detect the content-type automatically if no file" do
file = File.open(FIXTURE_PATH + '/attachments/couchdb.png')
file.stub!(:path).and_return("badfilname")
@obj.create_attachment(:file => File.open(FIXTURE_PATH + '/attachments/couchdb.png'), :name => "couchdb.png")
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@obj.attachments['couchdb.png']['content_type'].should == "image/png"
end
end
describe 'reading, updating, and deleting an attachment' do
before(:each) do
@obj = Basic.new
@file = File.open(FIXTURE_PATH + '/attachments/test.html')
@attachment_name = 'my_attachment'
@obj.create_attachment(:file => @file, :name => @attachment_name)
@obj.save.should be_true
@file.rewind
@content_type = 'media/mp3'
end
it 'should read an attachment that exists' do
@obj.read_attachment(@attachment_name).should == @file.read
end
it 'should update an attachment that exists' do
file = File.open(FIXTURE_PATH + '/attachments/README')
@file.should_not == file
@obj.update_attachment(:file => file, :name => @attachment_name)
@obj.save
reloaded_obj = Basic.get(@obj.id)
file.rewind
reloaded_obj.read_attachment(@attachment_name).should_not == @file.read
reloaded_obj.read_attachment(@attachment_name).should == file.read
end
it 'should set the content-type if passed' do
file = File.open(FIXTURE_PATH + '/attachments/README')
@file.should_not == file
@obj.update_attachment(:file => file, :name => @attachment_name, :content_type => @content_type)
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@obj.attachments[@attachment_name]['content_type'].should == @content_type
end
it 'should delete an attachment that exists' do
@obj.delete_attachment(@attachment_name)
@obj.save
lambda{Basic.get(@obj.id).read_attachment(@attachment_name)}.should raise_error
end
end
describe "#attachment_url" do
before(:each) do
@obj = Basic.new
@file = File.open(FIXTURE_PATH + '/attachments/test.html')
@attachment_name = 'my_attachment'
@obj.create_attachment(:file => @file, :name => @attachment_name)
@obj.save.should be_true
end
it 'should return nil if attachment does not exist' do
@obj.attachment_url('bogus').should be_nil
end
it 'should return the attachment URL as specified by CouchDB HttpDocumentApi' do
@obj.attachment_url(@attachment_name).should == "#{Basic.database}/#{@obj.id}/#{@attachment_name}"
end
it 'should return the attachment URI' do
@obj.attachment_uri(@attachment_name).should == "#{Basic.database.uri}/#{@obj.id}/#{@attachment_name}"
end
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end
describe "#attachments" do
before(:each) do
@obj = Basic.new
@file = File.open(FIXTURE_PATH + '/attachments/test.html')
@attachment_name = 'my_attachment'
@obj.create_attachment(:file => @file, :name => @attachment_name)
@obj.save.should be_true
end
it 'should return an empty Hash when document does not have any attachment' do
new_obj = Basic.new
new_obj.save.should be_true
new_obj.attachments.should == {}
end
it 'should return a Hash with all attachments' do
@file.rewind
@obj.attachments.should == { @attachment_name =>{ "data" => "PCFET0NUWVBFIGh0bWw+CjxodG1sPgogIDxoZWFkPgogICAgPHRpdGxlPlRlc3Q8L3RpdGxlPgogIDwvaGVhZD4KICA8Ym9keT4KICAgIDxwPgogICAgICBUZXN0CiAgICA8L3A+CiAgPC9ib2R5Pgo8L2h0bWw+Cg==", "content_type" => "text/html"}}
end
end
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end