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Merge pull request #37 from jrgriffiniii/v3-empty-display-content
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Ensures that empty DisplayContent values within IIIFv3 Manifest generation are handled
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escowles authored Jun 10, 2019
2 parents 92e2c56 + 28061f1 commit 0019831
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Showing 3 changed files with 146 additions and 2 deletions.
2 changes: 2 additions & 0 deletions .rubocop_todo.yml
Original file line number Diff line number Diff line change
Expand Up @@ -22,6 +22,7 @@ Metrics/AbcSize:
Metrics/LineLength:
Exclude:
- 'iiif_manifest.gemspec'
- 'lib/iiif_manifest/v3/manifest_builder/canvas_builder.rb'

# Offense count: 1
# Configuration parameters: AssignmentOnly.
Expand Down Expand Up @@ -52,6 +53,7 @@ RSpec/ExampleLength:
- 'spec/lib/iiif_manifest/v3/manifest_factory_spec.rb'
- 'spec/lib/iiif_manifest/v3/manifest_builder/body_builder_spec.rb'
- 'spec/lib/iiif_manifest/v3/manifest_builder/structure_builder_spec.rb'
- 'spec/lib/iiif_manifest/v3/manifest_builder/canvas_builder_spec.rb'

# Offense count: 20
Style/Documentation:
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2 changes: 1 addition & 1 deletion lib/iiif_manifest/v3/manifest_builder/canvas_builder.rb
Original file line number Diff line number Diff line change
Expand Up @@ -46,7 +46,7 @@ def display_image
end

def display_content
Array.wrap(record.display_content) if record.respond_to?(:display_content)
Array.wrap(record.display_content) if record.respond_to?(:display_content) && record.display_content.present?
end

def apply_record_properties
Expand Down
144 changes: 143 additions & 1 deletion spec/lib/iiif_manifest/v3/manifest_builder/canvas_builder_spec.rb
Original file line number Diff line number Diff line change
@@ -1,12 +1,15 @@
require 'spec_helper'

RSpec.describe IIIFManifest::V3::ManifestBuilder::CanvasBuilder do
let(:content_builder) do
IIIFManifest::V3::ManifestBuilder::ContentBuilder
end
let(:builder) do
described_class.new(
record,
parent,
iiif_canvas_factory: IIIFManifest::V3::ManifestBuilder::IIIFManifest::Canvas,
content_builder: IIIFManifest::V3::ManifestBuilder::ContentBuilder,
content_builder: content_builder,
choice_builder: IIIFManifest::V3::ManifestBuilder::ChoiceBuilder,
iiif_annotation_page_factory: IIIFManifest::V3::ManifestBuilder::IIIFManifest::AnnotationPage
)
Expand Down Expand Up @@ -44,4 +47,143 @@
end
end
end

describe '#canvas' do
let(:record) do
MyWork.new
end

after do
Object.send(:remove_const, :MyWork)
end

context 'when the display content is empty for an item' do
before do
class MyWork
def id
'test-22'
end

def display_content
[]
end
end
end

it 'generates the canvas' do
canvas = builder.canvas
expect(canvas).to be_a IIIFManifest::V3::ManifestBuilder::IIIFManifest::Canvas
values = canvas.inner_hash

expect(values).to include "type" => "Canvas"
expect(values).to include "id" => "http://test.host/books/book-77/manifest/canvas/test-22"

expect(values).to include 'items'
items = values['items']
expect(items.length).to eq 1
page = items.first
expect(page).to be_a IIIFManifest::V3::ManifestBuilder::IIIFManifest::AnnotationPage
expect(page.items).to be_empty
end
end

context 'when the display content is populated for a record' do
let(:url) { 'http://example.com/img1' }
let(:display_content) do
IIIFManifest::V3::DisplayContent.new(url,
width: 640,
height: 480,
type: 'Image',
format: 'image/jpeg',
label: 'full')
end
let(:record) do
MyWork.new(display_content: display_content)
end

before do
class MyWork
attr_reader :display_content

def initialize(display_content:)
@display_content = display_content
end

def id
'test-22'
end
end

allow(body_builder).to receive(:apply).and_return(iiif_body)
allow(body_builder_factory).to receive(:new).and_return(body_builder)
allow(iiif_annotation_factory).to receive(:new).and_return(iiif_annotation)
allow(content_builder).to receive(:new).and_return(built_content)
end

let(:iiif_body) do
body = IIIFManifest::V3::ManifestBuilder::IIIFManifest::Body.new
body['width'] = '100px'
body['height'] = '100px'
body['duration'] = nil
body
end

let(:iiif_annotation) do
annotation = IIIFManifest::V3::ManifestBuilder::IIIFManifest::Annotation.new
annotation.body = iiif_body
annotation
end

let(:iiif_annotation_factory) do
double
end

let(:body_builder) do
instance_double(IIIFManifest::V3::ManifestBuilder::BodyBuilder)
end

let(:body_builder_factory) do
double
end

let(:built_content) do
IIIFManifest::V3::ManifestBuilder::ContentBuilder.new(
record.display_content,
iiif_annotation_factory: iiif_annotation_factory,
body_builder_factory: body_builder_factory
)
end

let(:content_builder) do
double
end

it 'generates the canvas' do
canvas = builder.canvas
expect(canvas).to be_a IIIFManifest::V3::ManifestBuilder::IIIFManifest::Canvas
values = canvas.inner_hash

expect(values).to include "type" => "Canvas"
expect(values).to include "id" => "http://test.host/books/book-77/manifest/canvas/test-22"

expect(values).to include 'items'
items = values['items']
expect(items.length).to eq 1
page = items.first
expect(page).to be_a IIIFManifest::V3::ManifestBuilder::IIIFManifest::AnnotationPage
items = page.items
expect(items.length).to eq 1
annotation = items.first
expect(annotation).to be_a IIIFManifest::V3::ManifestBuilder::IIIFManifest::Annotation
values = annotation.inner_hash
expect(values).to include('body')
body = values['body']
expect(body).to be_a IIIFManifest::V3::ManifestBuilder::IIIFManifest::Body
values = body.inner_hash
expect(values).to include "width" => "100px"
expect(values).to include "height" => "100px"
expect(values).to include "duration" => nil
end
end
end
end

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