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-rw-r--r--spec/lib/banzai/pipeline_spec.rb64
1 files changed, 64 insertions, 0 deletions
diff --git a/spec/lib/banzai/pipeline_spec.rb b/spec/lib/banzai/pipeline_spec.rb
new file mode 100644
index 00000000000..eeff7287ff5
--- /dev/null
+++ b/spec/lib/banzai/pipeline_spec.rb
@@ -0,0 +1,64 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+describe Banzai::Pipeline do
+ describe '.[]' do
+ subject { described_class[name] }
+
+ shared_examples 'error' do |exception, message|
+ it do
+ expect { subject }.to raise_error(exception, message)
+ end
+ end
+
+ context 'for nil' do
+ let(:name) { nil }
+
+ it { is_expected.to eq(Banzai::Pipeline::FullPipeline) }
+ end
+
+ context 'for symbols' do
+ context 'when known' do
+ let(:name) { :full }
+
+ it { is_expected.to eq(Banzai::Pipeline::FullPipeline) }
+ end
+
+ context 'when unknown' do
+ let(:name) { :unknown }
+
+ it_behaves_like 'error', NameError,
+ 'uninitialized constant Banzai::Pipeline::UnknownPipeline'
+ end
+ end
+
+ context 'for classes' do
+ let(:name) { klass }
+
+ context 'subclassing Banzai::Pipeline::BasePipeline' do
+ let(:klass) { Class.new(Banzai::Pipeline::BasePipeline) }
+
+ it { is_expected.to eq(klass) }
+ end
+
+ context 'subclassing other types' do
+ let(:klass) { Class.new(Banzai::RenderContext) }
+
+ before do
+ stub_const('Foo', klass)
+ end
+
+ it_behaves_like 'error', ArgumentError,
+ 'unsupported pipeline name Foo (Class)'
+ end
+ end
+
+ context 'for other types' do
+ let(:name) { 'label' }
+
+ it_behaves_like 'error', ArgumentError,
+ 'unsupported pipeline name "label" (String)'
+ end
+ end
+end