1 files changed, 89 insertions, 0 deletions
diff --git a/spec/lib/scope_transformer_spec.rb b/spec/lib/scope_transformer_spec.rb
new file mode 100644
index 000000000..e5a992144
--- /dev/null
+++ b/spec/lib/scope_transformer_spec.rb
@@ -0,0 +1,89 @@
+# frozen_string_literal: true
+
+require 'rails_helper'
+
+describe ScopeTransformer do
+  describe '#apply' do
+    subject { described_class.new.apply(ScopeParser.new.parse(input)) }
+
+    shared_examples 'a scope' do |namespace, term, access|
+      it 'parses the term' do
+        expect(subject.term).to eq term
+      end
+
+      it 'parses the namespace' do
+        expect(subject.namespace).to eq namespace
+      end
+
+      it 'parses the access' do
+        expect(subject.access).to eq access
+      end
+    end
+
+    context 'for scope "read"' do
+      let(:input) { 'read' }
+
+      it_behaves_like 'a scope', nil, 'all', 'read'
+    end
+
+    context 'for scope "write"' do
+      let(:input) { 'write' }
+
+      it_behaves_like 'a scope', nil, 'all', 'write'
+    end
+
+    context 'for scope "follow"' do
+      let(:input) { 'follow' }
+
+      it_behaves_like 'a scope', nil, 'follow', 'read/write'
+    end
+
+    context 'for scope "crypto"' do
+      let(:input) { 'crypto' }
+
+      it_behaves_like 'a scope', nil, 'crypto', 'read/write'
+    end
+
+    context 'for scope "push"' do
+      let(:input) { 'push' }
+
+      it_behaves_like 'a scope', nil, 'push', 'read/write'
+    end
+
+    context 'for scope "admin:read"' do
+      let(:input) { 'admin:read' }
+
+      it_behaves_like 'a scope', 'admin', 'all', 'read'
+    end
+
+    context 'for scope "admin:write"' do
+      let(:input) { 'admin:write' }
+
+      it_behaves_like 'a scope', 'admin', 'all', 'write'
+    end
+
+    context 'for scope "admin:read:accounts"' do
+      let(:input) { 'admin:read:accounts' }
+
+      it_behaves_like 'a scope', 'admin', 'accounts', 'read'
+    end
+
+    context 'for scope "admin:write:accounts"' do
+      let(:input) { 'admin:write:accounts' }
+
+      it_behaves_like 'a scope', 'admin', 'accounts', 'write'
+    end
+
+    context 'for scope "read:accounts"' do
+      let(:input) { 'read:accounts' }
+
+      it_behaves_like 'a scope', nil, 'accounts', 'read'
+    end
+
+    context 'for scope "write:accounts"' do
+      let(:input) { 'write:accounts' }
+
+      it_behaves_like 'a scope', nil, 'accounts', 'write'
+    end
+  end
+end