[deploy] LiquidTagBase spec (#9107)

spec/liquid_tags/liquid_tag_base_spec.rb

@@ -0,0 +1,79 @@
+require "rails_helper"
+
+RSpec.describe LiquidTagBase, type: :liquid_tag do
+  # #new and #initialize are both private methods in Liquid::Tag, which is what
+  # LiquidTagBase inherits from, so we treat this class as a liquid tag itself.
+  setup { Liquid::Template.register_tag("liquid_tag_base", described_class) }
+
+  context "when VALID_CONTEXTS are defined" do
+    before { stub_const("#{described_class}::VALID_CONTEXTS", %w[Article]) }
+
+    it "raises an error for invalid contexts" do
+      source = create(:comment)
+      expect do
+        liquid_tag_options = { source: source, user: source.user }
+        Liquid::Template.parse("{% liquid_tag_base %}", liquid_tag_options)
+      end.to raise_error(LiquidTags::Errors::InvalidParseContext)
+    end
+
+    it "doesn't raise an error for valid contexts" do
+      source = create(:article)
+      expect do
+        liquid_tag_options = { source: source, user: source.user }
+        Liquid::Template.parse("{% liquid_tag_base %}", liquid_tag_options)
+      end.not_to raise_error(LiquidTags::Errors::InvalidParseContext)
+    end
+  end
+
+  context "when VALID_CONTEXTS aren't defined" do
+    it "does not validate contexts" do
+      source = create(:article)
+      liquid_tag_options = { source: source, user: source.user }
+      expect do
+        Liquid::Template.parse("{% liquid_tag_base %}", liquid_tag_options)
+      end.not_to raise_error(LiquidTags::Errors::InvalidParseContext)
+    end
+  end
+
+  context "when VALID_ROLES are defined" do
+    it "raises an error for invalid roles" do
+      source = create(:article)
+      liquid_tag_options = { source: source, user: source.user }
+      stub_const("#{described_class}::VALID_ROLES", %i[admin])
+      expect do
+        Liquid::Template.parse("{% liquid_tag_base %}", liquid_tag_options)
+      end.to raise_error(Pundit::NotAuthorizedError)
+    end
+
+    it "doesn't raise an error for valid roles" do
+      author = create(:user, :admin)
+      source = create(:article, user: author)
+      liquid_tag_options = { source: source, user: source.user }
+      stub_const("#{described_class}::VALID_ROLES", %i[admin])
+      expect do
+        Liquid::Template.parse("{% liquid_tag_base %}", liquid_tag_options)
+      end.not_to raise_error(Pundit::NotAuthorizedError)
+    end
+
+    it "validates single resource roles" do
+      # TODO: (Alex Smith) - update roles to new liquid tag role for more relevant example/use
+      author = create(:user, :single_resource_admin, resource: Article)
+      source = create(:article, user: author)
+      liquid_tag_options = { source: source, user: source.user }
+      stub_const("#{described_class}::VALID_ROLES", [[:single_resource_admin, Article]])
+      expect do
+        Liquid::Template.parse("{% liquid_tag_base %}", liquid_tag_options)
+      end.not_to raise_error(Pundit::NotAuthorizedError)
+    end
+  end
+
+  context "when VALID_ROLES are not defined" do
+    it "doesn't validate roles" do
+      source = create(:article)
+      liquid_tag_options = { source: source, user: source.user }
+      expect do
+        Liquid::Template.parse("{% liquid_tag_base %}", liquid_tag_options)
+      end.not_to raise_error(Pundit::NotAuthorizedError)
+    end
+  end
+end