116 lines
3.1 KiB
Ruby
116 lines
3.1 KiB
Ruby
# frozen_string_literal: true
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require "dry/view/scope_builder"
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RSpec.describe Dry::View::Scope do
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let(:locals) { {} }
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context "with a render environment" do
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subject(:scope) {
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described_class.new(
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locals: locals,
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render_env: render_env
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)
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}
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let(:render_env) { spy(:render_env, format: :xml, context: context) }
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let(:context) { double(:context) }
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describe "#render" do
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it "renders a partial with itself as the scope" do
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scope.render(:info)
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expect(render_env).to have_received(:partial).with(:info, scope)
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end
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it "renders a partial with provided locals" do
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scope_with_locals = described_class.new(
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locals: {foo: "bar"},
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render_env: render_env
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)
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scope.render(:info, foo: "bar")
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expect(render_env).to have_received(:partial).with(:info, scope_with_locals)
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end
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end
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describe "#_format" do
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it "returns the render environments's format" do
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expect(scope._format).to eq :xml
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end
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end
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describe "#_context" do
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it "returns the render environment's context" do
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expect(scope._context).to be context
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end
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end
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describe "#method_missing" do
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describe "matching locals" do
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let(:locals) { {greeting: "hello from locals"} }
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let(:context) { double(:context, greeting: "hello from context") }
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it "returns a matching value from the locals, in favour of a matching method on the context" do
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expect(scope.greeting).to eq "hello from locals"
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end
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end
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describe "matching context" do
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let(:context) { double(:context, greeting: "hello from context") }
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it "calls the matching method on the context" do
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expect(scope.greeting).to eq "hello from context"
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end
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it "forwards all arguments to the method" do
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blk = -> {}
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scope.greeting "args", &blk
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expect(context).to have_received(:greeting).with("args", &blk)
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end
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end
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describe "matching convenience methods" do
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it "provides #context" do
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expect(scope.context).to be context
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end
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it "provides #locals" do
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expect(scope.locals).to be locals
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end
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end
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describe "no matches" do
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it "raises an error" do
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expect { scope.greeting }.to raise_error(NoMethodError)
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end
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end
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end
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end
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context "without a render environment" do
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subject(:scope) {
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described_class.new(locals: locals)
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}
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describe "#render" do
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it "raises an error" do
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expect { scope.render(:info) }.to raise_error(Dry::View::RenderEnvironmentMissing::MissingEnvironmentError)
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end
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end
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describe "#scope" do
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it "raises an error" do
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expect { scope.scope(:info) }.to raise_error(Dry::View::RenderEnvironmentMissing::MissingEnvironmentError)
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end
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end
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describe "#_context" do
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it "raises an error" do
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expect { scope._context }.to raise_error(Dry::View::RenderEnvironmentMissing::MissingEnvironmentError)
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end
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end
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end
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end
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