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Feature: Using `stub_template`
In order to isolate view specs from the partials rendered by the primary
view, rspec-rails (since 2.2) provides the stub_template method.
Scenario: Stub a template that does not exist
Given a file named "spec/views/gadgets/list.html.erb_spec.rb" with:
"""ruby
require "rails_helper"
RSpec.describe "gadgets/list" , type: :view do
it "renders the gadget partial for each gadget" do
assign(:gadgets, [
double(:name => "First"),
double(:name => "Second")
])
stub_template "gadgets/_gadget.html.erb" => "<%= gadget.name %><br/>"
render
expect(rendered).to match /First/
expect(rendered).to match /Second/
end
end
"""
And a file named "app/views/gadgets/list.html.erb" with:
"""
<%= render :partial => "gadget", :collection => @gadgets %>
"""
When I run `rspec spec/views/gadgets/list.html.erb_spec.rb`
Then the examples should all pass
Scenario: Stub a template that exists
Given a file named "spec/views/gadgets/edit.html.erb_spec.rb" with:
"""ruby
require "rails_helper"
RSpec.describe "gadgets/edit" , type: :view do
before(:each) do
@gadget = assign(:gadget, Gadget.create!)
end
it "renders the form partial" do
stub_template "gadgets/_form.html.erb" => "This content"
render
expect(rendered).to match /This content/
end
end
"""
When I run `rspec spec/views/gadgets/edit.html.erb_spec.rb`
Then the examples should all pass
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