Refactor petition create route

Using new_petition_path instead of create_petitions_path more
accurately reflects where we're POSTing too. Also expand the
routing tests to cover other routes and ensure that we don't
accidentally start accepting RESTful routes that modify petitions.

app/views/petitions/new.html.erb

@@ -1,3 +1,3 @@
-<%= form_for @stage_manager.stage_object, :url => create_petitions_path do |f| %>
+<%= form_for @stage_manager.stage_object, url: new_petition_path do |f| %>
   <%= render_petition_form @stage_manager, f %>
 <% end %>

config/routes.rb

@@ -31,7 +31,7 @@
       collection do
         get  'check'
         get  'check_results'
-        post 'create', path: 'new', as: :create
+        post 'new', action: 'create', as: nil
       end
 
       member do

spec/routing/petitions_spec.rb

@@ -1,13 +1,73 @@
 require 'rails_helper'
 
 RSpec.describe "routes for petitions", type: :routes do
+  it "routes GET /petitions to petitions#index" do
+    expect(get("/petitions")).to route_to(controller: "petitions", action: "index")
+    expect(petitions_path).to eq("/petitions")
+  end
+
   it "routes GET /petitions/new to petitions#new" do
-    expect({:get => "/petitions/new"}).to route_to({:controller => "petitions", :action => "new"})
-    expect(new_petition_path).to eq '/petitions/new'
+    expect(get("/petitions/new")).to route_to(controller: "petitions", action: "new")
+    expect(new_petition_path).to eq("/petitions/new")
   end
 
   it "routes POST /petitions/new to petitions#create" do
-    expect({:post => "/petitions/new"}).to route_to({:controller => "petitions", :action => "create"})
-    expect(create_petitions_path).to eq('/petitions/new')
+    expect(post("/petitions/new")).to route_to(controller: "petitions", action: "create")
+    expect(new_petition_path).to eq("/petitions/new")
+  end
+
+  it "doesn't route POST /petitions" do
+    expect(post("/petitions")).not_to be_routable
+  end
+
+  it "routes GET /petitions/:id to petitions#show" do
+    expect(get("/petitions/1")).to route_to(controller: "petitions", action: "show", id: "1")
+    expect(petition_path("1")).to eq("/petitions/1")
+  end
+
+  it "doesn't route GET /petitions/:id/edit" do
+    expect(patch("/petitions/1/edit")).not_to be_routable
+  end
+
+  it "doesn't route PATCH /petitions/:id" do
+    expect(patch("/petitions/1")).not_to be_routable
+  end
+
+  it "doesn't route PUT /petitions/:id" do
+    expect(put("/petitions/1")).not_to be_routable
+  end
+
+  it "doesn't route DELETE /petitions/:id" do
+    expect(delete("/petitions/1")).not_to be_routable
+  end
+
+  it "routes GET /petitions/check to petitions#check" do
+    expect(get("/petitions/check")).to route_to(controller: "petitions", action: "check")
+    expect(check_petitions_path).to eq("/petitions/check")
+  end
+
+  it "routes GET /petitions/check_results to petitions#check_results" do
+    expect(get("/petitions/check_results")).to route_to(controller: "petitions", action: "check_results")
+    expect(check_results_petitions_path).to eq("/petitions/check_results")
+  end
+
+  it "routes GET /petitions/:id/count to petitions#count" do
+    expect(get("/petitions/1/count")).to route_to(controller: "petitions", action: "count", id: "1")
+    expect(count_petition_path("1")).to eq("/petitions/1/count")
+  end
+
+  it "routes GET /petitions/:id/thank-you to petitions#thank_you" do
+    expect(get("/petitions/1/thank-you")).to route_to(controller: "petitions", action: "thank_you", id: "1")
+    expect(thank_you_petition_path("1")).to eq("/petitions/1/thank-you")
+  end
+
+  it "routes GET /petitions/:id/gathering-support to petitions#gathering_support" do
+    expect(get("/petitions/1/gathering-support")).to route_to(controller: "petitions", action: "gathering_support", id: "1")
+    expect(gathering_support_petition_path("1")).to eq("/petitions/1/gathering-support")
+  end
+
+  it "routes GET /petitions/:id/moderation-info to petitions#moderation_info" do
+    expect(get("/petitions/1/moderation-info")).to route_to(controller: "petitions", action: "moderation_info", id: "1")
+    expect(moderation_info_petition_path("1")).to eq("/petitions/1/moderation-info")
   end
 end