From 6168df35055ce29c08f8037ae6fbb4744c57526c Mon Sep 17 00:00:00 2001
From: Michael Grosser <michael@grosser.it>
Date: Thu, 31 May 2018 21:53:14 -0700
Subject: [PATCH] use actionable code coverage (#29)

---
 Gemfile                    |  1 +
 Gemfile.lock               |  2 ++
 test/pagy/frontend_test.rb | 42 ++++++++++++++++++++++++++++++++++++--
 test/pagy_test.rb          |  2 ++
 test/test_helper.rb        |  5 +++++
 5 files changed, 50 insertions(+), 2 deletions(-)

diff --git a/Gemfile b/Gemfile
index fa07ccd57..a78debc04 100644
--- a/Gemfile
+++ b/Gemfile
@@ -12,6 +12,7 @@ gem 'benchmark-ips'
 gem 'kalibera'
 gem 'memory_profiler'
 gem 'rubocop', '~> 0.55.0' # needs to be fixed since it constantly adds new cops
+gem 'single_cov'
 
 
 gem "github-pages", group: :jekyll_plugins
diff --git a/Gemfile.lock b/Gemfile.lock
index 33309e4c8..12669a0e9 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -257,6 +257,7 @@ GEM
     sawyer (0.8.1)
       addressable (>= 2.3.5, < 2.6)
       faraday (~> 0.8, < 1.0)
+    single_cov (1.0.3)
     slim (3.0.9)
       temple (>= 0.7.6, < 0.9)
       tilt (>= 1.3.3, < 2.1)
@@ -285,6 +286,7 @@ DEPENDENCIES
   rack
   rake (~> 10.0)
   rubocop (~> 0.55.0)
+  single_cov
   slim
 
 BUNDLED WITH
diff --git a/test/pagy/frontend_test.rb b/test/pagy/frontend_test.rb
index 6390b1fcf..796e5272b 100644
--- a/test/pagy/frontend_test.rb
+++ b/test/pagy/frontend_test.rb
@@ -1,8 +1,9 @@
 require_relative '../test_helper'
 require 'rack'
 
-describe Pagy::Frontend do
+SingleCov.covered!
 
+describe Pagy::Frontend do
   class TestView
     include Pagy::Frontend
 
@@ -71,6 +72,44 @@ def test_pagy_nav_page_6
       frontend.pagy_nav(pagy)
       )
     end
+
+    def test_pagy_nav_page_10
+      @array = (1..1000).to_a.extend(Pagy::Array::PageMethod)
+      pagy, _ = @array.pagy(10)
+
+      assert_equal(
+        '<nav class="pagy-nav pagination" role="navigation" aria-label="pager">' \
+          '<span class="page prev"><a href="/foo?page=9" rel="prev" aria-label="previous">&lsaquo;&nbsp;Prev</a></span> ' \
+          '<span class="page"><a href="/foo?page=1">1</a></span> ' \
+          '<span class="page gap">&hellip;</span> ' \
+          '<span class="page"><a href="/foo?page=6">6</a></span> ' \
+          '<span class="page"><a href="/foo?page=7">7</a></span> ' \
+          '<span class="page"><a href="/foo?page=8">8</a></span> ' \
+          '<span class="page"><a href="/foo?page=9" rel="prev">9</a></span> ' \
+          '<span class="page active">10</span> ' \
+          '<span class="page"><a href="/foo?page=11" rel="next">11</a></span> ' \
+          '<span class="page"><a href="/foo?page=12">12</a></span> ' \
+          '<span class="page"><a href="/foo?page=13">13</a></span> ' \
+          '<span class="page"><a href="/foo?page=14">14</a></span> ' \
+          '<span class="page gap">&hellip;</span> ' \
+          '<span class="page"><a href="/foo?page=50">50</a></span> ' \
+          '<span class="page next"><a href="/foo?page=11" rel="next" aria-label="next">Next&nbsp;&rsaquo;</a></span></nav>',
+        frontend.pagy_nav(pagy)
+      )
+    end
+
+    def test_link_extras
+      pagy, _ = @array.pagy(1, link_extra: "X")
+      frontend.pagy_nav(pagy).must_include '?page=2" X rel'
+    end
+  end
+
+  describe "#pagy_link_proc" do
+    it "renders with extras" do
+      @array = (1..103).to_a.extend(Pagy::Array::PageMethod)
+      pagy, _ = @array.pagy(1)
+      frontend.pagy_link_proc(pagy, "X").call(1).must_equal '<a href="/foo?page=1" X>1</a>'
+    end
   end
 
   describe "#pagy_t" do
@@ -125,5 +164,4 @@ def test_render_info_with_existing_118n_key
       assert_equal "Displaying Products <b>41-60</b> of <b>100</b> in total", frontend.pagy_info(pagy)
     end
   end
-
 end
diff --git a/test/pagy_test.rb b/test/pagy_test.rb
index 23acd7c38..414359153 100644
--- a/test/pagy_test.rb
+++ b/test/pagy_test.rb
@@ -1,5 +1,7 @@
 require_relative 'test_helper'
 
+SingleCov.covered!
+
 describe Pagy do
   let(:pagy) { Pagy.new count: 100, page: 4 }
 
diff --git a/test/test_helper.rb b/test/test_helper.rb
index f5dd8d23d..435f9079a 100644
--- a/test/test_helper.rb
+++ b/test/test_helper.rb
@@ -1,3 +1,8 @@
+require 'bundler/setup'
+
+require 'single_cov'
+SingleCov.setup :minitest
+
 $LOAD_PATH.unshift File.expand_path("../../lib", __FILE__)
 require 'pagy'
 require_relative 'array'