This test depends on ActionView

kaminari-core/test/helpers/paginator_tags_test.rb

@@ -1,71 +1,73 @@
 # frozen_string_literal: true
 require 'test_helper'
 
-class PaginatorTagsTest < ActionView::TestCase
+if defined? ActionView
-  # A test paginator that can detect instantiated tags inside
+  class PaginatorTagsTest < ActionView::TestCase
-  class TagSpy < Kaminari::Helpers::Paginator
+    # A test paginator that can detect instantiated tags inside
-    def initialize(*)
+    class TagSpy < Kaminari::Helpers::Paginator
-      super
+      def initialize(*)
-      @tags = []
+        super
+        @tags = []
+      end
+
+      def page_tag(page)
+        @tags << page.to_i
+        super
+      end
+
+      %w[first_page prev_page next_page last_page gap].each do |tag|
+        eval <<-DEF, nil, __FILE__, __LINE__ + 1
+          def #{tag}_tag
+            @tags << :#{tag}
+            super
+          end
+        DEF
+      end
+
+      def partial_path
+        'kaminari/paginator'
+      end
+
+      def to_s
+        super
+        @tags
+      end
     end
 
-    def page_tag(page)
+    def tags_for(collection, window: 4, outer_window: 0)
-      @tags << page.to_i
+      view.paginate(collection, paginator_class: TagSpy, window: window, outer_window: outer_window, params: {controller: 'users', action: 'index'})
-      super
     end
 
-    %w[first_page prev_page next_page last_page gap].each do |tag|
+    teardown do
-      eval <<-DEF, nil, __FILE__, __LINE__ + 1
+      User.delete_all
-        def #{tag}_tag
-          @tags << :#{tag}
-          super
-        end
-      DEF
     end
 
-    def partial_path
+    test '1 page in total' do
-      'kaminari/paginator'
+      3.times {|i| User.create! name: "user#{i}"}
+      assert_empty tags_for(User.page(1).per(3))
     end
 
-    def to_s
+    sub_test_case 'when having 1 outer_window (and 1 inner window)' do
-      super
+      def tags_for(collection, window: 1, outer_window: 1)
-      @tags
+        super
-    end
+      end
-  end
 
-  def tags_for(collection, window: 4, outer_window: 0)
+      test '10 pages in total' do
-    view.paginate(collection, paginator_class: TagSpy, window: window, outer_window: outer_window, params: {controller: 'users', action: 'index'})
+        20.times {|i| User.create! name: "user#{i}"}
-  end
 
-  teardown do
+        assert_equal [1, 2, :gap, 10, :next_page, :last_page], tags_for(User.page(1).per(2))
-    User.delete_all
+        assert_equal [:first_page, :prev_page, 1, 2, 3, :gap, 10, :next_page, :last_page], tags_for(User.page(2).per(2))
-  end
+        assert_equal [:first_page, :prev_page, 1, 2, 3, 4, :gap, 10, :next_page, :last_page], tags_for(User.page(3).per(2))
-
+        # the 3rd page doesn't become a gap because it's a single gap
-  test '1 page in total' do
+        assert_equal [:first_page, :prev_page, 1, 2, 3, 4, 5, :gap, 10, :next_page, :last_page], tags_for(User.page(4).per(2))
-    3.times {|i| User.create! name: "user#{i}"}
+        assert_equal [:first_page, :prev_page, 1, :gap, 4, 5, 6, :gap, 10, :next_page, :last_page], tags_for(User.page(5).per(2))
-    assert_empty tags_for(User.page(1).per(3))
+        assert_equal [:first_page, :prev_page, 1, :gap, 5, 6, 7, :gap, 10, :next_page, :last_page], tags_for(User.page(6).per(2))
-  end
+        # the 9th page doesn't become a gap because it's a single gap
-
+        assert_equal [:first_page, :prev_page, 1, :gap, 6, 7, 8, 9, 10, :next_page, :last_page], tags_for(User.page(7).per(2))
-  sub_test_case 'when having 1 outer_window (and 1 inner window)' do
+        assert_equal [:first_page, :prev_page, 1, :gap, 7, 8, 9, 10, :next_page, :last_page], tags_for(User.page(8).per(2))
-    def tags_for(collection, window: 1, outer_window: 1)
+        assert_equal [:first_page, :prev_page, 1, :gap, 8, 9, 10, :next_page, :last_page], tags_for(User.page(9).per(2))
-      super
+        assert_equal [:first_page, :prev_page, 1, :gap, 9, 10], tags_for(User.page(10).per(2))
-    end
+      end
-
-    test '10 pages in total' do
-      20.times {|i| User.create! name: "user#{i}"}
-
-      assert_equal [1, 2, :gap, 10, :next_page, :last_page], tags_for(User.page(1).per(2))
-      assert_equal [:first_page, :prev_page, 1, 2, 3, :gap, 10, :next_page, :last_page], tags_for(User.page(2).per(2))
-      assert_equal [:first_page, :prev_page, 1, 2, 3, 4, :gap, 10, :next_page, :last_page], tags_for(User.page(3).per(2))
-      # the 3rd page doesn't become a gap because it's a single gap
-      assert_equal [:first_page, :prev_page, 1, 2, 3, 4, 5, :gap, 10, :next_page, :last_page], tags_for(User.page(4).per(2))
-      assert_equal [:first_page, :prev_page, 1, :gap, 4, 5, 6, :gap, 10, :next_page, :last_page], tags_for(User.page(5).per(2))
-      assert_equal [:first_page, :prev_page, 1, :gap, 5, 6, 7, :gap, 10, :next_page, :last_page], tags_for(User.page(6).per(2))
-      # the 9th page doesn't become a gap because it's a single gap
-      assert_equal [:first_page, :prev_page, 1, :gap, 6, 7, 8, 9, 10, :next_page, :last_page], tags_for(User.page(7).per(2))
-      assert_equal [:first_page, :prev_page, 1, :gap, 7, 8, 9, 10, :next_page, :last_page], tags_for(User.page(8).per(2))
-      assert_equal [:first_page, :prev_page, 1, :gap, 8, 9, 10, :next_page, :last_page], tags_for(User.page(9).per(2))
-      assert_equal [:first_page, :prev_page, 1, :gap, 9, 10], tags_for(User.page(10).per(2))
     end
   end
 end