Show tag count on main page

example-features/has-lots-of-tags.feature

@@ -1,5 +1,5 @@
-@tag1 @tag2
+@batman @robin
 Feature: Has lots of tags
 
-@tag @another_tag
+@green_lantern @spider_man
 Scenario: Also has some tags

features/list_tags.feature

@@ -0,0 +1,20 @@
+Feature: List Tags
+  In order to be informed of all tags
+  As a stakeholder
+  I want a list of tags to be displayed
+
+  Scenario: Multiple tags
+    Given a feature file named "sample.feature" with the contents:
+    """
+    @tag1
+    Feature: Tag Feature
+    @tag2 @multiple
+    Scenario: Tag Scenario 1
+    @tag3 @multiple
+    Scenario: Tag Scenario 2
+    """
+    When I visit the home page
+    Then I should see a link to "@tag1 (1)" with the url "/search?q=@tag1"
+    And I should see a link to "@tag2 (1)" with the url "/search?q=@tag2"
+    And I should see a link to "@tag3 (1)" with the url "/search?q=@tag3"
+    And I should see a link to "@multiple (2)" with the url "/search?q=@multiple"

lib/wally.rb

@@ -7,3 +7,4 @@
 require "wally/application"
 require "wally/lists_features"
 require "wally/search_features"
+require "wally/counts_tags"

lib/wally/application.rb

@@ -7,16 +7,11 @@
   set :haml, { :ugly=>true }
 end
 
-def features_path
-  ARGV.first || "features"
-end
-
-def lists_features
-  Wally::ListsFeatures.new(features_path)
-end
-
 before do
-  @features = lists_features.features
+  features_path = ARGV.first || "features"
+  @lists_features = Wally::ListsFeatures.new(features_path)
+  @features = @lists_features.features
+  @tag_count = Wally::CountsTags.new(@lists_features).count_tags
 end
 
 get '/?' do
@@ -32,7 +27,7 @@ def lists_features
 
 get '/search/?' do
   if params[:q]
-    @search_results = Wally::SearchFeatures.new(lists_features).find(:query => params[:q])
+    @search_results = Wally::SearchFeatures.new(@lists_features).find(:query => params[:q])
   end
   haml :search
 end

lib/wally/counts_tags.rb

@@ -0,0 +1,27 @@
+module Wally
+  class CountsTags
+    def initialize lists_features
+      @lists_features = lists_features
+    end
+
+    def count_tags
+      @lists_features.features.inject(Hash.new(0)) do |tag_count, feature|
+        if feature["tags"]
+          feature["tags"].each do |tag|
+            tag_count[tag["name"]] += 1
+          end
+        end
+        if feature["elements"]
+          feature["elements"].each do |element|
+            if element["tags"]
+              element["tags"].each do |tag|
+                tag_count[tag["name"]] += 1
+              end
+            end
+          end
+        end
+        tag_count
+      end
+    end
+  end
+end

lib/wally/version.rb

@@ -1,3 +1,3 @@
 module Wally
-  VERSION = "0.0.15"
+  VERSION = "0.0.16"
 end

lib/wally/views/index.haml

@@ -0,0 +1 @@
+

lib/wally/views/layout.haml

@@ -17,6 +17,12 @@
           %input.btn{:type => "submit", :id => "search", :value => "Search"}
     %div.container-fluid
       %div.sidebar
+        - if @tag_count.any?
+          %h2 Tags
+          - @tag_count.each do |tag, count|
+            %span.label.notice
+              %a{:href => "/search?q=#{tag}"}
+                = "#{tag} (#{count})"
         %h2
           Features
         %ul

spec/wally/counts_tags_spec.rb

@@ -0,0 +1,42 @@
+require File.join(File.dirname(__FILE__), "..", "spec_helper")
+require 'fileutils'
+require "wally/counts_tags"
+
+module Wally
+  describe CountsTags do
+    before do
+      FileUtils.mkdir_p "application-features"
+    end
+
+    after do
+      FileUtils.rm_rf "application-features"
+    end
+
+    def write_feature(name, contents)
+      File.open("application-features/#{name}", "w") do |file|
+        file.write(contents)
+      end
+    end
+
+    it "counts feature tags" do
+      write_feature("feature-1.feature", "@tag1 @tag2\nFeature: Feature 1")
+      write_feature("feature-2.feature", "@tag2 @tag2\nFeature: Feature 2")
+      lists_features = ListsFeatures.new("application-features")
+
+      CountsTags.new(lists_features).count_tags.should == {
+        "@tag1" => 1,
+        "@tag2" => 3
+      }
+    end
+
+    it "counts scenario tags" do
+      write_feature("feature-1.feature", "Feature: Feature 1\n@tag1@tag1\nScenario: Scenario 1")
+      write_feature("feature-2.feature", "Feature: Feature 2\n@tag3@tag1\nScenario: Scenario 1")
+      lists_features = ListsFeatures.new("application-features")
+      CountsTags.new(lists_features).count_tags.should == {
+        "@tag1" => 3,
+        "@tag3" => 1
+      }
+    end
+  end
+end