Module: Selfie::DSL

Defined in:
lib/selfie/dsl.rb

Instance Method Summary collapse

Instance Method Details

#make_report ⇒ Object 



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# File 'lib/selfie/dsl.rb', line 8

def make_report
  process_images
  File.write("snap.html", ERB.new(template).result(binding))
end

#open_report ⇒ Object 



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# File 'lib/selfie/dsl.rb', line 13

def open_report
  `open snap.html`
end

#process_images ⇒ Object 



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# File 'lib/selfie/dsl.rb', line 17

def process_images
  @diff = []
  @has_diff = Dir.exist? snap_reference_dir

  for snap in @snaps
    name = snap[:name]
    snap[:src]  = src  = "tmp/snap/current/#{name}.png"

    next unless @has_diff

    snap[:diff] = diff = "tmp/snap/current/#{name}_diff.png"
    snap[:ref]  = ref  = "#{snap_reference_dir}/#{name}.png"

    `compare #{ref} #{src} #{diff}`
    cmd = "convert #{ref} #{src} -compose Difference -composite -colorspace gray -format '%[fx:mean*100]' info:"

    snap[:psr] = (`#{cmd}`).strip.to_f
    snap[:changed] = snap[:psr] > snap[:threshold]

    @diff << snap if snap[:changed]
  end
end

#setup_selfie ⇒ Object 



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# File 'lib/selfie/dsl.rb', line 54

def setup_selfie
  @snaps = []
  @film = 0
  `rm -rf tmp/snap/current`
  `mkdir -p tmp/snap/current`
end

#snap!(name, options = {}) ⇒ Object 



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# File 'lib/selfie/dsl.rb', line 40

def snap!(name, options={})

  name = ("%03d" % @film += 1) + "_#{name}"
  path = "tmp/snap/current/#{name}.png"

  snap = {name: name, url: current_url}
  snap[:threshold] = 0

  snap.merge!(options)

  @snaps << snap
  save_screenshot(path, :full => true)
end

#snap_reference_dir ⇒ Object 



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# File 'lib/selfie/dsl.rb', line 3

def snap_reference_dir
  asset = self.class.name.gsub(/Test$/,'').underscore
  asset_dir = File.join 'test','assets', asset
end

#template ⇒ Object 



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# File 'lib/selfie/dsl.rb', line 61

def template
  <<-ERB

    <style>
      body {
        color:#4a4a4a;
        background-color:#efefef;
      }
      .paper  {
        border:1px solid #d0d0d0;
        font-family:helvetica;
        padding:20px;
        width:1500px;
        margin:50px auto; border:1px solid #efefef;
        border-radius:10px;
        background-color:white;
      }
      .no-ref {
        background-color:#efeeef;padding:10px; border-radius:5px;
      }
      p {
        word-wrap: break-word;
      }
      hr {
        border-color:#d0d0d0
      }
      .results img { border:10px solid #efefef; width:720px; }
      .failed     { color:#FF9999; }
      .img-failed img { border-color:#FF9999;}
      .logo {float:right;width:80px; border-radius:5px;width:60px;height:60px}
    </style>

    <title>Selfie results</title>
    <body>
    <div class='paper'>
    <img class='logo' title='Emile <3 you!' src='https://0.gravatar.com/avatar/aca8aad5245e144c9222102decb1776e&s=440'/>

    <h1 class='<%=(@diff.empty? ? "success" : "failed") %>'>Selfie - <%=(@diff.empty? ? "Lookin' good :)" : "Things changed") %></h1>

    <hr size=1/>

    <% unless @has_diff %>
      <div class='no-ref'>No reference images path defined in '<%=snap_reference_dir%>' -
      You can copy this: 'cp -R tmp/snap/current <%=snap_reference_dir%>'
      </div>
    <% end %>

    <div class='results'>
    <% unless @diff.empty? %>
      <h2>These <%[email protected]%> snaps are different</h2>
      <% for snap in  @diff %>
        <div class='<%=(snap[:changed] ? "img-failed" : "img-success")%>'>
        <h3><%=snap[:name]%> (<%=snap[:psr]%>)</h3>
        <p><%=snap[:url]%></p>
        <p><%=snap[:note]%></p>
        <a href='<%=snap[:src]%>'><img src='<%=snap[:src]%>'/ ></a>
        <a href='<%=snap[:diff]%>'><img src='<%=snap[:diff]%>'/ ></a>
        </div>
      <% end %>
     <hr size=1/>
    <% end %>

    <h2>All snaps</h2>
    <% for snap in  @snaps %>
      <div class='<%=(snap[:changed] ? "img-failed" : "img-success")%>'>
      <h3><%=snap[:name]%> (<%=snap[:psr]%>)</h3>
      <p><%=snap[:url]%></p>
      <p><%=snap[:note]%></p>
      <a href='<%=snap[:src]%>'><img src='<%=snap[:src]%>'/ ></a>
      <a href='<%=snap[:diff]%>'><img src='<%=snap[:diff]%>'/ ></a>
      </div>
    <% end %>
    </div>
    </div>
    </body>
  ERB
end