Allowing strings for some inputs on text

Also writing mock object tests

lib/squib/graphics/text.rb

@@ -40,15 +40,15 @@ module Squib
     # :nodoc:
     # @api private
     def wrap(layout, wrap)
-      unless wrap.nil?
-        h = { :word  => Pango::Layout::WRAP_WORD,
-              :char => Pango::Layout::WRAP_CHAR,
-              :word_char    => Pango::Layout::WRAP_WORD_CHAR,
-              true    => Pango::Layout::WRAP_WORD_CHAR,
-              false => nil,
-              :none => nil
-            }
-        layout.wrap = h[wrap]
+      layout.wrap = case wrap.to_s
+                    when 'word'
+                      Pango::Layout::WRAP_WORD
+                    when 'char'
+                      Pango::Layout::WRAP_CHAR
+                    when 'word_char', true
+                      Pango::Layout::WRAP_WORD_CHAR
+                    else
+                      nil
                     end
       layout
     end
@@ -56,12 +56,13 @@ module Squib
     # :nodoc:
     # @api private
     def align(layout, align)
-      unless align.nil?
-          h = { :left => Pango::ALIGN_LEFT,
-                :right => Pango::ALIGN_RIGHT,
-                :center => Pango::ALIGN_CENTER
-              }
-          layout.alignment = h[align]
+      case align.to_s
+      when 'left'
+        layout.alignment = Pango::ALIGN_LEFT
+      when 'right'
+        layout.alignment = Pango::ALIGN_RIGHT
+      when 'center'
+        layout.alignment = Pango::ALIGN_CENTER
       end
       layout
     end
@@ -71,10 +72,10 @@ module Squib
     def valign(cc, layout, x, y, valign)
       if layout.height > 0
         ink_extents = layout.extents[1]
-        case valign
-        when :middle
+        case valign.to_s
+        when 'middle'
           cc.move_to(x, y + (layout.height - ink_extents.height) / (2 * Pango::SCALE))
-        when :bottom
+        when 'bottom'
           cc.move_to(x, y + (layout.height - ink_extents.height) / Pango::SCALE)
         end
       end

spec/graphics/graphics_text_spec.rb

@@ -0,0 +1,98 @@
+require 'spec_helper'
+require 'squib'
+
+describe Squib::Card, '#text' do
+
+  context 'typical inputs' do
+    before(:each) do
+      @deck    = double(Squib::Deck)
+      @context = double(Cairo::Context)
+      @layout  = double(Pango::Layout)
+      allow(Cairo::Context).to receive(:new).and_return(@context)
+    end
+
+    it 'make all the expected calls on a smoke test' do
+      mock_squib_logger(@old_logger) do
+        expect(Squib.logger).to receive(:debug).once
+        expect(@context).to receive(:save).once
+        expect(@context).to receive(:set_source_color).once
+        expect(@context).to receive(:move_to).with(10, 15).once
+        expect(@context).to receive(:rotate).with(0.0).once
+        expect(@context).to receive(:create_pango_layout).once.and_return(@layout)
+        expect(@layout).to receive(:font_description=).with(Pango::FontDescription.new('Sans 12')).once
+        expect(@layout).to receive(:text=).with('foo').once
+        expect(@layout).to receive(:width=).with(20 * Pango::SCALE).once
+        expect(@layout).to receive(:height=).with(25 * Pango::SCALE).once
+        expect(@layout).to receive(:wrap=).with(nil).once
+        expect(@layout).to receive(:ellipsize=).with(Pango::Layout::ELLIPSIZE_NONE).once
+        expect(@layout).to receive(:alignment=).with(Pango::Layout::ALIGN_LEFT).once
+        expect(@layout).to receive(:justify=).with(false).once
+        expect(@layout).to receive(:spacing=).with(1.0 * Pango::SCALE).once
+        expect(@context).to receive(:update_pango_layout).once
+        expect(@layout).to receive(:height).once.and_return(25)
+        expect(@layout).to receive(:extents).once.and_return([0,0])
+        expect(@context).to receive(:update_pango_layout).once
+        expect(@context).to receive(:show_pango_layout).once
+        expect(@context).to receive(:restore).once
+
+        card = Squib::Card.new(@deck, 100, 150)
+        # text(str, font, font_size, color,
+        #      x, y, width, height,
+        #      markup, justify, wrap, ellipsize,
+        #      spacing, align, valign, hint, angle)
+        card.text('foo', 'Sans 12', nil, '#abc',
+                  10, 15, 20, 25,
+                  nil, false, false, false,
+                  1.0, :left, :top, nil, 0.0)
+      end
+    end
+  end
+
+  context 'convenience lookups' do
+    before(:each) do
+      @deck    = double(Squib::Deck)
+      @context = double(Cairo::Context).as_null_object
+      @layout  = double(Pango::Layout).as_null_object
+      @extents = double("extents")
+      allow(Cairo::Context).to receive(:new).and_return(@context)
+      expect(@context).to receive(:create_pango_layout).once.and_return(@layout)
+    end
+
+    it 'aligns right with strings' do
+      card = Squib::Card.new(@deck, 100, 150)
+      expect(@layout).to receive(:alignment=).with(Pango::Layout::ALIGN_RIGHT).once
+      card.text('foo', 'Sans 12', nil, '#abc',
+                10, 15, 20, 50,
+                nil, false, false, false,
+                1.0, 'right', :top, nil, 0.0)
+    end
+
+    it 'aligns center with strings' do
+      card = Squib::Card.new(@deck, 100, 150)
+      expect(@layout).to receive(:alignment=).with(Pango::Layout::ALIGN_CENTER).once
+      card.text('foo', 'Sans 12', nil, '#abc',
+                10, 15, 20, 50,
+                nil, false, false, false,
+                1.0, 'center', :top, nil, 0.0)
+    end
+
+    it 'sets wrap to char with string char' do
+      card = Squib::Card.new(@deck, 100, 150)
+      expect(@layout).to receive(:wrap=).with(Pango::Layout::WRAP_CHAR).once
+      card.text('foo', 'Sans 12', nil, '#abc',
+                10, 15, 20, 50,
+                nil, false, 'char', false,
+                1.0, :left, :top, nil, 0.0)
+    end
+
+    it 'sets wrap to word_char with symbol word_char' do
+      card = Squib::Card.new(@deck, 100, 150)
+      expect(@layout).to receive(:wrap=).with(Pango::Layout::WRAP_WORD_CHAR).once
+      card.text('foo', 'Sans 12', nil, '#abc',
+                10, 15, 20, 50,
+                nil, false, :word_char, false,
+                1.0, :left, :top, nil, 0.0)
+    end
+
+  end
+end

spec/input_helpers_spec.rb

@@ -7,13 +7,6 @@ class DummyDeck
   attr_accessor :layout, :cards, :custom_colors
 end
 
-module Squib
-  def logger=(l)
-    @logger = l
-  end
-  module_function 'logger='
-end
-
 describe Squib::InputHelpers do
 
   before(:each) do

spec/spec_helper.rb

@@ -1,5 +1,6 @@
 require 'simplecov'
 require 'coveralls'
+require 'squib'
 
 SimpleCov.formatter = SimpleCov::Formatter::MultiFormatter[
   SimpleCov::Formatter::HTMLFormatter,
@@ -7,10 +8,24 @@ SimpleCov.formatter = SimpleCov::Formatter::MultiFormatter[
 ]
 SimpleCov.start
 
+RSpec.configure do |config|
+  config.mock_with :rspec do |mocks|
+    mocks.verify_partial_doubles = true
+  end
+end
+
 def test_file(str)
   "#{File.expand_path(File.dirname(__FILE__))}/data/#{str}"
 end
 
+# Refine Squib to allow setting the logger
+module Squib
+  def logger=(l)
+    @logger = l
+  end
+  module_function 'logger='
+end
+
 def mock_squib_logger(old_logger)
   old_logger = Squib.logger
   Squib.logger = instance_double(Logger)