test/hexapdf/layout/test_inline_box.rb in hexapdf-0.31.0 vs test/hexapdf/layout/test_inline_box.rb in hexapdf-0.32.0

@@ -1,33 +1,53 @@
 # -*- encoding: utf-8 -*-
 
 require 'test_helper'
 require 'hexapdf/layout/inline_box'
+require 'hexapdf/document'
 
 describe HexaPDF::Layout::InlineBox do
+  def inline_box(box, valign: :baseline)
+    HexaPDF::Layout::InlineBox.new(box, valign: valign)
+  end
+
   before do
     @box = HexaPDF::Layout::InlineBox.create(width: 10, height: 15, margin: [15, 10])
   end
 
-  it "needs a box to wrap and an optional alignment on initialization" do
-    ibox = HexaPDF::Layout::InlineBox.new(@box)
-    assert_equal(@box, ibox.box)
-    assert_equal(:baseline, ibox.valign)
+  describe "initialize" do
+    it "needs a box to wrap and an optional alignment on initialization" do
+      box = HexaPDF::Layout::Box.create(width: 10, height: 15)
+      ibox = inline_box(box)
+      assert_equal(box, ibox.box)
+      assert_equal(:baseline, ibox.valign)
 
-    ibox = HexaPDF::Layout::InlineBox.new(@box, valign: :top)
-    assert_equal(:top, ibox.valign)
-  end
+      ibox = inline_box(box, valign: :top)
+      assert_equal(:top, ibox.valign)
+    end
 
-  it "draws the wrapped box at the correct position" do
-    canvas = Object.new
-    block = lambda do |c, x, y|
-      assert_equal(canvas, c)
-      assert_equal(10, x)
-      assert_equal(15, y)
+    it "automatically fits the provided box into a frame" do
+      ibox = inline_box(HexaPDF::Document.new.layout.text("test is going good", width: 20))
+      assert_equal(20, ibox.width)
+      assert_equal(45, ibox.height)
     end
-    @box.box.stub(:draw, block) do
-      @box.draw(canvas, 0, 0)
+
+    it "fails if the wrapped box could not be fit" do
+      box = HexaPDF::Document.new.layout.text("test is not going good", width: 1)
+      assert_raises(HexaPDF::Error) { inline_box(box) }
     end
+
+    it "fails if the height is not set explicitly and during fitting" do
+      assert_raises(HexaPDF::Error) do
+        inline_box(HexaPDF::Layout::Box.create(width: 10))
+      end
+    end
+  end
+
+  it "draws the wrapped box at the correct position" do
+    doc = HexaPDF::Document.new
+    canvas = doc.pages.add.canvas
+    inline_box(doc.layout.text("", width: 20, margin: [15, 10])).draw(canvas, 100, 200)
+    assert_equal("q\n1 0 0 1 110 -99785 cm\nQ\n", canvas.contents)
   end
 
   it "returns true if the inline box is empty with no drawing operations" do
     assert(@box.empty?)
     refute(HexaPDF::Layout::InlineBox.create(width: 10, height: 15) {}.empty?)