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# encoding: utf-8
require File.join(File.expand_path(File.dirname(__FILE__)), "spec_helper")
describe "Text::Formatted::Fragment#space_count" do
it "should return the number of spaces in the fragment" do
create_pdf
format_state = {}
fragment = Prawn::Text::Formatted::Fragment.new("hello world ",
format_state,
@pdf)
expect(fragment.space_count).to eq(2)
end
it "should exclude trailing spaces from the count when " \
":exclude_trailing_white_space => true" do
create_pdf
format_state = { :exclude_trailing_white_space => true }
fragment = Prawn::Text::Formatted::Fragment.new("hello world ",
format_state,
@pdf)
expect(fragment.space_count).to eq(1)
end
end
describe "Text::Formatted::Fragment#include_trailing_white_space!" do
it "should make the fragment include trailing white space" do
create_pdf
format_state = { :exclude_trailing_white_space => true }
fragment = Prawn::Text::Formatted::Fragment.new("hello world ",
format_state,
@pdf)
expect(fragment.space_count).to eq(1)
fragment.include_trailing_white_space!
expect(fragment.space_count).to eq(2)
end
end
describe "Text::Formatted::Fragment#text" do
it "should return the fragment text" do
create_pdf
format_state = {}
fragment = Prawn::Text::Formatted::Fragment.new("hello world ",
format_state,
@pdf)
expect(fragment.text).to eq("hello world ")
end
it "should return the fragment text without trailing spaces when " \
":exclude_trailing_white_space => true" do
create_pdf
format_state = { :exclude_trailing_white_space => true }
fragment = Prawn::Text::Formatted::Fragment.new("hello world ",
format_state,
@pdf)
expect(fragment.text).to eq("hello world")
end
end
describe "Text::Formatted::Fragment#word_spacing=" do
before(:each) do
create_pdf
format_state = { :styles => [:bold, :italic],
:color => nil,
:link => nil,
:anchor => nil,
:font => nil,
:size => nil }
@fragment = Prawn::Text::Formatted::Fragment.new("hello world",
format_state,
@pdf)
@fragment.width = 100
@fragment.left = 50
@fragment.baseline = 200
@fragment.line_height = 27
@fragment.descender = 7
@fragment.ascender = 17
@fragment.word_spacing = 10
end
it "should account for word_spacing in #width" do
expect(@fragment.width).to eq(110)
end
it "should account for word_spacing in #bounding_box" do
target_box = [50, 193, 160, 217]
expect(@fragment.bounding_box).to eq(target_box)
end
it "should account for word_spacing in #absolute_bounding_box" do
target_box = [50, 193, 160, 217]
target_box[0] += @pdf.bounds.absolute_left
target_box[1] += @pdf.bounds.absolute_bottom
target_box[2] += @pdf.bounds.absolute_left
target_box[3] += @pdf.bounds.absolute_bottom
expect(@fragment.absolute_bounding_box).to eq(target_box)
end
it "should account for word_spacing in #underline_points" do
y = 198.75
target_points = [[50, y], [160, y]]
expect(@fragment.underline_points).to eq(target_points)
end
it "should account for word_spacing in #strikethrough_points" do
y = 200 + @fragment.ascender * 0.3
target_points = [[50, y], [160, y]]
expect(@fragment.strikethrough_points).to eq(target_points)
end
end
describe "Text::Formatted::Fragment" do
before(:each) do
create_pdf
format_state = { :styles => [:bold, :italic],
:color => nil,
:link => nil,
:anchor => nil,
:font => nil,
:size => nil }
@fragment = Prawn::Text::Formatted::Fragment.new("hello world",
format_state,
@pdf)
@fragment.width = 100
@fragment.left = 50
@fragment.baseline = 200
@fragment.line_height = 27
@fragment.descender = 7
@fragment.ascender = 17
end
describe "#width" do
it "should return the width" do
expect(@fragment.width).to eq(100)
end
end
describe "#styles" do
it "should return the styles array" do
expect(@fragment.styles).to eq([:bold, :italic])
end
it "should never return nil" do
format_state = { :styles => nil,
:color => nil,
:link => nil,
:anchor => nil,
:font => nil,
:size => nil }
fragment = Prawn::Text::Formatted::Fragment.new("hello world",
format_state,
@pdf)
expect(fragment.styles).to eq([])
end
end
describe "#line_height" do
it "should return the line_height" do
expect(@fragment.line_height).to eq(27)
end
end
describe "#ascender" do
it "should return the ascender" do
expect(@fragment.ascender).to eq(17)
end
end
describe "#descender" do
it "should return the descender" do
expect(@fragment.descender).to eq(7)
end
end
describe "#y_offset" do
it "should be zero" do
expect(@fragment.y_offset).to eq(0)
end
end
describe "#bounding_box" do
it "should return the bounding box surrounding the fragment" do
target_box = [50, 193, 150, 217]
expect(@fragment.bounding_box).to eq(target_box)
end
end
describe "#absolute_bounding_box" do
it "should return the bounding box surrounding the fragment" \
" in absolute coordinates" do
target_box = [50, 193, 150, 217]
target_box[0] += @pdf.bounds.absolute_left
target_box[1] += @pdf.bounds.absolute_bottom
target_box[2] += @pdf.bounds.absolute_left
target_box[3] += @pdf.bounds.absolute_bottom
expect(@fragment.absolute_bounding_box).to eq(target_box)
end
end
describe "#underline_points" do
it "should define a line under the fragment" do
y = 198.75
target_points = [[50, y], [150, y]]
expect(@fragment.underline_points).to eq(target_points)
end
end
describe "#strikethrough_points" do
it "should define a line through the fragment" do
y = 200 + @fragment.ascender * 0.3
target_points = [[50, y], [150, y]]
expect(@fragment.strikethrough_points).to eq(target_points)
end
end
end
describe "Text::Formatted::Fragment that is a subscript" do
before(:each) do
create_pdf
format_state = { :styles => [:subscript],
:color => nil,
:link => nil,
:anchor => nil,
:font => nil,
:size => nil }
@fragment = Prawn::Text::Formatted::Fragment.new("hello world",
format_state,
@pdf)
@fragment.line_height = 27
@fragment.descender = 7
@fragment.ascender = 17
end
describe "#subscript?" do
it "should be_true" do
expect(@fragment).to be_subscript
end
end
describe "#y_offset" do
it "should return a negative value" do
expect(@fragment.y_offset).to be < 0
end
end
end
describe "Text::Formatted::Fragment that is a superscript" do
before(:each) do
create_pdf
format_state = { :styles => [:superscript],
:color => nil,
:link => nil,
:anchor => nil,
:font => nil,
:size => nil }
@fragment = Prawn::Text::Formatted::Fragment.new("hello world",
format_state,
@pdf)
@fragment.line_height = 27
@fragment.descender = 7
@fragment.ascender = 17
end
describe "#superscript?" do
it "should be_true" do
expect(@fragment).to be_superscript
end
end
describe "#y_offset" do
it "should return a positive value" do
expect(@fragment.y_offset).to be > 0
end
end
end
describe "Text::Formatted::Fragment with :direction => :rtl" do
it "#text should be reversed" do
create_pdf
format_state = { :direction => :rtl }
fragment = Prawn::Text::Formatted::Fragment.new("hello world",
format_state,
@pdf)
expect(fragment.text).to eq("dlrow olleh")
end
end
describe "Text::Formatted::Fragment default_direction=" do
it "should set the direction if there is no fragment level direction " \
"specification" do
create_pdf
format_state = {}
fragment = Prawn::Text::Formatted::Fragment.new("hello world",
format_state,
@pdf)
fragment.default_direction = :rtl
expect(fragment.direction).to eq(:rtl)
end
it "should not set the direction if there is a fragment level direction " \
"specification" do
create_pdf
format_state = { :direction => :rtl }
fragment = Prawn::Text::Formatted::Fragment.new("hello world",
format_state,
@pdf)
fragment.default_direction = :ltr
expect(fragment.direction).to eq(:rtl)
end
end
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