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|
# frozen_string_literal: true
require 'spec_helper'
describe Prawn::Text::Formatted::Fragment do
let(:pdf) { create_pdf }
describe 'Text::Formatted::Fragment' do
let(:fragment) do
format_state = {
styles: %i[bold italic],
color: nil,
link: nil,
anchor: nil,
font: nil,
size: nil
}
described_class.new(
'hello world',
format_state,
pdf
).tap do |fragment|
fragment.width = 100
fragment.left = 50
fragment.baseline = 200
fragment.line_height = 27
fragment.descender = 7
fragment.ascender = 17
end
end
describe '#width' do
it 'returns the width' do
expect(fragment.width).to eq(100)
end
end
describe '#styles' do
it 'returns the styles array' do
expect(fragment.styles).to eq(%i[bold italic])
end
it 'nevers return nil' do
format_state = {
styles: nil,
color: nil,
link: nil,
anchor: nil,
font: nil,
size: nil
}
fragment = described_class.new(
'hello world',
format_state,
pdf
)
expect(fragment.styles).to eq([])
end
end
describe '#line_height' do
it 'returns the line_height' do
expect(fragment.line_height).to eq(27)
end
end
describe '#ascender' do
it 'returns the ascender' do
expect(fragment.ascender).to eq(17)
end
end
describe '#descender' do
it 'returns the descender' do
expect(fragment.descender).to eq(7)
end
end
describe '#y_offset' do
it 'is zero' do
expect(fragment.y_offset).to eq(0)
end
end
describe '#bounding_box' do
it 'returns 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 'returns 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 'defines 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 'defines 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 '#space_count' do
it 'returns the number of spaces in the fragment' do
format_state = {}
fragment = described_class.new(
'hello world ',
format_state,
pdf
)
expect(fragment.space_count).to eq(2)
end
it 'excludes trailing spaces from the count when ' \
':exclude_trailing_white_space => true' do
format_state = { exclude_trailing_white_space: true }
fragment = described_class.new(
'hello world ',
format_state,
pdf
)
expect(fragment.space_count).to eq(1)
end
end
describe '#include_trailing_white_space!' do
it 'makes the fragment include trailing white space' do
format_state = { exclude_trailing_white_space: true }
fragment = described_class.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' do
it 'returns the fragment text' do
format_state = {}
fragment = described_class.new(
'hello world ',
format_state,
pdf
)
expect(fragment.text).to eq('hello world ')
end
it 'returns the fragment text without trailing spaces when ' \
':exclude_trailing_white_space => true' do
format_state = { exclude_trailing_white_space: true }
fragment = described_class.new(
'hello world ',
format_state,
pdf
)
expect(fragment.text).to eq('hello world')
end
end
describe '#word_spacing=' do
let(:fragment) do
format_state = {
styles: %i[bold italic],
color: nil,
link: nil,
anchor: nil,
font: nil,
size: nil
}
described_class.new(
'hello world',
format_state,
pdf
).tap do |fragment|
fragment.width = 100
fragment.left = 50
fragment.baseline = 200
fragment.line_height = 27
fragment.descender = 7
fragment.ascender = 17
fragment.word_spacing = 10
end
end
it 'accounts for word_spacing in #width' do
expect(fragment.width).to eq(110)
end
it 'accounts for word_spacing in #bounding_box' do
target_box = [50, 193, 160, 217]
expect(fragment.bounding_box).to eq(target_box)
end
it 'accounts 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 'accounts 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 'accounts 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 'subscript' do
let(:fragment) do
format_state = {
styles: [:subscript],
color: nil,
link: nil,
anchor: nil,
font: nil,
size: nil
}
described_class.new(
'hello world',
format_state,
pdf
).tap do |fragment|
fragment.line_height = 27
fragment.descender = 7
fragment.ascender = 17
end
end
describe '#subscript?' do
it 'be_trues' do
expect(fragment).to be_subscript
end
end
describe '#y_offset' do
it 'returns a negative value' do
expect(fragment.y_offset).to be < 0
end
end
end
describe 'superscript' do
let(:fragment) do
format_state = {
styles: [:superscript],
color: nil,
link: nil,
anchor: nil,
font: nil,
size: nil
}
described_class.new(
'hello world',
format_state,
pdf
).tap do |fragment|
fragment.line_height = 27
fragment.descender = 7
fragment.ascender = 17
end
end
describe '#superscript?' do
it 'be_trues' do
expect(fragment).to be_superscript
end
end
describe '#y_offset' do
it 'returns a positive value' do
expect(fragment.y_offset).to be > 0
end
end
end
context 'with :direction => :rtl' do
it '#text should be reversed' do
format_state = { direction: :rtl }
fragment = described_class.new(
'hello world',
format_state,
pdf
)
expect(fragment.text).to eq('dlrow olleh')
end
end
describe '#default_direction=' do
it 'sets the direction if there is no fragment level direction ' \
'specification' do
format_state = {}
fragment = described_class.new(
'hello world',
format_state,
pdf
)
fragment.default_direction = :rtl
expect(fragment.direction).to eq(:rtl)
end
it 'does not set the direction if there is a fragment level direction ' \
'specification' do
format_state = { direction: :rtl }
fragment = described_class.new(
'hello world',
format_state,
pdf
)
fragment.default_direction = :ltr
expect(fragment.direction).to eq(:rtl)
end
end
end
|
