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awesome_print/spec/formats_spec.rb
2019-08-25 01:18:19 -07:00

779 lines
19 KiB
Ruby

require 'spec_helper'
require 'bigdecimal'
require 'rational'
require 'set'
RSpec.describe 'AwesomePrint' do
describe 'Array' do
before do
@arr = [1, :two, 'three', [nil, [true, false]]]
end
it 'empty array' do
expect([].ai).to eq('[]')
end
it 'plain multiline' do
expect(@arr.ai(plain: true)).to eq <<-EOS.strip
[
[0] 1,
[1] :two,
[2] "three",
[3] [
[0] nil,
[1] [
[0] true,
[1] false
]
]
]
EOS
end
it 'plain multiline without index' do
expect(@arr.ai(plain: true, index: false)).to eq <<-EOS.strip
[
1,
:two,
"three",
[
nil,
[
true,
false
]
]
]
EOS
end
it 'plain multiline indented' do
expect(@arr.ai(plain: true, indent: 2)).to eq <<-EOS.strip
[
[0] 1,
[1] :two,
[2] "three",
[3] [
[0] nil,
[1] [
[0] true,
[1] false
]
]
]
EOS
end
it 'plain multiline indented without index' do
expect(@arr.ai(plain: true, indent: 2, index: false)).to eq <<-EOS.strip
[
1,
:two,
"three",
[
nil,
[
true,
false
]
]
]
EOS
end
it 'plain single line' do
expect(@arr.ai(plain: true, multiline: false)).to eq('[ 1, :two, "three", [ nil, [ true, false ] ] ]')
end
it 'colored multiline (default)' do
expect(@arr.ai).to eq <<-EOS.strip
[
\e[1;37m[0] \e[0m\e[1;34m1\e[0m,
\e[1;37m[1] \e[0m\e[0;36m:two\e[0m,
\e[1;37m[2] \e[0m\e[0;33m\"three\"\e[0m,
\e[1;37m[3] \e[0m[
\e[1;37m[0] \e[0m\e[1;31mnil\e[0m,
\e[1;37m[1] \e[0m[
\e[1;37m[0] \e[0m\e[1;32mtrue\e[0m,
\e[1;37m[1] \e[0m\e[1;31mfalse\e[0m
]
]
]
EOS
end
it 'colored multiline indented' do
expect(@arr.ai(indent: 8)).to eq <<-EOS.strip
[
\e[1;37m[0] \e[0m\e[1;34m1\e[0m,
\e[1;37m[1] \e[0m\e[0;36m:two\e[0m,
\e[1;37m[2] \e[0m\e[0;33m\"three\"\e[0m,
\e[1;37m[3] \e[0m[
\e[1;37m[0] \e[0m\e[1;31mnil\e[0m,
\e[1;37m[1] \e[0m[
\e[1;37m[0] \e[0m\e[1;32mtrue\e[0m,
\e[1;37m[1] \e[0m\e[1;31mfalse\e[0m
]
]
]
EOS
end
it 'colored single line' do
expect(@arr.ai(multiline: false)).to eq("[ \e[1;34m1\e[0m, \e[0;36m:two\e[0m, \e[0;33m\"three\"\e[0m, [ \e[1;31mnil\e[0m, [ \e[1;32mtrue\e[0m, \e[1;31mfalse\e[0m ] ] ]")
end
end
#------------------------------------------------------------------------------
describe 'Nested Array' do
before do
@arr = [1, 2]
@arr << @arr
end
it 'plain multiline' do
expect(@arr.ai(plain: true)).to eq <<-EOS.strip
[
[0] 1,
[1] 2,
[2] [...]
]
EOS
end
it 'plain multiline without index' do
expect(@arr.ai(plain: true, index: false)).to eq <<-EOS.strip
[
1,
2,
[...]
]
EOS
end
it 'plain single line' do
expect(@arr.ai(plain: true, multiline: false)).to eq('[ 1, 2, [...] ]')
end
end
#------------------------------------------------------------------------------
describe 'Limited Output Array' do
before(:each) do
@arr = (1..1000).to_a
end
it 'plain limited output large' do
expect(@arr.ai(plain: true, limit: true)).to eq <<-EOS.strip
[
[ 0] 1,
[ 1] 2,
[ 2] 3,
[ 3] .. [996],
[997] 998,
[998] 999,
[999] 1000
]
EOS
end
it 'plain limited output small' do
@arr = @arr[0..3]
expect(@arr.ai(plain: true, limit: true)).to eq <<-EOS.strip
[
[0] 1,
[1] 2,
[2] 3,
[3] 4
]
EOS
end
it 'plain limited output with 10 lines' do
expect(@arr.ai(plain: true, limit: 10)).to eq <<-EOS.strip
[
[ 0] 1,
[ 1] 2,
[ 2] 3,
[ 3] 4,
[ 4] 5,
[ 5] .. [995],
[996] 997,
[997] 998,
[998] 999,
[999] 1000
]
EOS
end
it 'plain limited output with 11 lines' do
expect(@arr.ai(plain: true, limit: 11)).to eq <<-EOS.strip
[
[ 0] 1,
[ 1] 2,
[ 2] 3,
[ 3] 4,
[ 4] 5,
[ 5] .. [994],
[995] 996,
[996] 997,
[997] 998,
[998] 999,
[999] 1000
]
EOS
end
end
#------------------------------------------------------------------------------
describe 'Limited Output Hash' do
before(:each) do
@hash = ('a'..'z').inject({}) { |h, v| h.merge({ v => v.to_sym }) }
end
it 'plain limited output' do
expect(@hash.ai(sort_keys: true, plain: true, limit: true)).to eq <<-EOS.strip
{
"a" => :a,
"b" => :b,
"c" => :c,
"d" => :d .. "w" => :w,
"x" => :x,
"y" => :y,
"z" => :z
}
EOS
end
end
#------------------------------------------------------------------------------
describe 'Hash' do
before do
@hash = { 1 => { sym: { 'str' => { [1, 2, 3] => { { k: :v } => Hash } } } } }
end
it 'empty hash' do
expect({}.ai).to eq('{}')
end
it 'plain multiline' do
expect(@hash.ai(plain: true)).to eq <<-EOS.strip
{
1 => {
:sym => {
"str" => {
[ 1, 2, 3 ] => {
{ :k => :v } => Hash < Object
}
}
}
}
}
EOS
end
it 'new hash syntax' do
expect(@hash.ai(plain: true, ruby19_syntax: true)).to eq <<-EOS.strip
{
1 => {
sym: {
"str" => {
[ 1, 2, 3 ] => {
{ k: :v } => Hash < Object
}
}
}
}
}
EOS
end
it 'plain multiline indented' do
expect(@hash.ai(plain: true, indent: 1)).to eq <<-EOS.strip
{
1 => {
:sym => {
"str" => {
[ 1, 2, 3 ] => {
{ :k => :v } => Hash < Object
}
}
}
}
}
EOS
end
it 'plain single line' do
expect(@hash.ai(plain: true, multiline: false)).to eq('{ 1 => { :sym => { "str" => { [ 1, 2, 3 ] => { { :k => :v } => Hash < Object } } } } }')
end
it 'colored multiline (default)' do
expect(@hash.ai).to eq <<-EOS.strip
{
1\e[0;37m => \e[0m{
:sym\e[0;37m => \e[0m{
\"str\"\e[0;37m => \e[0m{
[ 1, 2, 3 ]\e[0;37m => \e[0m{
{ :k => :v }\e[0;37m => \e[0m\e[1;33mHash < Object\e[0m
}
}
}
}
}
EOS
end
it 'colored with new hash syntax' do
expect(@hash.ai(ruby19_syntax: true)).to eq <<-EOS.strip
{
1\e[0;37m => \e[0m{
sym\e[0;37m: \e[0m{
\"str\"\e[0;37m => \e[0m{
[ 1, 2, 3 ]\e[0;37m => \e[0m{
{ k: :v }\e[0;37m => \e[0m\e[1;33mHash < Object\e[0m
}
}
}
}
}
EOS
end
it 'colored multiline indented' do
expect(@hash.ai(indent: 2)).to eq <<-EOS.strip
{
1\e[0;37m => \e[0m{
:sym\e[0;37m => \e[0m{
\"str\"\e[0;37m => \e[0m{
[ 1, 2, 3 ]\e[0;37m => \e[0m{
{ :k => :v }\e[0;37m => \e[0m\e[1;33mHash < Object\e[0m
}
}
}
}
}
EOS
end
it 'colored single line' do
expect(@hash.ai(multiline: false)).to eq("{ 1\e[0;37m => \e[0m{ :sym\e[0;37m => \e[0m{ \"str\"\e[0;37m => \e[0m{ [ 1, 2, 3 ]\e[0;37m => \e[0m{ { :k => :v }\e[0;37m => \e[0m\e[1;33mHash < Object\e[0m } } } } }")
end
end
#------------------------------------------------------------------------------
describe 'Nested Hash' do
before do
@hash = {}
@hash[:a] = @hash
end
it 'plain multiline' do
expect(@hash.ai(plain: true)).to eq <<-EOS.strip
{
:a => {...}
}
EOS
end
it 'plain single line' do
expect(@hash.ai(plain: true, multiline: false)).to eq('{ :a => {...} }')
end
end
#------------------------------------------------------------------------------
describe 'Hash with several keys' do
before do
@hash = { 'b' => 'b', :a => 'a', :z => 'z', 'alpha' => 'alpha' }
end
it 'plain multiline' do
out = @hash.ai(plain: true)
if RUBY_VERSION.to_f < 1.9 # Order of @hash keys is not guaranteed.
expect(out).to match(/^\{[^\}]+\}/m)
expect(out).to match(/ "b" => "b",?/)
expect(out).to match(/ :a => "a",?/)
expect(out).to match(/ :z => "z",?/)
expect(out).to match(/ "alpha" => "alpha",?$/)
else
expect(out).to eq <<-EOS.strip
{
"b" => "b",
:a => "a",
:z => "z",
"alpha" => "alpha"
}
EOS
end
end
it 'plain multiline with sorted keys' do
expect(@hash.ai(plain: true, sort_keys: true)).to eq <<-EOS.strip
{
:a => "a",
"alpha" => "alpha",
"b" => "b",
:z => "z"
}
EOS
end
end
#------------------------------------------------------------------------------
describe 'Negative options[:indent]' do
#
# With Ruby < 1.9 the order of hash keys is not defined so we can't
# reliably compare the output string.
#
it 'hash keys must be left aligned' do
hash = { [0, 0, 255] => :yellow, :red => 'rgb(255, 0, 0)', 'magenta' => 'rgb(255, 0, 255)' }
out = hash.ai(plain: true, indent: -4, sort_keys: true)
expect(out).to eq <<-EOS.strip
{
[ 0, 0, 255 ] => :yellow,
"magenta" => "rgb(255, 0, 255)",
:red => "rgb(255, 0, 0)"
}
EOS
end
it 'nested hash keys should be indented (array of hashes)' do
arr = [{ a: 1, bb: 22, ccc: 333 }, { 1 => :a, 22 => :bb, 333 => :ccc }]
out = arr.ai(plain: true, indent: -4, sort_keys: true)
expect(out).to eq <<-EOS.strip
[
[0] {
:a => 1,
:bb => 22,
:ccc => 333
},
[1] {
1 => :a,
22 => :bb,
333 => :ccc
}
]
EOS
end
it 'nested hash keys should be indented (hash of hashes)' do
arr = { first: { a: 1, bb: 22, ccc: 333 }, second: { 1 => :a, 22 => :bb, 333 => :ccc } }
out = arr.ai(plain: true, indent: -4, sort_keys: true)
expect(out).to eq <<-EOS.strip
{
:first => {
:a => 1,
:bb => 22,
:ccc => 333
},
:second => {
1 => :a,
22 => :bb,
333 => :ccc
}
}
EOS
end
end
#------------------------------------------------------------------------------
describe 'Class' do
it 'should show superclass (plain)' do
expect(self.class.ai(plain: true)).to eq("#{self.class} < #{self.class.superclass}")
end
it 'should show superclass (color)' do
expect(self.class.ai).to eq("#{self.class} < #{self.class.superclass}".yellow)
end
end
#------------------------------------------------------------------------------
describe 'File' do
it 'should display a file (plain)' do
File.open(__FILE__, 'r') do |f|
expect(f.ai(plain: true)).to eq("#{f.inspect}\n#{`ls -alF #{f.path}`.chop}")
end
end
end
#------------------------------------------------------------------------------
describe 'Dir' do
it 'should display a direcory (plain)' do
Dir.open(File.dirname(__FILE__)) do |d|
expect(d.ai(plain: true)).to eq("#{d.inspect}\n#{`ls -alF #{d.path}`.chop}")
end
end
end
#------------------------------------------------------------------------------
describe 'BigDecimal and Rational' do
it 'should present BigDecimal object with arbitrary precision' do
big = BigDecimal('201020102010201020102010201020102010.4')
expect(big.ai(plain: true)).to eq('201020102010201020102010201020102010.4')
end
it 'should present Rational object with arbitrary precision' do
rat = Rational(201020102010201020102010201020102010, 2)
out = rat.ai(plain: true)
#
# Ruby 1.9 slightly changed the format of Rational#to_s, see
# http://techtime.getharvest.com/blog/harvest-is-now-on-ruby-1-dot-9-3 and
# http://www.ruby-forum.com/topic/189397
#
if RUBY_VERSION < '1.9'
expect(out).to eq('100510051005100510051005100510051005')
else
expect(out).to eq('100510051005100510051005100510051005/1')
end
end
end
#------------------------------------------------------------------------------
describe 'Utility methods' do
it 'should merge options' do
ap = AwesomePrint::Inspector.new
ap.send(:merge_options!, { color: { array: :black }, indent: 0 })
options = ap.instance_variable_get('@options')
expect(options[:color][:array]).to eq(:black)
expect(options[:indent]).to eq(0)
end
end
#------------------------------------------------------------------------------
describe 'Set' do
before do
@arr = [1, :two, 'three']
@set = Set.new(@arr)
end
it 'empty set' do
expect(Set.new.ai).to eq([].ai)
end
if RUBY_VERSION > '1.9'
it 'plain multiline' do
expect(@set.ai(plain: true)).to eq(@arr.ai(plain: true))
end
it 'plain multiline indented' do
expect(@set.ai(plain: true, indent: 1)).to eq(@arr.ai(plain: true, indent: 1))
end
it 'plain single line' do
expect(@set.ai(plain: true, multiline: false)).to eq(@arr.ai(plain: true, multiline: false))
end
it 'colored multiline (default)' do
expect(@set.ai).to eq(@arr.ai)
end
else # Prior to Ruby 1.9 the order of set values is unpredicatble.
it 'plain multiline' do
expect(@set.sort_by { |x| x.to_s }.ai(plain: true)).to eq(@arr.sort_by { |x| x.to_s }.ai(plain: true))
end
it 'plain multiline indented' do
expect(@set.sort_by { |x| x.to_s }.ai(plain: true, indent: 1)).to eq(@arr.sort_by { |x| x.to_s }.ai(plain: true, indent: 1))
end
it 'plain single line' do
expect(@set.sort_by { |x| x.to_s }.ai(plain: true, multiline: false)).to eq(@arr.sort_by { |x| x.to_s }.ai(plain: true, multiline: false))
end
it 'colored multiline (default)' do
expect(@set.sort_by { |x| x.to_s }.ai).to eq(@arr.sort_by { |x| x.to_s }.ai)
end
end
end
#------------------------------------------------------------------------------
describe 'Struct' do
before do
@struct = unless defined?(Struct::SimpleStruct)
Struct.new('SimpleStruct', :name, :address).new
else
Struct::SimpleStruct.new
end
@struct.name = 'Herman Munster'
@struct.address = '1313 Mockingbird Lane'
end
it 'empty struct' do
expect(Struct.new('EmptyStruct').ai).to eq("\e[1;33mStruct::EmptyStruct < Struct\e[0m")
end
it 'plain multiline' do
s1 = <<-EOS.strip
address = \"1313 Mockingbird Lane\",
name = \"Herman Munster\"
EOS
s2 = <<-EOS.strip
name = \"Herman Munster\",
address = \"1313 Mockingbird Lane\"
EOS
expect(@struct.ai(plain: true)).to satisfy { |out| out.match(s1) || out.match(s2) }
end
it 'plain multiline indented' do
s1 = <<-EOS.strip
address = "1313 Mockingbird Lane",
name = "Herman Munster"
EOS
s2 = <<-EOS.strip
name = "Herman Munster",
address = "1313 Mockingbird Lane"
EOS
expect(@struct.ai(plain: true, indent: 1)).to satisfy { |out| out.match(s1) || out.match(s2) }
end
it 'plain single line' do
s1 = 'address = "1313 Mockingbird Lane", name = "Herman Munster"'
s2 = 'name = "Herman Munster", address = "1313 Mockingbird Lane"'
expect(@struct.ai(plain: true, multiline: false)).to satisfy { |out| out.match(s1) || out.match(s2) }
end
it 'colored multiline (default)' do
s1 = <<-EOS.strip
address\e[0;37m = \e[0m\e[0;33m\"1313 Mockingbird Lane\"\e[0m,
name\e[0;37m = \e[0m\e[0;33m\"Herman Munster\"\e[0m
EOS
s2 = <<-EOS.strip
name\e[0;37m = \e[0m\e[0;33m\"Herman Munster\"\e[0m,
address\e[0;37m = \e[0m\e[0;33m\"1313 Mockingbird Lane\"\e[0m
EOS
expect(@struct.ai).to satisfy { |out| out.include?(s1) || out.include?(s2) }
end
end
#------------------------------------------------------------------------------
describe 'Inherited from standard Ruby classes' do
after do
Object.instance_eval { remove_const :My } if defined?(My)
end
it 'inherited from Array should be displayed as Array' do
class My < Array; end
my = My.new([1, :two, 'three', [nil, [true, false]]])
expect(my.ai(plain: true)).to eq <<-EOS.strip
[
[0] 1,
[1] :two,
[2] "three",
[3] [
[0] nil,
[1] [
[0] true,
[1] false
]
]
]
EOS
end
it 'inherited from Hash should be displayed as Hash' do
class My < Hash; end
my = My[{ 1 => { sym: { 'str' => { [1, 2, 3] => { { k: :v } => Hash } } } } }]
expect(my.ai(plain: true)).to eq <<-EOS.strip
{
1 => {
:sym => {
"str" => {
[ 1, 2, 3 ] => {
{ :k => :v } => Hash < Object
}
}
}
}
}
EOS
end
it 'inherited from File should be displayed as File' do
class My < File; end
my = File.new('/dev/null') rescue File.new('nul')
expect(my.ai(plain: true)).to eq("#{my.inspect}\n#{`ls -alF #{my.path}`.chop}")
end
it 'inherited from Dir should be displayed as Dir' do
class My < Dir; end
require 'tmpdir'
my = My.new(Dir.tmpdir)
expect(my.ai(plain: true)).to eq("#{my.inspect}\n#{`ls -alF #{my.path}`.chop}")
end
it 'should handle a class that defines its own #send method' do
class My
def send(arg1, arg2, arg3); end
end
my = My.new
expect { my.methods.ai(plain: true) }.not_to raise_error
end
it 'should handle a class defines its own #method method (ex. request.method)' do
class My
def method
'POST'
end
end
my = My.new
expect { my.methods.ai(plain: true) }.not_to raise_error
end
describe 'should handle a class that defines its own #to_hash method' do
it 'that takes arguments' do
class My
def to_hash(a, b)
end
end
my = My.new
expect { my.ai(plain: true) }.not_to raise_error
end
it 'that returns nil' do
class My
def to_hash()
return nil
end
end
my = My.new
expect { my.ai(plain: true) }.not_to raise_error
end
it "that returns an object that doesn't support #keys" do
class My
def to_hash()
object = Object.new
object.define_singleton_method('[]') { return nil }
return object
end
end
my = My.new
expect { my.ai(plain: true) }.not_to raise_error
end
it "that returns an object that doesn't support subscripting" do
class My
def to_hash()
object = Object.new
object.define_singleton_method(:keys) { return [:foo] }
return object
end
end
my = My.new
expect { my.ai(plain: true) }.not_to raise_error
end
end
end
end