include_directive_spec.rb

require'spec_helper'

require'jsonapi/include_directive'

describeJSONAPI::IncludeDirective,'.initialize'do
context'raises InvalidKey when'do
(
["\u002B","\u002C","\u002E","\u005B","\u005D","\u002A","\u002F",
"\u0040","\u005C","\u005E","\u0060"] + ("\u0021".."\u0029").to_a \
 + ("\u003A".."\u003F").to_a \
 + ("\u007B".."\u007F").to_a \
 + ("\u0000".."\u001F").to_a \
 - ['*','.',',']
).eachdo |invalid_character|
it"invalid character provided: '#{invalid_character}'"do
expect{JSONAPI::IncludeDirective.new(invalid_character)}
.toraise_error(JSONAPI::IncludeDirective::InvalidKey)
end
end

[' ','_','-'].eachdo |char|
it"starts with following character: '#{char}'"do
expect{JSONAPI::IncludeDirective.new("#{char}_with_valid")}
.toraise_error(JSONAPI::IncludeDirective::InvalidKey,"#{char}_with_valid")
end

it"ends with following character: '#{char}'"do
expect{JSONAPI::IncludeDirective.new("valid_with_#{char}")}
.toraise_error(JSONAPI::IncludeDirective::InvalidKey,"valid_with_#{char}")
end
end
end

context'does not raise InvalidKey'do
["\u0080","B","t","5","\u0100","\u10FFFAA"].eachdo |char|
it"when provided character '#{char}'"do
expect(JSONAPI::IncludeDirective.new(char).key?(char)).tobetrue
end
end

[' ','_','-'].eachdo |char|
it"when '#{char}' is not at beginning or end"do
key="valid#{char}valid"
expect(JSONAPI::IncludeDirective.new(key).key?(key)).tobetrue
end
end
end
end

describeJSONAPI::IncludeDirective,'.key?'do
it'handles existing keys'do
str='posts.comments'
include_directive=JSONAPI::IncludeDirective.new(str)

expect(include_directive.key?(:posts)).tobe_truthy
end

it'handles absent keys'do
str='posts.comments'
include_directive=JSONAPI::IncludeDirective.new(str)

expect(include_directive.key?(:author)).tobe_falsy
end

it'handles wildcards'do
str='posts.*'
include_directive=JSONAPI::IncludeDirective.new(
str,allow_wildcard: true)

expect(include_directive[:posts].key?(:author)).tobe_truthy
expect(include_directive[:posts][:author].key?(:comments)).tobe_falsy
end

it'handles wildcards'do
str='posts.**'
include_directive=JSONAPI::IncludeDirective.new(
str,allow_wildcard: true)

expect(include_directive[:posts].key?(:author)).tobe_truthy
expect(include_directive[:posts][:author].key?(:comments)).tobe_truthy
end
end

describeJSONAPI::IncludeDirective,'.to_string'do
it'works'do
str='friends,comments.author,posts.author,posts.comments.author'
include_directive=JSONAPI::IncludeDirective.new(str)
expected=include_directive.to_hash
actual=JSONAPI::IncludeDirective.new(include_directive.to_string)
.to_hash

expect(actual).toeqexpected
end
end