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require_relative '../../spec_helper'
require_relative 'fixtures/classes'
# Specs for Kernel#autoload_relative
ruby_version_is "4.1" do
describe "Kernel#autoload_relative" do
before :each do
@loaded_features = $".dup
end
after :each do
$".replace @loaded_features
# Clean up constants defined by these tests
[:KSAutoloadRelativeA, :KSAutoloadRelativeB, :KSAutoloadRelativeC,
:KSAutoloadRelativeE, :KSAutoloadRelativeF, :KSAutoloadRelativeG,
:KSAutoloadRelativeH, :KSAutoloadRelativeI].each do |const|
KernelSpecs.send(:remove_const, const) if KernelSpecs.const_defined?(const, false)
end
[:KSAutoloadRelativeD, :NestedTest].each do |const|
Object.send(:remove_const, const) if Object.const_defined?(const, false)
end
end
it "is a private method" do
Kernel.private_instance_methods(false).should.include?(:autoload_relative)
end
it "registers a file to load relative to the current file" do
KernelSpecs.autoload_relative :KSAutoloadRelativeA, "fixtures/autoload_relative_b.rb"
path = KernelSpecs.autoload?(:KSAutoloadRelativeA)
path.should_not == nil
path.should.end_with?("autoload_relative_b.rb")
File.exist?(path).should == true
end
it "loads the file when the constant is accessed" do
KernelSpecs.autoload_relative :KSAutoloadRelativeB, "fixtures/autoload_relative_b.rb"
KernelSpecs::KSAutoloadRelativeB.loaded.should == :ksautoload_b
end
it "sets the autoload constant in the constant table" do
KernelSpecs.autoload_relative :KSAutoloadRelativeC, "fixtures/autoload_relative_b.rb"
KernelSpecs.should.const_defined?(:KSAutoloadRelativeC, false)
end
it "can autoload in instance_eval with a file context" do
result = Object.new.instance_eval(<<-CODE, __FILE__, __LINE__)
autoload_relative :KSAutoloadRelativeD, "fixtures/autoload_relative_d.rb"
KSAutoloadRelativeD.loaded
CODE
result.should == :ksautoload_d
end
it "raises LoadError if called from eval without file context" do
-> {
eval('autoload_relative :Foo, "foo.rb"')
}.should.raise(LoadError, /autoload_relative called without file context/)
end
it "accepts both string and symbol for constant name" do
KernelSpecs.autoload_relative :KSAutoloadRelativeE, "fixtures/autoload_relative_b.rb"
KernelSpecs.autoload_relative "KSAutoloadRelativeF", "fixtures/autoload_relative_b.rb"
KernelSpecs.should.const_defined?(:KSAutoloadRelativeE, false)
KernelSpecs.should.const_defined?(:KSAutoloadRelativeF, false)
end
it "returns nil" do
KernelSpecs.autoload_relative(:KSAutoloadRelativeG, "fixtures/autoload_relative_b.rb").should == nil
end
it "resolves nested directory paths correctly" do
-> {
autoload_relative :NestedTest, "../kernel/fixtures/autoload_relative_b.rb"
autoload?(:NestedTest)
}.should_not.raise
end
it "resolves paths starting with ./" do
KernelSpecs.autoload_relative :KSAutoloadRelativeH, "./fixtures/autoload_relative_b.rb"
path = KernelSpecs.autoload?(:KSAutoloadRelativeH)
path.should_not == nil
path.should.end_with?("autoload_relative_b.rb")
end
it "ignores $LOAD_PATH and uses only relative path resolution" do
original_load_path = $LOAD_PATH.dup
$LOAD_PATH.clear
begin
KernelSpecs.autoload_relative :KSAutoloadRelativeI, "fixtures/autoload_relative_b.rb"
path = KernelSpecs.autoload?(:KSAutoloadRelativeI)
path.should_not == nil
# Should still resolve even with empty $LOAD_PATH
File.exist?(path).should == true
ensure
$LOAD_PATH.replace(original_load_path)
end
end
describe "when Object is frozen" do
it "raises a FrozenError before defining the constant" do
ruby_exe(<<-RUBY).should.include?("FrozenError")
Object.freeze
begin
autoload_relative :Foo, "autoload_b.rb"
rescue => e
puts e.class
end
RUBY
end
end
end
end
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