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require_relative '../../spec_helper'
require_relative '../../fixtures/code_loading'
describe "Kernel#require_relative with a relative path" do
before :each do
CodeLoadingSpecs.spec_setup
@dir = "../../fixtures/code"
@abs_dir = File.realpath(@dir, File.dirname(__FILE__))
@path = "#{@dir}/load_fixture.rb"
@abs_path = File.realpath(@path, File.dirname(__FILE__))
end
after :each do
CodeLoadingSpecs.spec_cleanup
end
platform_is_not :windows do
describe "when file is a symlink" do
before :each do
@link = tmp("symlink.rb", false)
@real_path = "#{@abs_dir}/symlink/symlink1.rb"
File.symlink(@real_path, @link)
end
after :each do
rm_r @link
end
it "loads a path relative to current file" do
require_relative(@link).should be_true
ScratchPad.recorded.should == [:loaded]
end
end
end
it "loads a path relative to the current file" do
require_relative(@path).should be_true
ScratchPad.recorded.should == [:loaded]
end
describe "in an #instance_eval with a" do
it "synthetic file base name loads a file base name relative to the working directory" do
Dir.chdir @abs_dir do
Object.new.instance_eval("require_relative(#{File.basename(@path).inspect})", "foo.rb").should be_true
end
ScratchPad.recorded.should == [:loaded]
end
it "synthetic file path loads a relative path relative to the working directory plus the directory of the synthetic path" do
Dir.chdir @abs_dir do
Object.new.instance_eval("require_relative(File.join('..', #{File.basename(@path).inspect}))", "bar/foo.rb").should be_true
end
ScratchPad.recorded.should == [:loaded]
end
platform_is_not :windows do
it "synthetic relative file path with a Windows path separator specified loads a relative path relative to the working directory" do
Dir.chdir @abs_dir do
Object.new.instance_eval("require_relative(#{File.basename(@path).inspect})", "bar\\foo.rb").should be_true
end
ScratchPad.recorded.should == [:loaded]
end
end
it "absolute file path loads a path relative to the absolute path" do
Object.new.instance_eval("require_relative(#{@path.inspect})", __FILE__).should be_true
ScratchPad.recorded.should == [:loaded]
end
it "absolute file path loads a path relative to the root directory" do
root = @abs_path
until File.dirname(root) == root
root = File.dirname(root)
end
root_relative = @abs_path[root.size..-1]
Object.new.instance_eval("require_relative(#{root_relative.inspect})", "/").should be_true
ScratchPad.recorded.should == [:loaded]
end
end
it "loads a file defining many methods" do
require_relative("#{@dir}/methods_fixture.rb").should be_true
ScratchPad.recorded.should == [:loaded]
end
it "raises a LoadError if the file does not exist" do
-> { require_relative("#{@dir}/nonexistent.rb") }.should raise_error(LoadError)
ScratchPad.recorded.should == []
end
it "raises a LoadError if basepath does not exist" do
-> { eval("require_relative('#{@dir}/nonexistent.rb')") }.should raise_error(LoadError)
end
it "stores the missing path in a LoadError object" do
path = "#{@dir}/nonexistent.rb"
-> {
require_relative(path)
}.should(raise_error(LoadError) { |e|
e.path.should == File.expand_path(path, @abs_dir)
})
end
it "calls #to_str on non-String objects" do
name = mock("load_fixture.rb mock")
name.should_receive(:to_str).and_return(@path)
require_relative(name).should be_true
ScratchPad.recorded.should == [:loaded]
end
it "raises a TypeError if argument does not respond to #to_str" do
-> { require_relative(nil) }.should raise_error(TypeError)
-> { require_relative(42) }.should raise_error(TypeError)
-> {
require_relative([@path,@path])
}.should raise_error(TypeError)
end
it "raises a TypeError if passed an object that has #to_s but not #to_str" do
name = mock("load_fixture.rb mock")
name.stub!(:to_s).and_return(@path)
-> { require_relative(name) }.should raise_error(TypeError)
end
it "raises a TypeError if #to_str does not return a String" do
name = mock("#to_str returns nil")
name.should_receive(:to_str).at_least(1).times.and_return(nil)
-> { require_relative(name) }.should raise_error(TypeError)
end
it "calls #to_path on non-String objects" do
name = mock("load_fixture.rb mock")
name.should_receive(:to_path).and_return(@path)
require_relative(name).should be_true
ScratchPad.recorded.should == [:loaded]
end
it "calls #to_str on non-String objects returned by #to_path" do
name = mock("load_fixture.rb mock")
to_path = mock("load_fixture_rb #to_path mock")
name.should_receive(:to_path).and_return(to_path)
to_path.should_receive(:to_str).and_return(@path)
require_relative(name).should be_true
ScratchPad.recorded.should == [:loaded]
end
describe "(file extensions)" do
it "loads a .rb extensioned file when passed a non-extensioned path" do
require_relative("#{@dir}/load_fixture").should be_true
ScratchPad.recorded.should == [:loaded]
end
it "loads a .rb extensioned file when a C-extension file of the same name is loaded" do
$LOADED_FEATURES << "#{@abs_dir}/load_fixture.bundle"
$LOADED_FEATURES << "#{@abs_dir}/load_fixture.dylib"
$LOADED_FEATURES << "#{@abs_dir}/load_fixture.so"
$LOADED_FEATURES << "#{@abs_dir}/load_fixture.dll"
require_relative(@path).should be_true
ScratchPad.recorded.should == [:loaded]
end
it "does not load a C-extension file if a .rb extensioned file is already loaded" do
$LOADED_FEATURES << "#{@abs_dir}/load_fixture.rb"
require_relative("#{@dir}/load_fixture").should be_false
ScratchPad.recorded.should == []
end
it "loads a .rb extensioned file when passed a non-.rb extensioned path" do
require_relative("#{@dir}/load_fixture.ext").should be_true
ScratchPad.recorded.should == [:loaded]
$LOADED_FEATURES.should include "#{@abs_dir}/load_fixture.ext.rb"
end
it "loads a .rb extensioned file when a complex-extensioned C-extension file of the same name is loaded" do
$LOADED_FEATURES << "#{@abs_dir}/load_fixture.ext.bundle"
$LOADED_FEATURES << "#{@abs_dir}/load_fixture.ext.dylib"
$LOADED_FEATURES << "#{@abs_dir}/load_fixture.ext.so"
$LOADED_FEATURES << "#{@abs_dir}/load_fixture.ext.dll"
require_relative("#{@dir}/load_fixture.ext").should be_true
ScratchPad.recorded.should == [:loaded]
$LOADED_FEATURES.should include "#{@abs_dir}/load_fixture.ext.rb"
end
it "does not load a C-extension file if a complex-extensioned .rb file is already loaded" do
$LOADED_FEATURES << "#{@abs_dir}/load_fixture.ext.rb"
require_relative("#{@dir}/load_fixture.ext").should be_false
ScratchPad.recorded.should == []
end
end
describe "($LOADED_FEATURES)" do
it "stores an absolute path" do
require_relative(@path).should be_true
$LOADED_FEATURES.should include(@abs_path)
end
platform_is_not :windows do
describe "with symlinks" do
before :each do
@symlink_to_code_dir = tmp("codesymlink")
File.symlink(CODE_LOADING_DIR, @symlink_to_code_dir)
@symlink_basename = File.basename(@symlink_to_code_dir)
@requiring_file = tmp("requiring")
end
after :each do
rm_r @symlink_to_code_dir, @requiring_file
end
it "does not canonicalize the path and stores a path with symlinks" do
symlink_path = "#{@symlink_basename}/load_fixture.rb"
absolute_path = "#{tmp("")}#{symlink_path}"
canonical_path = "#{CODE_LOADING_DIR}/load_fixture.rb"
touch(@requiring_file) { |f|
f.puts "require_relative #{symlink_path.inspect}"
}
load(@requiring_file)
ScratchPad.recorded.should == [:loaded]
features = $LOADED_FEATURES.select { |path| path.end_with?('load_fixture.rb') }
features.should include(absolute_path)
features.should_not include(canonical_path)
end
it "stores the same path that __FILE__ returns in the required file" do
symlink_path = "#{@symlink_basename}/load_fixture_and__FILE__.rb"
touch(@requiring_file) { |f|
f.puts "require_relative #{symlink_path.inspect}"
}
load(@requiring_file)
loaded_feature = $LOADED_FEATURES.last
ScratchPad.recorded.should == [loaded_feature]
end
end
end
it "does not store the path if the load fails" do
saved_loaded_features = $LOADED_FEATURES.dup
-> { require_relative("#{@dir}/raise_fixture.rb") }.should raise_error(RuntimeError)
$LOADED_FEATURES.should == saved_loaded_features
end
it "does not load an absolute path that is already stored" do
$LOADED_FEATURES << @abs_path
require_relative(@path).should be_false
ScratchPad.recorded.should == []
end
it "adds the suffix of the resolved filename" do
require_relative("#{@dir}/load_fixture").should be_true
$LOADED_FEATURES.should include("#{@abs_dir}/load_fixture.rb")
end
it "loads a path for a file already loaded with a relative path" do
$LOAD_PATH << File.expand_path(@dir)
$LOADED_FEATURES << "load_fixture.rb" << "load_fixture"
require_relative(@path).should be_true
$LOADED_FEATURES.should include(@abs_path)
ScratchPad.recorded.should == [:loaded]
end
end
end
describe "Kernel#require_relative with an absolute path" do
before :each do
CodeLoadingSpecs.spec_setup
@dir = File.expand_path "../../fixtures/code", File.dirname(__FILE__)
@abs_dir = @dir
@path = File.join @dir, "load_fixture.rb"
@abs_path = @path
end
after :each do
CodeLoadingSpecs.spec_cleanup
end
it "loads a path relative to the current file" do
require_relative(@path).should be_true
ScratchPad.recorded.should == [:loaded]
end
it "loads a file defining many methods" do
require_relative("#{@dir}/methods_fixture.rb").should be_true
ScratchPad.recorded.should == [:loaded]
end
it "raises a LoadError if the file does not exist" do
-> { require_relative("#{@dir}/nonexistent.rb") }.should raise_error(LoadError)
ScratchPad.recorded.should == []
end
it "raises a LoadError if basepath does not exist" do
-> { eval("require_relative('#{@dir}/nonexistent.rb')") }.should raise_error(LoadError)
end
it "stores the missing path in a LoadError object" do
path = "#{@dir}/nonexistent.rb"
-> {
require_relative(path)
}.should(raise_error(LoadError) { |e|
e.path.should == File.expand_path(path, @abs_dir)
})
end
it "calls #to_str on non-String objects" do
name = mock("load_fixture.rb mock")
name.should_receive(:to_str).and_return(@path)
require_relative(name).should be_true
ScratchPad.recorded.should == [:loaded]
end
it "raises a TypeError if argument does not respond to #to_str" do
-> { require_relative(nil) }.should raise_error(TypeError)
-> { require_relative(42) }.should raise_error(TypeError)
-> {
require_relative([@path,@path])
}.should raise_error(TypeError)
end
it "raises a TypeError if passed an object that has #to_s but not #to_str" do
name = mock("load_fixture.rb mock")
name.stub!(:to_s).and_return(@path)
-> { require_relative(name) }.should raise_error(TypeError)
end
it "raises a TypeError if #to_str does not return a String" do
name = mock("#to_str returns nil")
name.should_receive(:to_str).at_least(1).times.and_return(nil)
-> { require_relative(name) }.should raise_error(TypeError)
end
it "calls #to_path on non-String objects" do
name = mock("load_fixture.rb mock")
name.should_receive(:to_path).and_return(@path)
require_relative(name).should be_true
ScratchPad.recorded.should == [:loaded]
end
it "calls #to_str on non-String objects returned by #to_path" do
name = mock("load_fixture.rb mock")
to_path = mock("load_fixture_rb #to_path mock")
name.should_receive(:to_path).and_return(to_path)
to_path.should_receive(:to_str).and_return(@path)
require_relative(name).should be_true
ScratchPad.recorded.should == [:loaded]
end
describe "(file extensions)" do
it "loads a .rb extensioned file when passed a non-extensioned path" do
require_relative("#{@dir}/load_fixture").should be_true
ScratchPad.recorded.should == [:loaded]
end
it "loads a .rb extensioned file when a C-extension file of the same name is loaded" do
$LOADED_FEATURES << "#{@abs_dir}/load_fixture.bundle"
$LOADED_FEATURES << "#{@abs_dir}/load_fixture.dylib"
$LOADED_FEATURES << "#{@abs_dir}/load_fixture.so"
$LOADED_FEATURES << "#{@abs_dir}/load_fixture.dll"
require_relative(@path).should be_true
ScratchPad.recorded.should == [:loaded]
end
it "does not load a C-extension file if a .rb extensioned file is already loaded" do
$LOADED_FEATURES << "#{@abs_dir}/load_fixture.rb"
require_relative("#{@dir}/load_fixture").should be_false
ScratchPad.recorded.should == []
end
it "loads a .rb extensioned file when passed a non-.rb extensioned path" do
require_relative("#{@dir}/load_fixture.ext").should be_true
ScratchPad.recorded.should == [:loaded]
$LOADED_FEATURES.should include "#{@abs_dir}/load_fixture.ext.rb"
end
it "loads a .rb extensioned file when a complex-extensioned C-extension file of the same name is loaded" do
$LOADED_FEATURES << "#{@abs_dir}/load_fixture.ext.bundle"
$LOADED_FEATURES << "#{@abs_dir}/load_fixture.ext.dylib"
$LOADED_FEATURES << "#{@abs_dir}/load_fixture.ext.so"
$LOADED_FEATURES << "#{@abs_dir}/load_fixture.ext.dll"
require_relative("#{@dir}/load_fixture.ext").should be_true
ScratchPad.recorded.should == [:loaded]
$LOADED_FEATURES.should include "#{@abs_dir}/load_fixture.ext.rb"
end
it "does not load a C-extension file if a complex-extensioned .rb file is already loaded" do
$LOADED_FEATURES << "#{@abs_dir}/load_fixture.ext.rb"
require_relative("#{@dir}/load_fixture.ext").should be_false
ScratchPad.recorded.should == []
end
end
describe "($LOAD_FEATURES)" do
it "stores an absolute path" do
require_relative(@path).should be_true
$LOADED_FEATURES.should include(@abs_path)
end
it "does not store the path if the load fails" do
saved_loaded_features = $LOADED_FEATURES.dup
-> { require_relative("#{@dir}/raise_fixture.rb") }.should raise_error(RuntimeError)
$LOADED_FEATURES.should == saved_loaded_features
end
it "does not load an absolute path that is already stored" do
$LOADED_FEATURES << @abs_path
require_relative(@path).should be_false
ScratchPad.recorded.should == []
end
it "adds the suffix of the resolved filename" do
require_relative("#{@dir}/load_fixture").should be_true
$LOADED_FEATURES.should include("#{@abs_dir}/load_fixture.rb")
end
it "loads a path for a file already loaded with a relative path" do
$LOAD_PATH << File.expand_path(@dir)
$LOADED_FEATURES << "load_fixture.rb" << "load_fixture"
require_relative(@path).should be_true
$LOADED_FEATURES.should include(@abs_path)
ScratchPad.recorded.should == [:loaded]
end
end
end
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