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require "../spec_helper"
describe File do
describe ".tempname" do
it "creates a path without creating the file" do
path = File.tempname
File.exists?(path).should be_false
File.dirname(path).should eq Dir.tempdir
end
it "accepts single suffix argument" do
path = File.tempname ".bar"
File.exists?(path).should be_false
File.dirname(path).should eq Dir.tempdir
File.extname(path).should eq(".bar")
end
it "accepts prefix and suffix arguments" do
path = File.tempname "foo", ".bar"
File.exists?(path).should be_false
File.dirname(path).should eq Dir.tempdir
File.extname(path).should eq(".bar")
File.basename(path).should start_with("foo")
end
it "accepts prefix with separator" do
path = File.tempname "foo/", nil
File.dirname(path).should eq File.join(Dir.tempdir, "foo")
File.basename(path).should_not start_with("foo")
end
it "accepts dir argument" do
path = File.tempname(dir: "foo")
File.dirname(path).should eq("foo")
end
end
describe ".tempfile" do
it "creates and writes" do
tempfile = File.tempfile
tempfile.print "Hello!"
tempfile.close
File.exists?(tempfile.path).should be_true
File.read(tempfile.path).should eq("Hello!")
ensure
tempfile.try &.delete
end
it "accepts single suffix argument" do
tempfile = File.tempfile ".bar"
tempfile.print "Hello!"
tempfile.close
File.extname(tempfile.path).should eq(".bar")
File.exists?(tempfile.path).should be_true
File.read(tempfile.path).should eq("Hello!")
ensure
tempfile.try &.delete
end
it "accepts prefix and suffix arguments" do
tempfile = File.tempfile "foo", ".bar"
tempfile.print "Hello!"
tempfile.close
File.extname(tempfile.path).should eq(".bar")
File.basename(tempfile.path).should start_with("foo")
File.exists?(tempfile.path).should be_true
File.read(tempfile.path).should eq("Hello!")
ensure
tempfile.try &.delete
end
pending_win32 "accepts dir argument" do
file = File.tempfile(dir: datapath)
File.dirname(file.path).should eq(datapath)
ensure
file.try &.delete
end
pending_win32 "fails in nonwriteable folder" do
expect_raises(File::NotFoundError, "Error creating temporary file: '#{datapath("non-existing-folder")}/") do
File.tempfile dir: datapath("non-existing-folder")
end
end
it "rejects null byte" do
expect_raises(ArgumentError, "String contains null byte") do
File.tempfile("foo\0")
end
expect_raises(ArgumentError, "String contains null byte") do
File.tempfile("foo", "bar\0")
end
expect_raises(ArgumentError, "String contains null byte") do
File.tempfile("foo", "bar", dir: "baz\0")
end
end
describe "with block" do
it "closes file" do
filepath = nil
tempfile = File.tempfile do |tempfile|
filepath = tempfile.path
end
tempfile.path.should eq filepath
tempfile.closed?.should be_true
filepath = filepath.not_nil!
File.exists?(filepath).should be_true
ensure
File.delete(filepath) if filepath
end
it "accepts single suffix argument" do
tempfile = File.tempfile(".bar") do |tempfile|
File.exists?(tempfile.path).should be_true
tempfile.closed?.should be_false
end
tempfile.closed?.should be_true
File.extname(tempfile.path).should eq(".bar")
File.exists?(tempfile.path).should be_true
ensure
File.delete(tempfile.path) if tempfile
end
it "accepts prefix and suffix arguments" do
tempfile = File.tempfile("foo", ".bar") do |tempfile|
File.exists?(tempfile.path).should be_true
tempfile.closed?.should be_false
end
tempfile.closed?.should be_true
File.extname(tempfile.path).should eq(".bar")
File.basename(tempfile.path).should start_with("foo")
File.exists?(tempfile.path).should be_true
ensure
File.delete(tempfile.path) if tempfile
end
it "accepts dir argument" do
tempfile = File.tempfile(dir: datapath) do |tempfile|
end
File.dirname(tempfile.path).should eq(datapath)
ensure
File.delete(tempfile.path) if tempfile
end
end
end
end
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