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require_relative 'test_helper'
require 'tilt/cli'
require 'stringio'
describe 'bin/tilt' do
def tilt(*argv)
stdin, stdout, stderr = a = Array.new(3){StringIO.new}
if block_given?
yield(stdin)
stdin.rewind
end
res = Tilt::CLI.run(argv: argv, stdin: stdin, stdout: stdout, stderr: stderr, script_name: 'tilt-test')
stdout.rewind
stderr.rewind
[res, stdout.read, stderr.read]
end
it "should show error message if no template given" do
exit_code, stdout, stderr = tilt
assert_equal 1, exit_code
assert_equal "template type not given. see: tilt-test --help\n", stderr
assert_empty stdout
end
it "should render template if not given options" do
exit_code, stdout, stderr = tilt('test/mytemplate.erb')
assert_equal 0, exit_code
assert_empty stderr
assert_equal "Answer: 2\n", stdout
end
it "should show usage with -h" do
exit_code, stdout, stderr = tilt('-h')
assert_equal 0, exit_code
assert_empty stderr
assert_includes stdout, "Usage: tilt <options> <file>"
end
it "should list available template engines with -l" do
exit_code, stdout, stderr = tilt('-l')
assert_equal 0, exit_code
assert_empty stderr
assert_includes stdout, "\nERB erb, rhtml\n"
end
it "should show error message for invalid implicit engine" do
exit_code, stdout, stderr = tilt('foo.bogus')
assert_equal 1, exit_code
assert_equal "template engine not found for: foo.bogus\n", stderr
assert_empty stdout
end
it "should show error message for invalid explicit engine" do
exit_code, stdout, stderr = tilt('-t', 'bogus')
assert_equal 1, exit_code
assert_equal "unknown template type: bogus\n", stderr
assert_empty stdout
end
it "should support -t for type" do
exit_code, stdout, stderr = tilt('-t', 'erb'){|s| s.write("Answer: <%= 3 %>")}
assert_equal 0, exit_code
assert_empty stderr
assert_includes stdout, "Answer: 3"
end
it "should support -y for layout file" do
exit_code, stdout, stderr = tilt('-y', 'test/mylayout.erb', 'test/mytemplate.erb')
assert_equal 0, exit_code
assert_empty stderr
assert_equal "Before\nAnswer: 2\nAfter\n", stdout.sub("\n\n", "\n")
end
it "should show error message for invalid engine" do
exit_code, stdout, stderr = tilt('-y', 'bogus')
assert_equal 1, exit_code
assert_equal "no such layout: bogus\n", stderr
assert_empty stdout
end
it "should support -D option for locals" do
exit_code, stdout, stderr = tilt('-Dn=3', 'test/mylocalstemplate.erb')
assert_equal 0, exit_code
assert_empty stderr
assert_equal "Answer: 23\n", stdout
end
it "should support -d option for locals specified by yaml file" do
exit_code, stdout, stderr = tilt('-d', 'test/mylocalstemplate.yml', 'test/mylocalstemplate.erb')
assert_equal 0, exit_code
assert_empty stderr
assert_equal "Answer: 24\n", stdout
end
it "should show error message for nonexistant yaml file" do
exit_code, stdout, stderr = tilt('-d', 'bogus')
assert_equal 1, exit_code
assert_equal "no such define file: bogus\n", stderr
assert_empty stdout
end
it "should show error message for invalid yaml file" do
exit_code, stdout, stderr = tilt('-d', 'test/mylayout.erb')
assert_equal 1, exit_code
assert_equal "vars must be a Hash, not instance of String\n", stderr
assert_empty stdout
end
it "should support --vars option for locals " do
exit_code, stdout, stderr = tilt('--vars={"n"=>"4"}', 'test/mylocalstemplate.erb')
assert_equal 0, exit_code
assert_empty stderr
assert_equal "Answer: 24\n", stdout
end
it "should show error message for invalid --vars" do
exit_code, stdout, stderr = tilt('--vars=""')
assert_equal 1, exit_code
assert_equal "vars must be a Hash, not instance of String\n", stderr
assert_empty stdout
end
end
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