Re: [PATCH v3 35/35] userdiff tests: add basic test for ruby

> Add a test for the Ruby pattern added way back in ad8c1d9260 (diff:
> add ruby funcname pattern, 2008-07-31).
> 
> The "One/Two" picking demonstrates existing behavior, and a general
> case where we may not do what the user expects since we're not aware
> of the indentation level.
> 
> The code is modified from the Ruby code we have in-tree at
> Documentation/asciidoctor-extensions.rb.
> 
> Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
> ---
>  t/t4018-diff-funcname.sh |  1 -
>  t/t4018/ruby.sh          | 58 ++++++++++++++++++++++++++++++++++++++++
>  2 files changed, 58 insertions(+), 1 deletion(-)
>  create mode 100755 t/t4018/ruby.sh
> 
> diff --git a/t/t4018-diff-funcname.sh b/t/t4018-diff-funcname.sh
> index b0c2782d067..7793d7652d5 100755
> --- a/t/t4018-diff-funcname.sh
> +++ b/t/t4018-diff-funcname.sh
> @@ -23,7 +23,6 @@ test_expect_success 'setup' '
>  	html
>  	objc
>  	pascal
> -	ruby
>  	tex
>  	EOF
>  
> diff --git a/t/t4018/ruby.sh b/t/t4018/ruby.sh
> new file mode 100755
> index 00000000000..ef8a154421a
> --- /dev/null
> +++ b/t/t4018/ruby.sh
> @@ -0,0 +1,58 @@
> +#!/bin/sh
> +#
> +# See ../t4018-diff-funcname.sh's test_diff_funcname()
> +#
> +
> +test_diff_funcname 'ruby: "def" over "class/module"' \
> +	8<<\EOF_HUNK 9<<\EOF_TEST
> +def process(parent)
> +EOF_HUNK
> +require 'asciidoctor'
> +
> +module Git
> +  module Documentation
> +    class SomeClass
> +      use_some
> +
> +      def process(parent)
> +        puts("hello")
> +	puts(ChangeMe)
> +      end
> +    end
> +  end
> +end
> +EOF_TEST
> +
> +test_diff_funcname 'ruby: "class" over "class/module"' \
> +	8<<\EOF_HUNK 9<<\EOF_TEST
> +class Two
> +EOF_HUNK
> +module Git
> +  module Documentation
> +    class One
> +    end
> +
> +    class Two
> +      # Spacing for -U1

> +      ChangeMe
> +    end
> +  end
> +end
> +EOF_TEST
> +
> +test_diff_funcname 'ruby: picks first "class/module/def" before changed context' \
> +	'-U1' \
> +	8<<\EOF_HUNK 9<<\EOF_TEST
> +class One
> +EOF_HUNK
> +module Git
> +  module Documentation
> +    class One
> +    end
> +
> +    class Two
> +      ChangeMe
> +    end
> +  end
> +end
> +EOF_TEST