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Bug #10075

closed

URI#join needs documentation of its behavior

Added by jxf (John Feminella) over 9 years ago. Updated over 9 years ago.

Status:
Closed
Assignee:
Target version:
ruby -v:
ruby 2.1.2p95 (2014-05-08 revision 45877) [x86_64-linux]
[ruby-core:63862]

Description

The documentation for URI.join says:

"Joins URIs."

Let's look at what a similar join method documentation says, on File:

Returns a new string formed by joining the strings using File::SEPARATOR.

That seems pretty clear. Indeed, we get:

File.join 'path', 'to', 'join'
# => "path/to/join"

which is what we expected. What do we get if we try the natural URI equivalent?

> URI.join('http://example.com', 'foo', 'bar')

We probably expect something like:

# => "http://example.com/foo/bar"

but we'll actually get

# => "http://example.com/bar"

This seems surprising and counterintuitive, even if it matches the documentation behavior, because the documentation doesn't explain why that's the case. I think if Ruby is going to be surprising in that way, it needs to explain that to users in the documentation.


Related issues 1 (0 open1 closed)

Is duplicate of Ruby master - Bug #6057: URI - Nonsensical BehaviorClosedakira (akira yamada)Actions
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