If the main object of the context has `#delete` method, the following
warning is printed.
```
irb: warn: can't alias delete from irb_delete.
```
00b39be61f
string
(https://github.com/ruby/irb/pull/528)
* Handle long inspect and control characters in prompt string
* Add constants for prompt truncate length, omission and replace pattern
* Simply compare string instead of regexp in prompt truncation test
`IRB::Inspector#inspect_value` errors
(https://github.com/ruby/irb/pull/511)
**Before**
```
irb(main):001:0> c = Cat.new "foo"
(Object doesn't support #inspect)
=>
```
**After**
```
irb(main):001:0> c = Cat.new "foo"
An error occurred when inspecting the object: #<NoMethodError: undefined method `is_a?' for foo:Cat
if obj.is_a?(String)
^^^^^^>
Result of Kernel#inspect: #<Cat:0x0000000109090d80 @name="foo">
=>
```
(https://github.com/ruby/irb/pull/514)
* Improve encoding error test case
The test input IRB currently uses happen to hit a compatibility bug in
TruffleRuby, which has been documented in
https://github.com/oracle/truffleruby/issues/2848
Although it'll eventually be fixed, we can make the test case support TruffleRuby
now by tweaking it just a little bit.
Co-authored-by: Kevin Menard <kevin@nirvdrum.com>
* Remove redundant TruffleRuby omits/pends
Co-authored-by: Kevin Menard <kevin@nirvdrum.com>
* Use a different way to test warning emission
The test case was added in d08ef68d2d
to verify that IRB emits Ruby warning as expected.
But the subject it uses relies on CRuby's regexp engine, which isn't always
used in other language implementations, like TruffleRuby. That's why we
ended up skipping TruffleRuby in this test case.
Since the test isn't about regexp itself, we can change the testing subject
and just remove the special condition for TruffleRuby.
Co-authored-by: Kevin Menard <kevin@nirvdrum.com>
---------
6fdf4f3e97
Co-authored-by: Kevin Menard <kevin@nirvdrum.com>
conveniently
(https://github.com/ruby/irb/pull/429)
* Create a base TestIRB::TestCase class
* Save/restore encodings for tests that initializes InputMethod classes
Because `RelineInputMethod#initializes` calls `set_encoding`, which
changes stdio/out/err and Encoding's default encoding values, we need to
make sure any test that directly or indirectly (e.g. through Context)
initializes `RelineInputMethod` restores encodings.
`ReadlineInputMethod` also changes encodings but currently no tests
cover it.
* Remove unnecessary TestHelper module
Since we now have a base TestCase, without_rdoc can just live there.
c2874ec121
* Use local_variables for colorize, code_block_open check, nesting_level and assignment_expression check
* Check if expression is an assignment BEFORE evaluating it. evaluate might define new localvars and change result of assignment_expression?
* Add local_variables dependent code test
* pend local variable dependent test on truffleruby
code_block_open is not working on truffleruby
* Always pass context to RubyLex#lex
* Rename local_variable_assign_code generator method name
* Add assignment expression truncate test
* Add Context#local_variables and make generate_local_variables_assign_code more simple
* Update lib/irb/input-method.rb
Co-authored-by: Stan Lo <stan001212@gmail.com>
* Add a comment why assignment expression check should be done before evaluate
c8b3877281
Co-authored-by: Stan Lo <stan001212@gmail.com>
Co-authored-by: Takashi Kokubun <takashikkbn@gmail.com>
Some context tests assigns USE_COLORIZE to false and never change it
back. This can potentially affect other tests' result as the default
should be nil (activated) instead.
986eb16ece
* Use colorable: argument as the only coloring control
* Centalize color controling logic at Color.colorable?
There are 2 requirements for coloring output:
1. It's supported on the platform
2. The user wants it: `IRB.conf[:USE_COLORIZE] == true`
Right now we check 1 and 2 separately whenever we colorize things.
But it's error-prone because while 1 is the default of `colorable`
parameter, 2 always need to manually checked. When 2 is overlooked, it
causes issues like https://github.com/ruby/irb/pull/362
And there's 0 case where we may want to colorize even when the user
disables it. So I think we should merge 2 into `Color.colorable?` so it
can be automatically picked up.
* Add tests for all inspect modes
* Simplify inspectors' coloring logic
* Replace use_colorize? with Color.colorable?
* Remove Context#use_colorize cause it's redundant
1c53023ac4
When outputting a (possibly truncated) value, IRB will query the
window size. However, if IRB was piped to another process, stdout
will no longer be a TTY and will not support the `winsize` method.
This fix ensure that stdout is a TTY.
125de5eeea
* moved rescue clause to `#inspect_value` to catch all failures in inspectors
* test with all (currently five kind of) inspect modes
- tweaked the input due to only `Marshal` can inspect(dump) a `BasicObject`
9d112fab8e
Omit the results evaluated at assignment if they are too long.
The behavior of ECHO_ON_ASSIGNMENT being on by default is hard to understand,
so I change it to off by default. Instead, we turn OMIT_ON_ASSIGNMENT on by
default. The result is displayed on assignment, but it will always be short
and within one line of the screen.
c5ea79d5ce
* lib/irb/context.rb (IRB::Context#evaluate): separate the code
from wrapping lines to propagate the given exception, not to show
the wrapping lines when SyntaxError.
