DIFECTS
Assertion testing library for Ruby
http://snk.tuxfamily.org/lib/difects/
DIFECTS is an assertion testing library for Ruby that
emphasizes a simple assertion vocabulary, instant
debuggability of failures, and flexibility in composing
tests.
Version 3.0.0 (2010-07-24)
This release renames the project to "DIFECTS", reduces cruft,
improves the presentation and debuggability of assertion
failures, and revises the manual. Thank you: Gavin Sinclair
inspired me to work on this project again! Incompatible
changes: Rename project from "Dfect" to "DIFECTS", which
stands for: Describe, Inform, False, Error, Catch, True,
Share Remove ruby-debug integration because it is only
helpful if you run a program inside it from the very start!
That is, you cannot start ruby-debug in the middle of a
program and expect it to know about the call stack that lead
up to that point in the program. Instead, we now use IRB to
inspect program state at the point of failure only. Remove
--quiet option because user can pipe to /dev/null instead.
Rename run() to start() to better complement stop(). The
run() method no longer clears test results; use reset() for
that. Rename L() to I() as in "inform" the user. Replace
options() with debug(). Replace report() with trace() and
stats(). Rename the difects/full library to difects/long. Do
not report instance variables in assertion failures. New
features: Improve debuggability by tracking the bindings of
all lines of code executed leading up to the point of failure
using Ruby's awesome set_trace_func facility. This allows
block-less assertions to be debugged with the same level of
accuracy as normal block-given assertions: x = 1 y = 3 T { x
== y } # a block-given assertion T x == y # a block-less
assertion In both cases, you will be able to inspect the
local variables x and y! Add I!() method to start the
interactive debugger anywhere in your tests. Add reset() to
manually clear previous test results. Alias test() to D() in
Test::Unit emulation layer. Fallback to pp() if to_yaml()
fails while reporting failures. Use OrderedHash library in
Ruby versions older than 1.9 for consistent presentation of
information in assertion failures. Show full failure details
before starting debugger instead of omitting the backtrace
and local variables listing. Use PP to pretty-print variable
values in failure details. Omit unavailable information from
failure details. Put backtrace above code listing and
variables in failure details. Prevent empty array leaf nodes
in execution trace. Bug fixes: Make DIFECTS module's instance
methods available as class methods. Always display fail trace
before entering debugger. Always clear test execution
internals after start(). Prevent IRB re-initialization errors
when starting debugger. Housekeeping: Clarify how to mix-in
modules inside insulated tests in the manual. Thanks to Gavin
Sinclair for reporting this issue. Document methods (with
hyperlinks to the location in the source code where they are
defined) provided by emulation layers in manual. Talk about
passing condition as first argument to T and F assertions and
provide a code example in the manual. Clean up the code and
revise the manual. Yay!
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