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# frozen_string_literal: true
require_relative "abstract_unit"
class BacktraceCleanerFilterTest < ActiveSupport::TestCase
def setup
@bc = ActiveSupport::BacktraceCleaner.new
@bc.add_filter { |line| line.gsub("/my/prefix", "") }
end
test "backtrace should filter all lines in a backtrace, removing prefixes" do
assert_equal \
["/my/class.rb", "/my/module.rb"],
@bc.clean(["/my/prefix/my/class.rb", "/my/prefix/my/module.rb"])
end
test "backtrace cleaner should allow removing filters" do
@bc.remove_filters!
assert_equal "/my/prefix/my/class.rb", @bc.clean(["/my/prefix/my/class.rb"]).first
end
test "backtrace should contain unaltered lines if they don't match a filter" do
assert_equal "/my/other_prefix/my/class.rb", @bc.clean([ "/my/other_prefix/my/class.rb" ]).first
end
test "#dup also copy filters" do
copy = @bc.dup
@bc.add_filter { |line| line.gsub("/other/prefix/", "") }
assert_equal "my/class.rb", @bc.clean(["/other/prefix/my/class.rb"]).first
assert_equal "/other/prefix/my/class.rb", copy.clean(["/other/prefix/my/class.rb"]).first
end
end
class BacktraceCleanerSilencerTest < ActiveSupport::TestCase
def setup
@bc = ActiveSupport::BacktraceCleaner.new
@bc.add_silencer { |line| line.include?("mongrel") }
end
test "backtrace should not contain lines that match the silencer" do
assert_equal \
[ "/other/class.rb" ],
@bc.clean([ "/mongrel/class.rb", "/other/class.rb", "/mongrel/stuff.rb" ])
end
test "backtrace cleaner should allow removing silencer" do
@bc.remove_silencers!
assert_equal ["/mongrel/stuff.rb"], @bc.clean(["/mongrel/stuff.rb"])
end
test "#dup also copy silencers" do
copy = @bc.dup
@bc.add_silencer { |line| line.include?("puma") }
assert_equal [], @bc.clean(["/puma/stuff.rb"])
assert_equal ["/puma/stuff.rb"], copy.clean(["/puma/stuff.rb"])
end
end
class BacktraceCleanerMultipleSilencersTest < ActiveSupport::TestCase
def setup
@bc = ActiveSupport::BacktraceCleaner.new
@bc.add_silencer { |line| line.include?("mongrel") }
@bc.add_silencer { |line| line.include?("yolo") }
end
test "backtrace should not contain lines that match the silencers" do
assert_equal \
[ "/other/class.rb" ],
@bc.clean([ "/mongrel/class.rb", "/other/class.rb", "/mongrel/stuff.rb", "/other/yolo.rb" ])
end
test "backtrace should only contain lines that match the silencers" do
assert_equal \
[ "/mongrel/class.rb", "/mongrel/stuff.rb", "/other/yolo.rb" ],
@bc.clean([ "/mongrel/class.rb", "/other/class.rb", "/mongrel/stuff.rb", "/other/yolo.rb" ],
:noise)
end
end
class BacktraceCleanerFilterAndSilencerTest < ActiveSupport::TestCase
def setup
@bc = ActiveSupport::BacktraceCleaner.new
@bc.add_filter { |line| line.gsub("/mongrel", "") }
@bc.add_silencer { |line| line.include?("mongrel") }
end
test "backtrace should not silence lines that has first had their silence hook filtered out" do
assert_equal [ "/class.rb" ], @bc.clean([ "/mongrel/class.rb" ])
end
end
class BacktraceCleanerDefaultFilterAndSilencerTest < ActiveSupport::TestCase
def setup
@bc = ActiveSupport::BacktraceCleaner.new
end
test "should format installed gems correctly" do
backtrace = [ "#{Gem.default_dir}/gems/nosuchgem-1.2.3/lib/foo.rb" ]
result = @bc.clean(backtrace, :all)
assert_equal "nosuchgem (1.2.3) lib/foo.rb", result[0]
end
test "should format installed gems not in Gem.default_dir correctly" do
target_dir = Gem.path.detect { |p| p != Gem.default_dir }
# skip this test if default_dir is the only directory on Gem.path
if target_dir
backtrace = [ "#{target_dir}/gems/nosuchgem-1.2.3/lib/foo.rb" ]
result = @bc.clean(backtrace, :all)
assert_equal "nosuchgem (1.2.3) lib/foo.rb", result[0]
end
end
test "should format gems installed by bundler" do
backtrace = [ "#{Gem.default_dir}/bundler/gems/nosuchgem-1.2.3/lib/foo.rb" ]
result = @bc.clean(backtrace, :all)
assert_equal "nosuchgem (1.2.3) lib/foo.rb", result[0]
end
test "should silence gems from the backtrace" do
backtrace = [ "#{Gem.path[0]}/gems/nosuchgem-1.2.3/lib/foo.rb" ]
result = @bc.clean(backtrace)
assert_empty result
end
test "should silence stdlib" do
backtrace = ["#{RbConfig::CONFIG["rubylibdir"]}/lib/foo.rb"]
result = @bc.clean(backtrace)
assert_empty result
end
test "should preserve lines that have a subpath matching a gem path" do
backtrace = [Gem.default_dir, *Gem.path].map { |path| "/parent#{path}/gems/nosuchgem-1.2.3/lib/foo.rb" }
assert_equal backtrace, @bc.clean(backtrace)
end
end
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