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require_relative "spec_helper"
describe "Sequel::Deprecated" do
before do
@d = Sequel::Deprecation
@prev_prefix = @d.prefix
@prev_output = @d.output
@prev_backtrace_filter = @d.backtrace_filter
@output = []
def @output.puts(s)
self << s
end
@d.prefix = false
@d.output = @output
@d.backtrace_filter = false
end
after do
@d.prefix = @prev_prefix
@d.output = @prev_output
@d.backtrace_filter = @prev_backtrace_filter
end
it "should output full messages to the given output" do
@d.deprecate("foo")
@output.must_equal ['foo']
end
it "should consider two arguments to be a method name and additional text" do
@d.deprecate("foo", "Use bar instead")
@output.must_equal ['foo is deprecated and will be removed in Sequel 6. Use bar instead.']
end
it "should include a prefix if set" do
@d.prefix = "DEPWARN: "
@d.deprecate("foo")
@output.must_equal ['DEPWARN: foo']
end
it "should not output anything if output is false" do
@d.output = false
@d.deprecate("foo")
end
it "should include full backtrace if backtrace_filter is true" do
@d.backtrace_filter = true
@d.deprecate("foo")
@output.first.must_equal 'foo'
(4..100).must_include(@output.count)
end
it "should include given lines of backtrace if backtrace_filter is an integer" do
@d.backtrace_filter = 1
@d.deprecate("foo")
@output.first.must_equal 'foo'
@output.count.must_equal 2
@output.clear
@d.backtrace_filter = 3
@d.deprecate("foo")
@output.first.must_equal 'foo'
@output.count.must_equal 4
end
it "should select backtrace lines if backtrace_filter is a proc" do
@d.backtrace_filter = lambda{|line, line_no| line_no < 3 && line =~ /./}
@d.deprecate("foo")
@output.first.must_equal 'foo'
@output.count.must_equal 4
end
end
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