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|
# frozen_string_literal: false
require 'test/unit'
require 'tmpdir'
class TestTracer < Test::Unit::TestCase
include EnvUtil
def test_tracer_with_option_r
assert_in_out_err(%w[-rtracer -e 1]) do |(*lines),|
case lines.size
when 1
# do nothing
else
assert_match(%r{rubygems/core_ext/kernel_require\.rb:\d+:Kernel:<:}, lines[0])
end
assert_equal "#0:-e:1::-: 1", lines.last
end
end
def test_tracer_with_option_r_without_gems
assert_in_out_err(%w[--disable-gems -rtracer -e 1]) do |(*lines),|
assert_equal 1, lines.size, "unexpected output from `ruby --disable-gems -rtracer -e 1`"
assert_equal "#0:-e:1::-: 1", lines.last
end
end
def test_tracer_with_require
Dir.mktmpdir("test_ruby_tracer") do |dir|
script = File.join(dir, "require_tracer.rb")
open(script, "w") do |f|
f.print <<-EOF
require 'tracer'
1
EOF
end
assert_in_out_err([script]) do |(*lines),|
assert_empty(lines)
end
end
end
def test_tracer_with_require_without_gems
Dir.mktmpdir("test_ruby_tracer") do |dir|
script = File.join(dir, "require_tracer.rb")
open(script, "w") do |f|
f.print <<-EOF
require 'tracer'
1
EOF
end
assert_in_out_err(["--disable-gems", script]) do |(*lines),|
assert_empty(lines)
end
end
end
def test_tracer_by_add_filter_with_block
Dir.mktmpdir("test_ruby_tracer") do |dir|
script = File.join(dir, "require_tracer.rb")
open(script, "w") do |f|
f.print <<-'EOF'
require 'tracer'
class Hoge
def Hoge.fuga(i)
"fuga #{i}"
end
end
Tracer.add_filter {|event, file, line, id, binding, klass|
event =~ /line/ and klass.to_s =~ /hoge/i
}
Tracer.on
for i in 0..3
puts Hoge.fuga(i) if i % 3 == 0
end
Tracer.off
EOF
end
assert_in_out_err([script]) do |(*lines), err|
expected = [
"#0:#{script}:5:Hoge:-: \"fuga \#{i}\"",
"fuga 0",
"#0:#{script}:5:Hoge:-: \"fuga \#{i}\"",
"fuga 3"
]
assert_equal(expected, lines)
assert_empty(err)
end
end
end
def test_tracer_by_add_filter_with_proc
Dir.mktmpdir("test_ruby_tracer") do |dir|
script = File.join(dir, "require_tracer.rb")
open(script, "w") do |f|
f.print <<-'EOF'
require 'tracer'
class Hoge
def Hoge.fuga(i)
"fuga #{i}"
end
end
a_proc_to_add_filter = proc {|event, file, line, id, binding, klass|
event =~ /line/ and klass.to_s =~ /hoge/i
}
Tracer.add_filter(a_proc_to_add_filter)
Tracer.on
for i in 0..3
puts Hoge.fuga(i) if i % 3 == 0
end
Tracer.off
EOF
end
assert_in_out_err([script]) do |(*lines), err|
expected = [
"#0:#{script}:5:Hoge:-: \"fuga \#{i}\"",
"fuga 0",
"#0:#{script}:5:Hoge:-: \"fuga \#{i}\"",
"fuga 3"
]
assert_equal(expected, lines)
assert_empty(err)
end
end
end
def test_tracer_by_set_get_line_procs_with_block
Dir.mktmpdir("test_ruby_tracer") do |dir|
dummy_script = File.join(dir, "dummy.rb")
open(dummy_script, "w") do |f|
f.print <<-'EOF'
class Dummy
def initialize
@number = 135
end
attr :number
end
EOF
end
dummy_script = File.realpath dummy_script
script = File.join(dir, "require_tracer.rb")
open(script, "w") do |f|
f.print <<-EOF
require 'tracer'
Tracer.set_get_line_procs('#{dummy_script}') { |line|
str = %{\\n}
str = %{!!\\n} if line >= 3 and line <= 6
str
}
Tracer.on
require_relative 'dummy'
dm = Dummy.new
puts dm.number
EOF
end
assert_in_out_err([script]) do |(*lines), err|
expected = [
"#0:#{script}:9::-: require_relative 'dummy'",
"#0:#{dummy_script}:1::-: ",
"#0:#{dummy_script}:1::C: ",
"#0:#{dummy_script}:2::-: ",
"#0:#{dummy_script}:5::-: !!",
"#0:#{dummy_script}:6::E: !!",
"#0:#{script}:11::-: dm = Dummy.new",
"#0:#{dummy_script}:2:Dummy:>: ",
"#0:#{dummy_script}:3:Dummy:-: !!",
"#0:#{dummy_script}:4:Dummy:<: !!",
"#0:#{script}:12::-: puts dm.number",
"135"
]
assert_equal(expected, lines)
assert_empty(err)
end
end
end
def test_tracer_by_set_get_line_procs_with_proc
Dir.mktmpdir("test_ruby_tracer") do |dir|
dummy_script = File.join(dir, "dummy.rb")
open(dummy_script, "w") do |f|
f.print <<-'EOF'
class Dummy
def initialize
@number = 135
end
attr :number
end
EOF
end
dummy_script = File.realpath dummy_script
script = File.join(dir, "require_tracer.rb")
open(script, "w") do |f|
f.print <<-EOF
require 'tracer'
a_proc_to_set_get_line_procs = proc { |line|
str = %{\\n}
str = %{!!\\n} if line >= 3 and line <= 6
str
}
Tracer.set_get_line_procs('#{dummy_script}', a_proc_to_set_get_line_procs)
Tracer.on
require_relative 'dummy'
dm = Dummy.new
puts dm.number
EOF
end
assert_in_out_err([script]) do |(*lines), err|
expected = [
"#0:#{script}:10::-: require_relative 'dummy'",
"#0:#{dummy_script}:1::-: ",
"#0:#{dummy_script}:1::C: ",
"#0:#{dummy_script}:2::-: ",
"#0:#{dummy_script}:5::-: !!",
"#0:#{dummy_script}:6::E: !!",
"#0:#{script}:12::-: dm = Dummy.new",
"#0:#{dummy_script}:2:Dummy:>: ",
"#0:#{dummy_script}:3:Dummy:-: !!",
"#0:#{dummy_script}:4:Dummy:<: !!",
"#0:#{script}:13::-: puts dm.number",
"135"
]
assert_equal(expected, lines)
assert_empty(err)
end
end
end
end
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