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# frozen_string_literal: true
require "test_helper"
module Byebug
#
# Tests adding conditions to breakpoints.
#
class ConditionTest < TestCase
def program
strip_line_numbers <<-RUBY
1: module Byebug
2: byebug
3:
4: b = 5
5: c = b + 5
6: c + 3
7: end
RUBY
end
def test_setting_condition_assigns_expression_to_breakpoint
enter "break 5", -> { "condition #{Breakpoint.first.id} b == 5" }
debug_code(program) { assert_equal "b == 5", Breakpoint.first.expr }
end
def test_setting_condition_w_wrong_syntax_does_not_enable_breakpoint
enter "break 5",
-> { "disable b #{Breakpoint.first.id}" },
-> { "cond #{Breakpoint.first.id} b ==" }
debug_code(program) { assert_equal false, Breakpoint.first.enabled? }
end
def test_setting_condition_w_wrong_syntax_shows_error
enter "break 5",
-> { "disable #{Breakpoint.first.id}" },
-> { "cond #{Breakpoint.first.id} b ==" }
debug_code(program)
check_error_includes \
'Incorrect expression "b ==", breakpoint not changed'
end
def test_execution_stops_when_condition_is_true
enter "break 5", -> { "cond #{Breakpoint.first.id} b == 5" }, "cont"
debug_code(program) { assert_equal 5, frame.line }
end
def test_execution_does_not_stop_when_condition_is_false
enter "b 5", "b 6", -> { "cond #{Breakpoint.first.id} b == 3" }, "cont"
debug_code(program) { assert_equal 6, frame.line }
end
def test_conditions_with_wrong_syntax_are_ignored
enter "b 5", "b 6", -> { "cond #{Breakpoint.first.id} b ==" }, "cont"
debug_code(program) { assert_equal 5, frame.line }
end
def test_empty_condition_means_removing_any_conditions
enter "b 5 if b == 3", "b 6", -> { "cond #{Breakpoint.first.id}" }, "c"
debug_code(program) do
assert_nil Breakpoint.first.expr
assert_equal 5, frame.line
end
end
def test_shows_error_if_there_are_no_breakpoints
enter "cond 1 true"
debug_code(program)
check_error_includes "No breakpoints have been set"
end
def test_shows_error_if_breakpoint_id_is_incorrect
enter "break 5", -> { "cond #{Breakpoint.last.id + 1} b == 3" }
debug_code(program)
check_error_includes \
"Invalid breakpoint id. " \
'Use "info breakpoint" to find out the correct id'
end
end
end
|
