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# frozen_string_literal: true
require "test_helper"
module WebConsole
class SessionTest < ActiveSupport::TestCase
class ValueAwareError < StandardError
def self.raise(value)
::Kernel.raise self, value
rescue => exc
exc
end
def self.raise_nested_error(value)
::Kernel.raise self, value
rescue
value = 1 # Override value so we can target the binding here
::Kernel.raise "Second Error" rescue $!
end
attr_reader :value
def initialize(value)
@value = value
end
end
setup do
Session.inmemory_storage.clear
@session = Session.new([[binding]])
end
test "returns nil when a session is not found" do
assert_nil Session.find("nonexistent session")
end
test "find returns a persisted object" do
assert_equal @session, Session.find(@session.id)
end
test "can evaluate code in the currently selected binding" do
assert_equal "=> 42\n", @session.eval("40 + 2")
end
test "use first binding if no application bindings" do
binding = Object.new.instance_eval do
def eval(string)
case string
when "__FILE__" then framework
when "called?" then "yes"
end
end
def source_location
end
self
end
session = Session.new([[binding]])
assert_equal session.eval("called?"), "=> \"yes\"\n"
end
test "#from can create session from a single binding" do
value, saved_binding = __LINE__, binding
Thread.current[:__web_console_binding] = saved_binding
session = Session.from(__web_console_binding: saved_binding)
assert_equal "=> #{value}\n", session.eval("value")
end
test "#from can create session from an exception" do
value = __LINE__
exc = ValueAwareError.raise(value)
session = Session.from(__web_console_exception: exc)
assert_equal "=> #{exc.value}\n", session.eval("value")
end
test "#from can switch to bindings" do
value = __LINE__
exc = ValueAwareError.raise(value)
session = Session.from(__web_console_exception: exc)
session.switch_binding_to(1, exc.object_id)
assert_equal "=> #{value}\n", session.eval("value")
end
test "#from can switch to the cause" do
value = __LINE__
exc = ValueAwareError.raise_nested_error(value)
session = Session.from(__web_console_exception: exc)
session.switch_binding_to(1, exc.cause.object_id)
assert_equal "=> #{value}\n", session.eval("value")
end
test "#from prioritizes exceptions over bindings" do
exc = ValueAwareError.raise(42)
session = Session.from(__web_console_exception: exc, __web_console_binding: binding)
assert_equal "=> WebConsole::SessionTest::ValueAwareError\n", session.eval("self")
end
end
end
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