Add Telebugs.notify with empty implementation

.standard.yml

@@ -0,0 +1 @@
+ruby_version: 3.0

lib/telebugs.rb

@@ -1,7 +1,10 @@
 # frozen_string_literal: true
 
+require "concurrent"
+
 require_relative "telebugs/version"
 require_relative "telebugs/config"
+require_relative "telebugs/promise"
 
 module Telebugs
   # The general error that this library uses when it wants to raise.
@@ -11,5 +14,10 @@ class << self
     def configure
       yield Telebugs::Config.instance
     end
+
+    def notify(error:)
+      Telebugs::Promise.new(error) do
+      end
+    end
   end
 end

lib/telebugs/promise.rb

@@ -0,0 +1,15 @@
+# frozen_string_literal: true
+
+module Telebugs
+  # Wraps Concurrent::Promise to provide a consistent API for promises that we
+  # can control.
+  class Promise
+    def initialize(...)
+      @future = Concurrent::Promises.future(...)
+    end
+
+    def value
+      @future.value
+    end
+  end
+end

telebugs.gemspec

@@ -32,8 +32,7 @@ Gem::Specification.new do |spec|
   spec.executables = spec.files.grep(%r{\Aexe/}) { |f| File.basename(f) }
   spec.require_paths = ["lib"]
 
-  # Uncomment to register a new dependency of your gem
-  # spec.add_dependency "example-gem", "~> 1.0"
+  spec.add_dependency "concurrent-ruby", "~> 1.3"
 
   # For more information and examples about making a new gem, check out our
   # guide at: https://bundler.io/guides/creating_gem.html

test/test_promise.rb

@@ -0,0 +1,11 @@
+# frozen_string_literal: true
+
+require "test_helper"
+
+class TestPromise < Minitest::Test
+  def test_future_value
+    promise = Telebugs::Promise.new { 1 + 1 }
+
+    assert_equal 2, promise.value
+  end
+end

test/test_telebugs.rb

@@ -16,4 +16,10 @@ def test_configure_configures_project_key
 
     assert_equal key, Telebugs::Config.instance.api_key
   end
+
+  def test_notify_returns_a_future
+    future = Telebugs.notify(error: StandardError.new)
+
+    assert_instance_of Telebugs::Promise, future
+  end
 end