Initial commit with IRC and bot example.

Signed-off-by: Alek Ratzloff <alekratz@gmail.com>

test/config_test.exs

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+defmodule ConfigTest do
+  use ExUnit.Case
+
+  alias Omnibot.Config
+
+  test "config all_channels works correctly" do
+    cfg = %Config {
+      server: "test",
+      modules: [
+        {Test, channels: ["#foo", "#bar"]},
+        {Test, channels: ["#foo"]},
+        {Test, channels: ["#bar"]},
+        {Test, channels: ["#baz"]},
+      ]
+    }
+
+    channels = Config.all_channels(cfg)
+
+    assert length(channels) == 3
+    assert Enum.any?(channels, fn channel -> channel == "#foo" end)
+    assert Enum.any?(channels, fn channel -> channel == "#bar" end)
+    assert Enum.any?(channels, fn channel -> channel == "#baz" end)
+  end
+end

test/irc/msg_test.exs

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+alias Omnibot.Irc
+alias Omnibot.Msg
+
+defmodule Omnibot.Irc.MsgTest do
+  use ExUnit.Case
+
+  # doctest Irc
+
+  test "irc message parsing" do
+    assert %Irc.Msg{
+      prefix: %Irc.Msg.Prefix{nick: "example.com"},
+      command: "PRIVMSG",
+      params: [],
+    } == Irc.Msg.parse(":example.com PRIVMSG")
+
+    assert %Irc.Msg{
+      prefix: %Irc.Msg.Prefix{nick: "example.com"},
+      command: "PRIVMSG",
+      params: ["#channel", "message text"],
+    } == Irc.Msg.parse(":example.com PRIVMSG #channel :message text")
+
+    assert %Irc.Msg{
+      prefix: %Irc.Msg.Prefix{nick: "example.com"},
+      command: "PRIVMSG",
+      params: ["#channel", "message", "text"],
+    } == Irc.Msg.parse(":example.com PRIVMSG #channel message text")
+  end
+
+  test "irc message prefix parsing" do
+    alias Irc.Msg.Prefix
+    assert Prefix.parse(":example.com") != %Prefix{}
+
+    %Prefix{
+      nick: "example.com"
+    } = Prefix.parse("example.com")
+
+    %Prefix{
+      nick: "nick"
+    } = Prefix.parse("nick")
+
+    %Prefix{
+      nick: "nick",
+      user: "username"
+    } = Prefix.parse("nick!username")
+
+    %Prefix{
+      nick: "nick",
+      user: "username",
+      host: "example.com"
+    } = Prefix.parse("nick!username@example.com")
+  end
+
+  test "irc message prefix to_string" do
+    alias Irc.Msg.Prefix
+
+    prefixes = [
+      "example.com",
+      "nick!username",
+      "nick!username@example.com"
+    ]
+
+    for prefix <- prefixes,
+        do: assert(Prefix.parse(prefix) |> to_string() == prefix)
+  end
+
+  test "irc message to_string" do
+    alias Irc.Msg
+
+    msgs = [
+      ":example.com PRIVMSG #command",
+      ":example.com PRIVMSG #channel :message text"
+    ]
+
+    for msg <- msgs, do: assert(Msg.parse(msg) |> to_string() == msg)
+  end
+end

test/test_helper.exs

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+ExUnit.start()

test/util_test.exs

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+alias Omnibot.Util
+
+defmodule Omnibot.UtilTest do
+  use ExUnit.Case
+
+  test "string_empty?" do
+    assert Util.string_empty?("")
+    assert !Util.string_empty?("asdf")
+  end
+
+  test "string_or_nil" do
+    assert Util.string_or_nil("") == nil
+    assert Util.string_or_nil("asdf") == "asdf"
+  end
+end