mouredev#16 - elixir

Author: boterop

Roadmap/16 - EXPRESIONES REGULARES/elixir/boterop.ex

@@ -0,0 +1,117 @@
+defmodule Boterop.Regex do
+  @spec get_numbers(text :: String.t()) :: list(String.t()) | nil
+  def get_numbers(text), do: Regex.scan(~r/\d+/, text)
+
+  @spec is_a_valid_email?(email :: String.t()) :: boolean()
+  def is_a_valid_email?(email),
+    do: Regex.match?(~r/[A-Za-z0-9._%+-]+@[A-Za-z0-9.-]+\.[A-Za-z]{2,}/, email)
+
+  @spec is_a_valid_phone_number?(phone_number :: String.t()) :: boolean()
+  def is_a_valid_phone_number?(phone_number),
+    do:
+      Regex.match?(~r/^\+?\d{1,3}[-.\s]?\(?\d{1,4}\)?[-.\s]?\d{1,4}[-.\s]?\d{1,4}$/, phone_number)
+
+  @spec is_a_valid_url?(url :: String.t()) :: boolean()
+  def is_a_valid_url?(url),
+    do: Regex.match?(~r/https?:\/\/[^\s\/$.?#]+\.(?:[a-z]{2,})+(?:\/[^\s$.?#]+)*/, url)
+end
+
+ExUnit.start()
+
+defmodule Boterop.RegexTest do
+  use ExUnit.Case
+
+  test "get numbers from text" do
+    expected_result = "00100505"
+
+    "S0l0 qu1er0 l05 numer05"
+    |> Boterop.Regex.get_numbers()
+    |> Enum.join()
+    |> Kernel.==(expected_result)
+    |> assert
+  end
+
+  describe "validating email" do
+    test "with a valid email" do
+      "mail@domain.com"
+      |> Boterop.Regex.is_a_valid_email?()
+      |> assert
+    end
+
+    test "with an invalid tld" do
+      "mail@domain.c"
+      |> Boterop.Regex.is_a_valid_email?()
+      |> refute
+    end
+
+    test "with an invalid structure" do
+      "mail.domain@com"
+      |> Boterop.Regex.is_a_valid_email?()
+      |> refute
+    end
+  end
+
+  describe "validating phone number" do
+    test "with a valid country code" do
+      "+573015201917"
+      |> Boterop.Regex.is_a_valid_phone_number?()
+      |> assert
+    end
+
+    test "with a valid separator" do
+      "301 520 3261"
+      |> Boterop.Regex.is_a_valid_phone_number?()
+      |> assert
+    end
+
+    test "with an invalid number" do
+      "911"
+      |> Boterop.Regex.is_a_valid_phone_number?()
+      |> refute
+    end
+
+    test "with an invalid character" do
+      "+5730i5203261"
+      |> Boterop.Regex.is_a_valid_phone_number?()
+      |> refute
+    end
+  end
+
+  describe "validating url" do
+    test "with a valid url" do
+      "http://www.boterop.io"
+      |> Boterop.Regex.is_a_valid_url?()
+      |> assert
+    end
+
+    test "without subdomain" do
+      "http://boterop.io"
+      |> Boterop.Regex.is_a_valid_url?()
+      |> assert
+    end
+
+    test "with a valid https protocol" do
+      "https://www.boterop.io"
+      |> Boterop.Regex.is_a_valid_url?()
+      |> assert
+    end
+
+    test "with an invalid protocol" do
+      "invalid://www.boterop.io"
+      |> Boterop.Regex.is_a_valid_url?()
+      |> refute
+    end
+
+    test "with an invalid domain" do
+      "https://boterop"
+      |> Boterop.Regex.is_a_valid_url?()
+      |> refute
+    end
+
+    test "with an invalid tdl" do
+      "https://boterop.1"
+      |> Boterop.Regex.is_a_valid_url?()
+      |> refute
+    end
+  end
+end