4 files changed, 134 insertions, 0 deletions
diff --git a/test/exdatadog/client_test.exs b/test/exdatadog/client_test.exs
new file mode 100644
index 0000000..dc63c1b
--- /dev/null
+++ b/test/exdatadog/client_test.exs
@@ -0,0 +1,39 @@
+defmodule Exdatadog.Client.Test do
+  @moduledoc """
+  Provides Tests for the Exdatadog.Client module
+  """
+  use ExUnit.Case, async: false
+
+  @endpoint "https://app.datadoghq.com/"
+
+  alias Exdatadog.Client
+
+  test "can create new client" do
+    expected = %Client{endpoint: @endpoint, auth: %{api_key: "1234",
+                                                    app_key: "abcd"}}
+    assert Client.new() == expected
+  end
+
+  test "can create new client with api auth" do
+    actual = Client.new(%{api_key: "1234"})
+    assert actual == %Client{endpoint: @endpoint, auth: %{api_key: "1234"}}
+  end
+
+  test "can create new client with api and app auth" do
+    actual = Client.new(%{api_key: "1234", app_key: "abcd"})
+    assert actual == %Client{endpoint: @endpoint, auth: %{api_key: "1234",
+                                                          app_key: "abcd"}}
+  end
+
+  test "can create new client with auth and custom endpoint" do
+    actual = Client.new(%{api_key: "1234"}, "https://test.datadoghq.com/")
+    assert actual == %Client{endpoint: "https://test.datadoghq.com/",
+                             auth: %{api_key: "1234"}}
+  end
+
+  test "trailing / appended to endpoint without" do
+    actual = Client.new(nil, "https://test.datadoghq.com")
+    assert actual == %Client{endpoint: "https://test.datadoghq.com/", auth: nil}
+  end
+
+end
diff --git a/test/exdatadog/config_test.exs b/test/exdatadog/config_test.exs
new file mode 100644
index 0000000..2be0c38
--- /dev/null
+++ b/test/exdatadog/config_test.exs
@@ -0,0 +1,30 @@
+defmodule Exdatadog.Config.Test do
+  @moduledoc """
+  Provides tests for Exdatadog.Config
+  """
+  use ExUnit.Case
+
+  import Exdatadog.Config
+
+  setup_all do
+    System.put_env("TEST_VAR", "BAR")
+    Application.put_env(:test_app, :test_key, {:system, "TEST_VAR"})
+    Application.put_env(:test_app, :test_foo, "FOO")
+
+    on_exit fn ->
+      System.delete_env("TEST_VAR")
+      Application.delete_env(:test_app, :test_key)
+      Application.delete_env(:test_app, :test_foo)
+    end
+
+  end
+
+  test "can read variable from application settings" do
+    assert get_env_var(:test_app, :test_foo) == "FOO"
+  end
+
+  test "can read environment variables for settings" do
+    assert get_env_var(:test_app, :test_key) == "BAR"
+  end
+
+end
diff --git a/test/exdatadog_test.exs b/test/exdatadog_test.exs
new file mode 100644
index 0000000..5e752ab
--- /dev/null
+++ b/test/exdatadog_test.exs
@@ -0,0 +1,64 @@
+defmodule ExdatadogTest do
+  @moduledoc """
+  Provides tests for the Exdatadog module
+  """
+  use ExUnit.Case
+
+  alias HTTPoison.Response
+  import Exdatadog
+
+  doctest Exdatadog
+
+  setup_all do
+    :meck.new(Poison, [:no_link])
+
+    on_exit fn ->
+      :meck.unload(Poison)
+    end
+  end
+
+  test "auth_params using api_key" do
+    assert auth_params(%{api_key: "1234"}) == [api_key: "1234"]
+  end
+
+  test "auth_params using api_key and app_key" do
+    expected = [application_key: "abcd", api_key: "1234"]
+    assert auth_params(%{api_key: "1234", app_key: "abcd"}) == expected
+  end
+
+  test "auth_params with no auth" do
+    assert auth_params(%{}) == []
+    assert auth_params(nil) == []
+  end
+
+  test "process_response with 200" do
+    assert process_response(%Response{status_code: 200,
+                                      headers: %{},
+                                      body: "json"}) == {200, "json"}
+    assert :meck.validate(Poison)
+  end
+
+  test "process_response with non-200" do
+    assert process_response(%Response{status_code: 404,
+                                      headers: %{},
+                                      body: "json"}) == {404, "json"}
+
+    assert :meck.validate(Poison)
+  end
+
+  test "process_resposne_body with nil body" do
+    assert process_response_body("") == nil
+  end
+
+  test "process_response_body with content" do
+    :meck.expect(Poison, :decode!, 1, :decoded_json)
+    assert process_response_body("json") == :decoded_json
+  end
+
+  test "process_response with empty body" do
+    assert process_response(%Response{status_code: 202,
+                                      headers: %{},
+                                      body: nil}) == {202, nil}
+  end
+
+end
diff --git a/test/test_helper.exs b/test/test_helper.exs
new file mode 100644
index 0000000..869559e
--- /dev/null
+++ b/test/test_helper.exs
@@ -0,0 +1 @@
+ExUnit.start()