From 00cd25485e254b74f8489a4a50b5c0b2ac3ef16f Mon Sep 17 00:00:00 2001
From: Martin Frost <frost@ceri.se>
Date: Thu, 21 May 2015 08:46:07 +0200
Subject: [PATCH] Added encode/decode tests for postgrex extension

---
 README.md                   | 16 ++++++++---
 test/isn/ean13_test.exs     |  0
 test/isn/extension_test.exs | 53 +++++++++++++++++++++++++++++++++++++
 test/isn/isbn13_test.exs    |  7 +++++
 test/isn/isbn_test.exs      |  0
 test/isn/ismn13_test.exs    |  0
 test/isn/ismn_test.exs      |  0
 test/isn/issn13_test.exs    |  0
 test/isn/issn_test.exs      |  0
 test/isn/upc_test.exs       |  0
 test/isn_test.exs           |  8 ------
 test/test_helper.exs        | 25 +++++++++++++++++
 12 files changed, 98 insertions(+), 11 deletions(-)
 create mode 100644 test/isn/ean13_test.exs
 create mode 100644 test/isn/extension_test.exs
 create mode 100644 test/isn/isbn13_test.exs
 create mode 100644 test/isn/isbn_test.exs
 create mode 100644 test/isn/ismn13_test.exs
 create mode 100644 test/isn/ismn_test.exs
 create mode 100644 test/isn/issn13_test.exs
 create mode 100644 test/isn/issn_test.exs
 create mode 100644 test/isn/upc_test.exs
 delete mode 100644 test/isn_test.exs

diff --git a/README.md b/README.md
index 0b9448b..6414eff 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,14 @@
-Isn
-===
+# Isn
 
-** TODO: Add description **
+Add support for the `isn` module in Postgrex/Ecto.
+
+This module adds the following ecto types:
+
+* Isn.ISBN
+* Isn.ISBN13
+* Isn.ISMN
+* Isn.ISMN13
+* Isn.ISSN
+* Isn.ISSN13
+* Isn.EAN13
+* Isn.UPC
diff --git a/test/isn/ean13_test.exs b/test/isn/ean13_test.exs
new file mode 100644
index 0000000..e69de29
diff --git a/test/isn/extension_test.exs b/test/isn/extension_test.exs
new file mode 100644
index 0000000..5fc7cd2
--- /dev/null
+++ b/test/isn/extension_test.exs
@@ -0,0 +1,53 @@
+defmodule IsnExtensionTest do
+  use ExUnit.Case, async: true
+  import Isn.TestHelper
+  alias Postgrex.Connection, as: P
+
+  setup do
+    {:ok, pid} = P.start_link(
+      database: "isn_test",
+      extensions: [{Isn.Extension, {}}])
+    {:ok, [pid: pid]}
+  end
+
+  test "encode and decode isbn", context do
+    assert [{"1-937785-58-0"}] =
+           query(context[:pid], "SELECT $1::isbn", ['1937785580'])
+  end
+
+  test "encode and decode isbn13", context do
+    assert [{"978-1-937785-58-1"}] =
+           query(context[:pid], "SELECT $1::isbn13", ['9781937785581'])
+  end
+
+  test "encode and decode ismn", context do
+    assert [{"M-060-11561-5"}] =
+           query(context[:pid], "SELECT $1::ismn", ['9790060115615'])
+  end
+
+  test "encode and decode ismn13", context do
+    assert [{"979-0-060-11561-5"}] =
+           query(context[:pid], "SELECT $1::ismn13", ['9790060115615'])
+  end
+
+  test "encode and decode issn", context do
+    assert [{"1436-4522"}] =
+           query(context[:pid], "SELECT $1::issn", ['14364522'])
+  end
+
+  test "encode and decode issn13", context do
+    assert [{"977-1436-452-00-8"}] =
+           query(context[:pid], "SELECT issn13(issn('1436-4522'))", [])
+  end
+
+  test "encode and decode ean13", context do
+    assert [{"022-035648348-1"}] =
+           query(context[:pid], "SELECT $1::ean13", ["0220356483481"])
+  end
+
+  test "encode and decode upc", context do
+    assert [{"220356483481"}] =
+           query(context[:pid], "SELECT $1::upc", ["220356483481"])
+  end
+end
+
diff --git a/test/isn/isbn13_test.exs b/test/isn/isbn13_test.exs
new file mode 100644
index 0000000..753965a
--- /dev/null
+++ b/test/isn/isbn13_test.exs
@@ -0,0 +1,7 @@
+defmodule Isn.ISBN13Test do
+  use ExUnit.Case
+
+  # dump
+  # cast
+  # load
+end
diff --git a/test/isn/isbn_test.exs b/test/isn/isbn_test.exs
new file mode 100644
index 0000000..e69de29
diff --git a/test/isn/ismn13_test.exs b/test/isn/ismn13_test.exs
new file mode 100644
index 0000000..e69de29
diff --git a/test/isn/ismn_test.exs b/test/isn/ismn_test.exs
new file mode 100644
index 0000000..e69de29
diff --git a/test/isn/issn13_test.exs b/test/isn/issn13_test.exs
new file mode 100644
index 0000000..e69de29
diff --git a/test/isn/issn_test.exs b/test/isn/issn_test.exs
new file mode 100644
index 0000000..e69de29
diff --git a/test/isn/upc_test.exs b/test/isn/upc_test.exs
new file mode 100644
index 0000000..e69de29
diff --git a/test/isn_test.exs b/test/isn_test.exs
deleted file mode 100644
index ad58314..0000000
--- a/test/isn_test.exs
+++ /dev/null
@@ -1,8 +0,0 @@
-defmodule IsnTest do
-  use ExUnit.Case
-  doctest Isn
-
-  test "the truth" do
-    assert 1 + 1 == 2
-  end
-end
diff --git a/test/test_helper.exs b/test/test_helper.exs
index 869559e..1a1a2fc 100644
--- a/test/test_helper.exs
+++ b/test/test_helper.exs
@@ -1 +1,26 @@
 ExUnit.start()
+
+{:ok, pid} = Postgrex.Connection.start_link(
+  hostname: "localhost",
+  database: "postgres"
+)
+
+Postgrex.Connection.query!(pid, "DROP DATABASE IF EXISTS isn_test;", [])
+Postgrex.Connection.query!(pid, "CREATE DATABASE isn_test;", [])
+{:ok, pid} = Postgrex.Connection.start_link(
+  hostname: "localhost",
+  database: "isn_test"
+)
+Postgrex.Connection.query!(pid, "CREATE EXTENSION isn;", [])
+
+defmodule Isn.TestHelper do
+  defmacro query(pid, statement, params) do
+    quote bind_quoted: [pid: pid, statement: statement, params: params] do
+      case Postgrex.Connection.query(pid, statement, params, []) do
+        {:ok, %Postgrex.Result{rows: nil}} -> :ok
+        {:ok, %Postgrex.Result{rows: rows}} -> rows
+        {:error, %Postgrex.Error{} = err} -> err
+      end
+    end
+  end
+end