69 lines
2.2 KiB
Elixir
69 lines
2.2 KiB
Elixir
defmodule BirdyChatWeb.Api.MessagesTest do
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use BirdyChatWeb.ConnCase
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setup %{conn: conn} do
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url = ~p"/api/messages"
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path = Application.app_dir(:birdy_chat, ["priv", "messages", "test-user.txt"])
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on_exit(fn -> File.rm(path) end)
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conn =
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conn
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|> put_req_header("content-type", "application/json")
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%{conn: conn, url: url}
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end
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describe "POST /api/messages" do
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test "returns errors for invalid message", %{conn: conn, url: url} do
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payload = Jason.encode!(%{})
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conn = post(conn, url, payload)
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assert result = json_response(conn, :unprocessable_entity)
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expected_result = %{
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"errors" => %{
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"from" => ["can't be blank"],
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"message" => ["can't be blank"],
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"to" => ["can't be blank"]
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}
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}
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assert result == expected_result
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end
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test "returns message and 201 when successful", %{conn: conn, url: url} do
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message = %{"from" => "2-user", "to" => "1-user", "message" => "123"}
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payload = Jason.encode!(message)
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conn = post(conn, url, payload)
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assert result = json_response(conn, :created)
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assert result == message
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end
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test "writes message to file", %{conn: conn, url: url} do
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message = %{"from" => "2-user", "to" => "test-user", "message" => "123"}
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payload = Jason.encode!(message)
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conn = post(conn, url, payload)
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assert result = json_response(conn, :created)
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assert result == message
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path = Application.app_dir(:birdy_chat, ["priv", "messages", "test-user.txt"])
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contents = File.read!(path)
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assert contents == "2-user: 123\n"
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end
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test "appends message to file", %{conn: conn, url: url} do
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message = %{"from" => "2-user", "to" => "test-user", "message" => "123"}
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payload = Jason.encode!(message)
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post(conn, url, payload)
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message = %{"from" => "2-user", "to" => "test-user", "message" => "456"}
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payload = Jason.encode!(message)
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conn = post(conn, url, payload)
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assert json_response(conn, :created)
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path = Application.app_dir(:birdy_chat, ["priv", "messages", "test-user.txt"])
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contents = File.read!(path)
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assert contents == "2-user: 123\n2-user: 456\n"
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end
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end
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end
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