chore: use mod attr

test/tesla_test.exs

@@ -5,6 +5,7 @@ defmodule TeslaTest do
   require Tesla
 
   @url "http://localhost:#{Application.compile_env(:httparrot, :http_port)}"
+  @api_url "http://api.example.com"
 
   describe "Adapters" do
     defmodule ModuleAdapter do
@@ -280,38 +281,38 @@ defmodule TeslaTest do
   end
 
   describe "build_url/2" do
-    setup do
-      {:ok, url: "http://api.example.com"}
-    end
-
-    test "returns URL with query params from keyword list", %{url: url} do
+    test "returns URL with query params from keyword list" do
       query_params = [user: 3, page: 2]
-      assert build_url(url, query_params) === url <> "?user=3&page=2"
+      assert build_url(@api_url, query_params) == @api_url <> "?user=3&page=2"
     end
 
-    test "returns URL with query params from nested keyword list", %{url: url} do
+    test "returns URL with query params from nested keyword list" do
       query_params = [nested: [more_nested: [argument: 1]]]
-      assert build_url(url, query_params) === url <> "?nested%5Bmore_nested%5D%5Bargument%5D=1"
+
+      assert build_url(@api_url, query_params) ==
+               @api_url <> "?nested%5Bmore_nested%5D%5Bargument%5D=1"
     end
 
-    test "returns URL with query params from tuple list", %{url: url} do
+    test "returns URL with query params from tuple list" do
       query_params = [{"user", 3}, {"page", 2}]
-      assert build_url(url, query_params) === url <> "?user=3&page=2"
+      assert build_url(@api_url, query_params) == @api_url <> "?user=3&page=2"
     end
 
-    test "returns URL with query params from nested tuple list", %{url: url} do
+    test "returns URL with query params from nested tuple list" do
       query_params = [{"nested", [{"more_nested", [{"argument", 1}]}]}]
-      assert build_url(url, query_params) === url <> "?nested%5Bmore_nested%5D%5Bargument%5D=1"
+
+      assert build_url(@api_url, query_params) ==
+               @api_url <> "?nested%5Bmore_nested%5D%5Bargument%5D=1"
     end
 
-    test "returns URL with new query params concated from keyword list", %{url: url} do
-      url_with_param = url <> "?user=4"
+    test "returns URL with new query params concated from keyword list" do
+      url_with_param = @api_url <> "?user=4"
       query_params = [page: 2, status: true]
-      assert build_url(url_with_param, query_params) === url <> "?user=4&page=2&status=true"
+      assert build_url(url_with_param, query_params) == @api_url <> "?user=4&page=2&status=true"
     end
 
-    test "returns normal URL when query list is empty", %{url: url} do
-      assert build_url(url, []) == url
+    test "returns normal URL when query list is empty" do
+      assert build_url(@api_url, []) == @api_url
     end
 
     test "returns error when passing wrong params" do
@@ -325,24 +326,27 @@ defmodule TeslaTest do
   end
 
   describe "build_url/3" do
-    setup do
-      {:ok, url: "http://api.example.com"}
+    test "encoding www_form" do
+      query_params = [name: "foo bar", page: 2]
+      assert build_url(@api_url, query_params, :www_form) == @api_url <> "?name=foo+bar&page=2"
+      assert build_url(@api_url, query_params, :www_form) == build_url(@api_url, query_params)
     end
 
-    test "encoding www_form", %{url: url} do
+    test "encoding rfc3986" do
       query_params = [name: "foo bar", page: 2]
-      assert build_url(url, query_params, :www_form) === url <> "?name=foo+bar&page=2"
-      assert build_url(url, query_params, :www_form) === build_url(url, query_params)
+      assert build_url(@api_url, query_params, :rfc3986) == @api_url <> "?name=foo%20bar&page=2"
     end
 
-    test "encoding rfc3986", %{url: url} do
+    test "default encoding www_form" do
       query_params = [name: "foo bar", page: 2]
-      assert build_url(url, query_params, :rfc3986) === url <> "?name=foo%20bar&page=2"
+      assert build_url(@api_url, query_params, :www_form) == build_url(@api_url, query_params)
     end
+  end
 
-    test "default encoding www_form", %{url: url} do
-      query_params = [name: "foo bar", page: 2]
-      assert build_url(url, query_params, :www_form) === build_url(url, query_params)
+  describe "build_url/1" do
+    test "returns URL with query params from Tesla.Env struct" do
+      env = %Tesla.Env{url: @api_url, query: [user: 3, page: 2]}
+      assert Tesla.build_url(env) == @api_url <> "?user=3&page=2"
     end
   end
 end