Add auth_uri integration tests

tests/client.rs

@@ -0,0 +1,50 @@
+extern crate hyper;
+extern crate inth_oauth2;
+
+use inth_oauth2::Client;
+use inth_oauth2::provider::*;
+
+fn assert_get_uri_ok(uri: &str) {
+    let client = hyper::Client::new();
+    let response = client.get(uri).send().unwrap();
+    assert_eq!(hyper::Ok, response.status);
+}
+
+#[test]
+fn google_auth_uri_ok() {
+    let client = Client::<Google>::new(
+        Default::default(),
+        "143225766783-ip2d9qv6sdr37276t77luk6f7bhd6bj5.apps.googleusercontent.com",
+        "",
+        Some("urn:ietf:wg:oauth:2.0:oob")
+    );
+    let auth_uri = client.auth_uri(
+        Some("https://www.googleapis.com/auth/userinfo.email"),
+        Some("state")
+    ).unwrap();
+    assert_get_uri_ok(&auth_uri);
+}
+
+#[test]
+fn github_auth_uri_ok() {
+    let client = Client::<GitHub>::new(
+        Default::default(),
+        "01774654cd9a6051e478",
+        "",
+        Some("https://cmcenroe.me/oauth2-paste/")
+    );
+    let auth_uri = client.auth_uri(Some("user"), Some("state")).unwrap();
+    assert_get_uri_ok(&auth_uri);
+}
+
+#[test]
+fn imgur_auth_uri_ok() {
+    let client = Client::<Imgur>::new(
+        Default::default(),
+        "505c8ca804230e0",
+        "",
+        Some("https://cmcenroe.me/oauth2-paste/")
+    );
+    let auth_uri = client.auth_uri(None, Some("state")).unwrap();
+    assert_get_uri_ok(&auth_uri);
+}