feat(test): add e2e test infrastructure with thirtyfour

Add thirtyfour WebDriver client as dev-dependency, feature-gated behind
--features e2e so normal cargo test is unaffected. Add chromedriver and
chromium to the nix devShell.

Cargo.lock

@@ -101,6 +101,15 @@ version = "1.0.101"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5f0e0fee31ef5ed1ba1316088939cea399010ed7731dba877ed44aeb407a75ea"
 
+[[package]]
+name = "arc-swap"
+version = "1.8.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9ded5f9a03ac8f24d1b8a25101ee812cd32cdc8c50a4c50237de2c4915850e73"
+dependencies = [
+ "rustversion",
+]
+
 [[package]]
 name = "askama"
 version = "0.15.4"
@@ -419,6 +428,7 @@ dependencies = [
  "slug",
  "sqlx",
  "tempfile",
+ "thirtyfour",
  "thiserror 1.0.69",
  "tokio",
  "tower",
@@ -557,6 +567,26 @@ version = "0.9.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c2459377285ad874054d797f3ccebf984978aa39129f6eafde5cdc8315b612f8"
 
+[[package]]
+name = "const_format"
+version = "0.2.35"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7faa7469a93a566e9ccc1c73fe783b4a65c274c5ace346038dca9c39fe0030ad"
+dependencies = [
+ "const_format_proc_macros",
+]
+
+[[package]]
+name = "const_format_proc_macros"
+version = "0.2.34"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1d57c2eccfb16dbac1f4e61e206105db5820c9d26c3c472bc17c774259ef7744"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "unicode-xid",
+]
+
 [[package]]
 name = "cookie"
 version = "0.18.1"
@@ -780,7 +810,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "39cab71617ae0d63f51a36d69f866391735b51691dbda63cf6f96d042b63efeb"
 dependencies = [
  "libc",
- "windows-sys 0.52.0",
+ "windows-sys 0.61.2",
 ]
 
 [[package]]
@@ -1943,7 +1973,7 @@ dependencies = [
  "once_cell",
  "socket2",
  "tracing",
- "windows-sys 0.52.0",
+ "windows-sys 0.60.2",
 ]
 
 [[package]]
@@ -2168,7 +2198,7 @@ dependencies = [
  "errno",
  "libc",
  "linux-raw-sys",
- "windows-sys 0.52.0",
+ "windows-sys 0.61.2",
 ]
 
 [[package]]
@@ -2320,6 +2350,7 @@ version = "1.0.149"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "83fc039473c5595ace860d8c4fafa220ff474b3fc6bfdb4293327f1a37e94d86"
 dependencies = [
+ "indexmap",
  "itoa",
  "memchr",
  "serde",
@@ -2338,6 +2369,17 @@ dependencies = [
  "serde_core",
 ]
 
+[[package]]
+name = "serde_repr"
+version = "0.1.20"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "175ee3e80ae9982737ca543e96133087cbd9a485eecc3bc4de9c1a37b47ea59c"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.114",
+]
+
 [[package]]
 name = "serde_urlencoded"
 version = "0.7.1"
@@ -2681,6 +2723,15 @@ version = "1.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6ce2be8dc25455e1f91df71bfa12ad37d7af1092ae736f3a6cd0e37bc7810596"
 
+[[package]]
+name = "stringmatch"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6aadc0801d92f0cdc26127c67c4b8766284f52a5ba22894f285e3101fa57d05d"
+dependencies = [
+ "regex",
+]
+
 [[package]]
 name = "stringprep"
 version = "0.1.5"
@@ -2756,7 +2807,46 @@ dependencies = [
  "getrandom 0.3.4",
  "once_cell",
  "rustix",
- "windows-sys 0.52.0",
+ "windows-sys 0.61.2",
+]
+
+[[package]]
+name = "thirtyfour"
+version = "0.36.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "48f1edfb88bbdf0365c6dc161e8694ce8414c0b79d0d3a3663b4baac62236be0"
+dependencies = [
+ "arc-swap",
+ "async-trait",
+ "base64 0.22.1",
+ "bytes",
+ "cfg-if",
+ "const_format",
+ "futures-util",
+ "http",
+ "indexmap",
+ "paste",
+ "reqwest",
+ "serde",
+ "serde_json",
+ "serde_repr",
+ "stringmatch",
+ "thirtyfour-macros",
+ "thiserror 2.0.18",
+ "tokio",
+ "tracing",
+ "url",
+]
+
+[[package]]
+name = "thirtyfour-macros"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5cf0ffc3ba4368e99597bd6afd83f4ff6febad66d9ae541ab46e697d32285fc0"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.114",
 ]
 
 [[package]]
@@ -3114,6 +3204,12 @@ version = "1.12.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f6ccf251212114b54433ec949fd6a7841275f9ada20dddd2f29e9ceea4501493"
 
+[[package]]
+name = "unicode-xid"
+version = "0.2.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ebc1c04c71510c7f702b52b7c350734c9ff1295c464a03335b00bb84fc54f853"
+
 [[package]]
 name = "unicode_categories"
 version = "0.1.1"

Cargo.toml

@@ -40,6 +40,9 @@ uuid = { version = "1", features = ["v4"] }
 webauthn-rs = { version = "0.5", features = ["danger-allow-state-serialisation"] }
 webauthn-rs-proto = "0.5"
 
+[features]
+e2e = []
+
 [dev-dependencies]
 portpicker = "0.1"
 reqwest = { version = "0.12", default-features = false, features = ["blocking", "cookies", "rustls-tls"] }
@@ -48,6 +51,7 @@ once_cell = "1.19"
 webauthn-authenticator-rs = { version = "0.5", features = ["softpasskey"] }
 wiremock = "0.6"
 paste = "1.0.15"
+thirtyfour = "0.36"
 
 [[test]]
 name = "cli"
@@ -67,6 +71,12 @@ name = "server"
 path = "tests/server/main.rs"
 harness = true
 
+[[test]]
+name = "e2e"
+path = "tests/e2e/main.rs"
+harness = true
+required-features = ["e2e"]
+
 [lints.clippy]
 # Enable pedantic lints with lower priority so individual allows take precedence
 pedantic = { level = "warn", priority = -1 }

flake.nix

@@ -137,6 +137,8 @@
               ]
               ++ (with pkgs; [
                 cargo-watch
+                chromedriver
+                chromium
                 clang
                 flyctl
                 lld