tests: rework test_config_builders_debug

In practice this test is more noisy than useful. This commit relaxes it
to only check that the builder types/intermediate states are debug, but
not that the debug representation is a byte-for-byte match to an
expected value.

rustls/tests/api.rs

@@ -543,14 +543,11 @@ fn test_config_builders_debug() {
         }
         .into(),
     );
-    assert_eq!("ConfigBuilder<ServerConfig, _> { state: WantsVersions { provider: CryptoProvider { cipher_suites: [TLS13_CHACHA20_POLY1305_SHA256], kx_groups: [X25519], signature_verification_algorithms: WebPkiSupportedAlgorithms { all: [ .. ], mapping: [ECDSA_NISTP384_SHA384, ECDSA_NISTP256_SHA256, ED25519, RSA_PSS_SHA512, RSA_PSS_SHA384, RSA_PSS_SHA256, RSA_PKCS1_SHA512, RSA_PKCS1_SHA384, RSA_PKCS1_SHA256] }, secure_random: Ring, key_provider: Ring }, time_provider: DefaultTimeProvider } }", format!("{:?}", b));
+    let _ = format!("{:?}", b);
     let b = server_config_builder_with_versions(&[&rustls::version::TLS13]);
-    assert_eq!(
-        "ConfigBuilder<ServerConfig, _> { state: WantsVerifier { provider: CryptoProvider { cipher_suites: [TLS13_AES_256_GCM_SHA384, TLS13_AES_128_GCM_SHA256, TLS13_CHACHA20_POLY1305_SHA256, TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384, TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256, TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256, TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384, TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256, TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256], kx_groups: [X25519, secp256r1, secp384r1], signature_verification_algorithms: WebPkiSupportedAlgorithms { all: [ .. ], mapping: [ECDSA_NISTP384_SHA384, ECDSA_NISTP256_SHA256, ED25519, RSA_PSS_SHA512, RSA_PSS_SHA384, RSA_PSS_SHA256, RSA_PKCS1_SHA512, RSA_PKCS1_SHA384, RSA_PKCS1_SHA256] }, secure_random: Ring, key_provider: Ring }, versions: [TLSv1_3], time_provider: DefaultTimeProvider } }",
-        format!("{:?}", b)
-    );
+    let _ = format!("{:?}", b);
     let b = b.with_no_client_auth();
-    assert_eq!("ConfigBuilder<ServerConfig, _> { state: WantsServerCert { provider: CryptoProvider { cipher_suites: [TLS13_AES_256_GCM_SHA384, TLS13_AES_128_GCM_SHA256, TLS13_CHACHA20_POLY1305_SHA256, TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384, TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256, TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256, TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384, TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256, TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256], kx_groups: [X25519, secp256r1, secp384r1], signature_verification_algorithms: WebPkiSupportedAlgorithms { all: [ .. ], mapping: [ECDSA_NISTP384_SHA384, ECDSA_NISTP256_SHA256, ED25519, RSA_PSS_SHA512, RSA_PSS_SHA384, RSA_PSS_SHA256, RSA_PKCS1_SHA512, RSA_PKCS1_SHA384, RSA_PKCS1_SHA256] }, secure_random: Ring, key_provider: Ring }, versions: [TLSv1_3], verifier: NoClientAuth, time_provider: DefaultTimeProvider } }", format!("{:?}", b));
+    let _ = format!("{:?}", b);
 
     let b = ClientConfig::builder_with_provider(
         CryptoProvider {
@@ -560,12 +557,9 @@ fn test_config_builders_debug() {
         }
         .into(),
     );
-    assert_eq!("ConfigBuilder<ClientConfig, _> { state: WantsVersions { provider: CryptoProvider { cipher_suites: [TLS13_CHACHA20_POLY1305_SHA256], kx_groups: [X25519], signature_verification_algorithms: WebPkiSupportedAlgorithms { all: [ .. ], mapping: [ECDSA_NISTP384_SHA384, ECDSA_NISTP256_SHA256, ED25519, RSA_PSS_SHA512, RSA_PSS_SHA384, RSA_PSS_SHA256, RSA_PKCS1_SHA512, RSA_PKCS1_SHA384, RSA_PKCS1_SHA256] }, secure_random: Ring, key_provider: Ring }, time_provider: DefaultTimeProvider } }", format!("{:?}", b));
+    let _ = format!("{:?}", b);
     let b = client_config_builder_with_versions(&[&rustls::version::TLS13]);
-    assert_eq!(
-       "ConfigBuilder<ClientConfig, _> { state: WantsVerifier { provider: CryptoProvider { cipher_suites: [TLS13_AES_256_GCM_SHA384, TLS13_AES_128_GCM_SHA256, TLS13_CHACHA20_POLY1305_SHA256, TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384, TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256, TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256, TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384, TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256, TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256], kx_groups: [X25519, secp256r1, secp384r1], signature_verification_algorithms: WebPkiSupportedAlgorithms { all: [ .. ], mapping: [ECDSA_NISTP384_SHA384, ECDSA_NISTP256_SHA256, ED25519, RSA_PSS_SHA512, RSA_PSS_SHA384, RSA_PSS_SHA256, RSA_PKCS1_SHA512, RSA_PKCS1_SHA384, RSA_PKCS1_SHA256] }, secure_random: Ring, key_provider: Ring }, versions: [TLSv1_3], time_provider: DefaultTimeProvider } }",
-        format!("{:?}", b)
-    );
+    let _ = format!("{:?}", b);
 }
 
 /// Test that the server handles combination of `offer_client_auth()` returning true