start adding basic integration tests (#3)

Add some simple integration tests for lockstep APIs (mostly generated by
Claude and cleaned up by me).

In the future, we'll add integration tests for versioned APIs as well.

Author: sunshowers

Cargo.lock

@@ -19,6 +19,9 @@ anyhow = "1.0.99"
 assert_matches = "1.5.0"
 atomicwrites = "0.4.4"
 camino = "1.2.0"
+camino-tempfile = "1.4.1"
+camino-tempfile-ext = "0.3.3"
+chrono = { version = "0.4.38", features = ["serde"] }
 clap = "4.5"
 debug-ignore = "1.0.5"
 drift = "0.1.0"

Cargo.toml

@@ -402,7 +402,7 @@ pub fn display_resolution(
 /// The result of a check operation.
 ///
 /// Returned by the `check_apis_up_to_date` function.
-#[derive(Clone, Copy, Debug)]
+#[derive(Clone, Copy, Debug, Eq, PartialEq)]
 pub enum CheckResult {
     /// The APIs are up-to-date.
     Success,

crates/dropshot-api-manager/src/output.rs

@@ -0,0 +1,27 @@
+[package]
+name = "integration-tests"
+version = "0.1.0"
+edition.workspace = true
+license.workspace = true
+repository.workspace = true
+rust-version.workspace = true
+publish = false
+
+[dependencies]
+anyhow.workspace = true
+camino.workspace = true
+camino-tempfile.workspace = true
+camino-tempfile-ext.workspace = true
+chrono.workspace = true
+clap.workspace = true
+dropshot.workspace = true
+dropshot-api-manager.workspace = true
+dropshot-api-manager-types.workspace = true
+openapiv3.workspace = true
+schemars = { workspace = true, features = ["chrono"] }
+semver.workspace = true
+serde.workspace = true
+serde_json.workspace = true
+
+[dev-dependencies]
+assert_matches.workspace = true