add assert_cmd to test binaries

Cargo.lock

@@ -150,6 +150,22 @@ dependencies = [
  "windows-sys 0.52.0",
 ]
 
+[[package]]
+name = "assert_cmd"
+version = "2.0.16"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dc1835b7f27878de8525dc71410b5a31cdcc5f230aed5ba5df968e09c201b23d"
+dependencies = [
+ "anstyle",
+ "bstr",
+ "doc-comment",
+ "libc",
+ "predicates",
+ "predicates-core",
+ "predicates-tree",
+ "wait-timeout",
+]
+
 [[package]]
 name = "async-trait"
 version = "0.1.82"
@@ -272,6 +288,17 @@ dependencies = [
  "cipher",
 ]
 
+[[package]]
+name = "bstr"
+version = "1.12.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "234113d19d0d7d613b40e86fb654acf958910802bcceab913a4f9e7cda03b1a4"
+dependencies = [
+ "memchr",
+ "regex-automata",
+ "serde",
+]
+
 [[package]]
 name = "bumpalo"
 version = "3.16.0"
@@ -697,6 +724,12 @@ version = "0.1.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "56254986775e3233ffa9c4d7d3faaf6d36a2c09d30b20687e9f88bc8bafc16c8"
 
+[[package]]
+name = "difflib"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6184e33543162437515c2e2b48714794e37845ec9851711914eec9d308f6ebe8"
+
 [[package]]
 name = "digest"
 version = "0.10.7"
@@ -720,6 +753,12 @@ dependencies = [
  "syn",
 ]
 
+[[package]]
+name = "doc-comment"
+version = "0.3.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fea41bba32d969b513997752735605054bc0dfa92b4c56bf1189f2e174be7a10"
+
 [[package]]
 name = "ecdsa"
 version = "0.16.9"
@@ -842,6 +881,7 @@ version = "0.0.0"
 name = "example-cli"
 version = "0.1.0"
 dependencies = [
+ "assert_cmd",
  "cidr",
  "env_logger",
  "harmony",
@@ -2482,6 +2522,33 @@ dependencies = [
  "zerocopy",
 ]
 
+[[package]]
+name = "predicates"
+version = "3.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a5d19ee57562043d37e82899fade9a22ebab7be9cef5026b07fda9cdd4293573"
+dependencies = [
+ "anstyle",
+ "difflib",
+ "predicates-core",
+]
+
+[[package]]
+name = "predicates-core"
+version = "1.0.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "727e462b119fe9c93fd0eb1429a5f7647394014cf3c04ab2c0350eeb09095ffa"
+
+[[package]]
+name = "predicates-tree"
+version = "1.0.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "72dd2d6d381dfb73a193c7fca536518d7caee39fc8503f74e7dc0be0531b425c"
+dependencies = [
+ "predicates-core",
+ "termtree",
+]
+
 [[package]]
 name = "pretty_assertions"
 version = "1.4.1"
@@ -3426,6 +3493,12 @@ dependencies = [
  "windows-sys 0.59.0",
 ]
 
+[[package]]
+name = "termtree"
+version = "0.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8f50febec83f5ee1df3015341d8bd429f2d1cc62bcba7ea2076759d315084683"
+
 [[package]]
 name = "thiserror"
 version = "1.0.63"
@@ -3826,6 +3899,15 @@ version = "0.9.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0b928f33d975fc6ad9f86c8f283853ad26bdd5b10b7f1542aa2fa15e2289105a"
 
+[[package]]
+name = "wait-timeout"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "09ac3b126d3914f9849036f826e054cbabdc8519970b8998ddaf3b5bd3c65f11"
+dependencies = [
+ "libc",
+]
+
 [[package]]
 name = "want"
 version = "0.3.1"

examples/cli/Cargo.toml

@@ -16,3 +16,4 @@ harmony_macros = { path = "../../harmony_macros" }
 log = { workspace = true }
 env_logger = { workspace = true }
 url = { workspace = true }
+assert_cmd = "2.0.16"

examples/cli/src/main.rs

@@ -18,3 +18,13 @@ async fn main() {
     ]);
     harmony_cli::init(maestro).await.unwrap();
 }
+
+use assert_cmd::Command;
+
+#[test]
+fn test_example() {
+    let mut cmd = Command::cargo_bin("example-cli").unwrap();
+    let assert = cmd.arg("--run").arg("SuccessScore").assert();
+
+    assert.success();
+}