Merge pull request #62 from instaclustr/integration_tests

Add basic integration tests

.gitignore

@@ -1,4 +1,3 @@
 /target
-*.wav
 *.flac
 .vscode/settings.json

brro-compressor/src/main.rs

@@ -194,5 +194,6 @@ fn main() {
 
     if let Err(e) = process_args(&arguments) {
         error!("{}", e);
+        std::process::exit(1);
     }
 }

brro-compressor/tests/integration_test.rs

@@ -0,0 +1,64 @@
+use tempfile::tempdir;
+
+#[test]
+fn test_noop() {
+    test_suite("noop");
+}
+
+#[test]
+fn test_constant() {
+    test_suite("constant");
+}
+
+#[test]
+fn test_fft() {
+    test_suite("fft");
+}
+
+fn test_suite(compressor: &str) {
+    compress_dir(compressor);
+    compress_file(compressor);
+}
+
+fn compress_dir(compressor: &str) {
+    let tmp_dir = tempdir().unwrap();
+    let input = tmp_dir.path().join("input");
+    let output = tmp_dir.path().join("input-compressed");
+    std::fs::create_dir(&input).unwrap();
+    std::fs::copy("tests/wavs/memory_used.wav", input.join("1.wav")).unwrap();
+    std::fs::copy("tests/wavs/uptime.wav", input.join("2.wav")).unwrap();
+
+    run_compressor(&[input.to_str().unwrap(), "--compressor", compressor]);
+    assert!(output.join("1.bro").is_file());
+    assert!(output.join("2.bro").is_file());
+}
+
+fn compress_file(compressor: &str) {
+    let tmp_dir = tempdir().unwrap();
+    let path = tmp_dir.path();
+    std::fs::copy("tests/wavs/memory_used.wav", path.join("1.wav")).unwrap();
+
+    run_compressor(&[
+        path.join("1.wav").to_str().unwrap(),
+        "--compressor",
+        compressor,
+    ]);
+    assert!(path.join("1.bro").is_file());
+}
+
+fn run_compressor(args: &[&str]) {
+    // path to binary set by cargo: https://doc.rust-lang.org/cargo/reference/environment-variables.html#environment-variables-cargo-sets-for-crates
+    let command = std::env!("CARGO_BIN_EXE_brro-compressor");
+
+    let status = std::process::Command::new(command)
+        .args(args)
+        .status()
+        .unwrap();
+
+    if !status.success() {
+        panic!(
+            "Failed to run command {} {:?}, exited with {:?}",
+            command, args, status
+        );
+    }
+}