Merge pull request #9 from openSUSE/e2e-test

End to end testing using assert_cmd

Cargo.toml

@@ -10,3 +10,7 @@ anyhow = "1.0.95"
 flate2 = "1.0.35"
 tar = "0.4.43"
 zstd = "0.13.2"
+
+[dev-dependencies]
+assert_cmd = "2.0.16"
+predicates = "3.1.3"

src/mix.rs

@@ -18,14 +18,14 @@ mod tests {
 
     #[test]
     fn fetch_mix_deps_successful() {
-        let result = fetch_mix_deps("test/test_project");
-        fs::remove_dir_all("test/test_project/deps").unwrap();
+        let result = fetch_mix_deps("tests/test_project");
+        fs::remove_dir_all("tests/test_project/deps").unwrap();
         assert!(result.is_ok());
     }
 
     #[test]
     fn fetch_mix_deps_error() {
-        let result = fetch_mix_deps("test/carbonara");
+        let result = fetch_mix_deps("tests/carbonara");
         assert!(result.is_err());
     }
 }

src/tarballs.rs

@@ -32,14 +32,14 @@ mod tests {
 
     #[test]
     fn recompress_successful() {
-        let result = recompress("vendor.tar.gz", "test/test_compression", "gz");
+        let result = recompress("vendor.tar.gz", "tests/test_compression", "gz");
         fs::remove_file("vendor.tar.gz").unwrap();
         assert!(result.is_ok());
     }
 
     #[test]
     fn recompress_error() {
-        let result = recompress("vendor2.tar.gz", "test/carbonara", "gz");
+        let result = recompress("vendor2.tar.gz", "tests/carbonara", "gz");
         fs::remove_file("vendor2.tar.gz").unwrap();
         assert!(result.is_err());
     }

tests/cli.rs

@@ -0,0 +1,14 @@
+use assert_cmd::prelude::*;
+use predicates::prelude::*;
+use std::process::Command;
+
+#[test]
+fn prints_help() -> Result<(), Box<dyn std::error::Error>> {
+    let mut cmd = Command::cargo_bin("obs-service-elixir_mix_deps")?;
+
+    cmd.assert()
+        .failure()
+        .stderr(predicate::str::contains("Usage"));
+
+    Ok(())
+}