Merge pull request #15 from ChristophWurst/test/config-integration-tests

Config integration tests

.vscode/tasks.json

@@ -43,4 +43,4 @@
             ]
         }
     ]
-}
+}

Cargo.toml

@@ -25,3 +25,7 @@ openssl = "0.9"
 pathdiff = "0.1.0"
 walkdir = "2.0.1"
 xdg = "2.1.0"
+
+[dev-dependencies]
+fs_extra = "1.0.0"
+tempdir = "0.3"

src/config/app.rs

@@ -92,7 +92,7 @@ pub fn init_config(app_path: &Path) -> Result<(), error::Error> {
         ));
     }
 
-    let mut config_file = File::create(path_buf)?;
+    let mut config_file = File::create(&path_buf)?;
 
     config_file.write_all(
         r#"[packaging]
@@ -132,8 +132,64 @@ pub fn get_config(path: &Path) -> Result<AppConfig, error::Error> {
 
 #[cfg(test)]
 mod tests {
+    use std::fs::File;
+    use std::path::PathBuf;
+
+    use fs_extra::dir::{copy, CopyOptions};
+    use tempdir::TempDir;
+
     use super::*;
 
+    fn prepare_fs_test(id: &'static str) -> (PathBuf, TempDir) {
+        let mut src = PathBuf::from("./tests/apps");
+        src.push(id);
+
+        let tmp = TempDir::new("krankerl").unwrap();
+        let options = CopyOptions::new();
+        copy(&src, tmp.path(), &options).expect("copy app files");
+
+        let mut app_path = tmp.path().to_path_buf();
+        app_path.push(id);
+        (app_path, tmp)
+    }
+
+    #[test]
+    fn test_init_creates_config() {
+        let (app_path, tmp) = prepare_fs_test("app1");
+
+        let mut krankl_path = app_path.clone();
+        krankl_path.push("krankerl.toml");
+        File::open(&krankl_path).unwrap_err();
+
+        init_config(&app_path).unwrap();
+
+        File::open(&krankl_path).unwrap();
+        tmp.close().unwrap();
+    }
+
+    #[test]
+    fn test_init_stops_if_config_exists() {
+        let (app_path, tmp) = prepare_fs_test("app2");
+
+        let mut krankl_path = app_path.clone();
+        krankl_path.push("krankerl.toml");
+        File::open(&krankl_path).unwrap();
+
+        init_config(&app_path).unwrap_err();
+
+        File::open(&krankl_path).unwrap();
+        tmp.close().unwrap();
+    }
+
+    #[test]
+    fn test_load_config() {
+        let (app_path, tmp) = prepare_fs_test("app3");
+
+        load_config(&app_path).unwrap();
+
+        tmp.close().unwrap();
+    }
+
     #[test]
     fn test_parse_empty_config() {
         let toml = r#""#;

src/config/krankerl.rs

@@ -4,7 +4,7 @@ use std::fs::OpenOptions;
 use std::io::prelude::*;
 use xdg;
 
-use super::super::error;
+use error;
 
 #[derive(Debug, Deserialize, Serialize)]
 pub struct Config {

src/config/mod.rs

@@ -1,2 +1,2 @@
 pub mod app;
-pub mod krankerl;
+pub mod krankerl;

src/lib.rs

@@ -1,5 +1,7 @@
 extern crate base64;
 extern crate flate2;
+#[cfg(test)]
+extern crate fs_extra;
 extern crate futures;
 extern crate futures_cpupool;
 extern crate globset;
@@ -13,6 +15,8 @@ extern crate pathdiff;
 extern crate serde_derive;
 extern crate serde_json;
 extern crate tar;
+#[cfg(test)]
+extern crate tempdir;
 extern crate tokio_core;
 extern crate toml;
 extern crate walkdir;