Use inmemory file system for imag-link tests

imag-link/src/main.rs

@@ -393,6 +393,10 @@ version = \"0.3.0\"\
         fn enable_logging(&self) -> bool {
             false
         }
+
+        fn use_inmemory_fs(&self) -> bool {
+            true
+        }
     }
 
     fn generate_test_config() -> Option<Configuration> {

libimagrt/src/configuration.rs

@@ -289,6 +289,10 @@ pub trait InternalConfiguration {
     fn enable_logging(&self) -> bool {
         true
     }
+
+    fn use_inmemory_fs(&self) -> bool {
+        false
+    }
 }
 
 impl<'a> InternalConfiguration for App<'a, 'a> {}

libimagrt/src/runtime.rs

@@ -35,7 +35,7 @@ use error::RuntimeErrorKind;
 use error::MapErrInto;
 use logger::ImagLogger;
 
-use libimagstore::store::Store;
+use libimagstore::store::{Store, InMemoryFileAbstraction};
 use spec::CliSpec;
 
 /// The Runtime object
@@ -150,7 +150,15 @@ impl<'a> Runtime<'a> {
             write!(stderr(), "Store-config: {:?}\n", store_config).ok();
         }
 
-        Store::new(storepath, store_config).map(|store| {
+        let store_result = if cli_app.use_inmemory_fs() {
+            Store::new_with_backend(storepath,
+                                    store_config,
+                                    Box::new(InMemoryFileAbstraction::new()))
+        } else {
+            Store::new(storepath, store_config)
+        };
+
+        store_result.map(|store| {
             Runtime {
                 cli_matches: matches,
                 configuration: config,