tests: add testing of the binary's integration with sway

src/lib.rs

@@ -59,11 +59,9 @@ impl SwaySome {
             };
 
             let socket = Path::new(&socket_path);
-            if socket.is_file() {
-                match SwaySome::new_from_socket(socket) {
-                    Ok(swaysome) => return swaysome,
-                    Err(e) => eprintln!("Error with value found in ${}: {}", socket_var, e),
-                }
+            match SwaySome::new_from_socket(socket) {
+                Ok(swaysome) => return swaysome,
+                Err(e) => eprintln!("Error with value found in ${}: {}", socket_var, e),
             }
         }
         panic!("couldn't find any i3/sway socket")

tests/integration_bin.rs

@@ -0,0 +1,30 @@
+use std::process::Command;
+
+mod utils;
+use utils::Sway;
+
+#[test]
+fn test_binary_help() {
+    let output = Command::new("./target/debug/swaysome")
+        .args(["-h"])
+        .env_clear()
+        .env("SWAYSOCK", "/dev/null")
+        .output()
+        .expect("Couldn't run swaymsg");
+    assert_eq!(String::from_utf8(output.stdout).unwrap(), "Better multimonitor handling for sway\n\nUsage: swaysome <COMMAND>\n\nCommands:\n  init                         Initialize the workspace groups for all the outputs\n  move                         Move the focused container to another workspace on the same workspace group\n  move-to-group                Move the focused container to the same workspace index on another workspace group\n  focus                        Focus to another workspace on the same workspace group\n  focus-group                  Focus to workspace group\n  focus-all-outputs            Focus to another workspace on all the outputs\n  next-output                  Move the focused container to the next output\n  prev-output                  Move the focused container to the previous output\n  workspace-group-next-output  Move the focused workspace group to the next output\n  workspace-group-prev-output  Move the focused workspace group to the previous output\n  next-group                   Move the focused container to the next group\n  prev-group                   Move the focused container to the previous group\n  rearrange-workspaces         Rearrange already opened workspaces to the correct outputs, useful when plugging new monitors\n  help                         Print this message or the help of the given subcommand(s)\n\nOptions:\n  -h, --help     Print help\n  -V, --version  Print version\n");
+}
+
+/// We only test the 'init' command, given that the exhaustive command testing
+/// is done in the library integration tests. Here, we only verify that the
+/// interaction with `sway` works seamslessly.
+#[test]
+fn test_binary_interaction_with_sway() {
+    let sway = Sway::start();
+    let output = Command::new("./target/debug/swaysome")
+        .args(["init", "1"])
+        .env_clear()
+        .env("SWAYSOCK", sway.sock.clone())
+        .output()
+        .expect("Couldn't run swaymsg");
+    assert_eq!(String::from_utf8(output.stderr).unwrap(), "successful connection to socket '/tmp/swaysome_tests/test_binary_interaction_with_sway/swaysock'\nSending command: 'focus output HEADLESS-3' - Command successful\nSending command: 'workspace number 31' - Command successful\nSending command: 'focus output HEADLESS-2' - Command successful\nSending command: 'workspace number 21' - Command successful\nSending command: 'focus output HEADLESS-1' - Command successful\nSending command: 'workspace number 11' - Command successful\n");
+}