Implement testcases for command rule

src/tests.rs

@@ -0,0 +1,40 @@
+#[cfg(test)]
+use crate::tcl::commands;
+
+#[test]
+fn test_commands_working() {
+    let testcase_1: &str = "cmd_a;cmd_b;cmd_c";
+    let testcase_2: &str = "cmd_a\ncmd_b\ncmd_c";
+    let verify: Vec<String> = vec![
+        String::from("cmd_a"),
+        String::from("cmd_b"),
+        String::from("cmd_c"),
+    ];
+
+    assert_eq!(commands(testcase_1), verify);
+    assert_eq!(commands(testcase_2), verify);
+}
+
+#[test]
+fn test_commands_quotes() {
+    let testcase_1: &str = "cmd_a\n\"cmd_b\"\ncmd_c";
+    let verify_1: Vec<String> = vec![
+        String::from("cmd_a"),
+        String::from("\"cmd_b\""),
+        String::from("cmd_c"),
+    ];
+
+    let testcase_2: &str = "cmd_a;\"cmd_b;cmd_c\"";
+    let verify_2: Vec<String> = vec![String::from("cmd_a"), String::from("\"cmd_b;cmd_c\"")];
+
+    let testcase_3: &str = "cmd_a;\"cmd_b\ncmd_c\"";
+    let verify_3: Vec<String> = vec![String::from("cmd_a"), String::from("\"cmd_b\ncmd_c\"")];
+
+    let case_1 = commands(testcase_1);
+    let case_2 = commands(testcase_2);
+    let case_3 = commands(testcase_3);
+
+    assert_eq!(case_1, verify_1);
+    assert_eq!(case_2, verify_2);
+    assert_eq!(case_3, verify_3);
+}