Math#media - ability to compute median value.

crates/nu-cli/tests/commands/math/average.rs

@@ -11,7 +11,7 @@ fn can_average_numbers() {
              | echo $it
          "#
     ));
-    println!("{:?}", actual.err);
+
     assert_eq!(actual.out, "101.5")
 }
 

crates/nu-cli/tests/commands/math/median.rs

@@ -0,0 +1,29 @@
+use nu_test_support::{nu, pipeline};
+
+#[test]
+fn median_numbers_with_even_rows() {
+    let actual = nu!(
+        cwd: ".", pipeline(
+        r#"
+             echo [10 6 19 21 4]
+             | math median
+             | echo $it
+         "#
+    ));
+
+    assert_eq!(actual.out, "10")
+}
+
+#[test]
+fn median_numbers_with_odd_rows() {
+    let actual = nu!(
+        cwd: ".", pipeline(
+        r#"
+             echo [3 8 9 12 12 15]
+             | math median
+             | echo $it
+         "#
+    ));
+
+    assert_eq!(actual.out, "10.5")
+}

crates/nu-cli/tests/commands/math/mod.rs

@@ -1,3 +1,6 @@
+mod average;
+mod median;
+
 use nu_test_support::{nu, pipeline};
 
 #[test]

crates/nu-cli/tests/commands/mod.rs

@@ -1,6 +1,5 @@
 mod alias;
 mod append;
-mod average;
 mod cal;
 mod calc;
 mod cd;