More nuon tests, fix table print

crates/nu-command/tests/format_conversions/nuon.rs

@@ -126,3 +126,39 @@ fn binary_roundtrip() {
 
  assert_eq!(actual.out, "0x[1FFF]");
 }
+
+#[test]
+fn read_binary_data() {
+ let actual = nu!(
+ cwd: "tests/fixtures/formats", pipeline(
+ r#"
+ open sample.nuon | get 5.3
+ "#
+ ));
+
+ assert_eq!(actual.out, "31")
+}
+
+#[test]
+fn read_record() {
+ let actual = nu!(
+ cwd: "tests/fixtures/formats", pipeline(
+ r#"
+ open sample.nuon | get 4.name
+ "#
+ ));
+
+ assert_eq!(actual.out, "Bobby")
+}
+
+#[test]
+fn read_bool() {
+ let actual = nu!(
+ cwd: "tests/fixtures/formats", pipeline(
+ r#"
+ open sample.nuon | get 3 | $in == $true
+ "#
+ ));
+
+ assert_eq!(actual.out, "true")
+}

crates/nu-engine/src/column.rs

@@ -11,6 +11,8 @@ pub fn get_columns(input: &[Value]) -> Vec<String> {
  columns.push(col.to_string());
  }
  }
+ } else {
+ return vec![];
  }
  }
 

tests/fixtures/formats/sample.nuon

@@ -0,0 +1,20 @@
+# Some sample nuon values
+[
+ # The nuon compact table format
+ [[a, nuon, table]; [1, 2, 3], [4, 5, 6]],
+
+ # A filesize
+ 100kib,
+
+ # A duration
+ 100sec
+
+ # A boolean
+ true,
+
+ # A record
+ {name: "Bobby", age: 99}
+
+ # Binary data
+ 0x[11, ff, ee, 1f]
+]