last, skip, drop, take until, take while, skip until, skip while, where, reverse, shuffle, append, prepend and sort-by raise error when given non-lists (#7623)

Closes https://github.com/nushell/nushell/issues/6941

crates/nu-command/tests/commands/append.rs

@@ -13,3 +13,10 @@ fn adds_a_row_to_the_end() {
 
     assert_eq!(actual.out, "pollo loco");
 }
+
+#[test]
+fn fail_on_non_iterator() {
+    let actual = nu!(cwd: ".", pipeline("1 | append 3"));
+
+    assert!(actual.err.contains("only_supports_this_input_type"));
+}

crates/nu-command/tests/commands/drop.rs

@@ -65,7 +65,7 @@ fn rows() {
 
 #[test]
 fn more_rows_than_table_has() {
-    let actual = nu!(cwd: ".", "date | drop 50 | length");
+    let actual = nu!(cwd: ".", "[date] | drop 50 | length");
 
     assert_eq!(actual.out, "0");
 }
@@ -90,3 +90,10 @@ fn nth_missing_first_argument() {
 
     assert!(actual.err.contains("int or range"));
 }
+
+#[test]
+fn fail_on_non_iterator() {
+    let actual = nu!(cwd: ".", pipeline("1 | drop 50"));
+
+    assert!(actual.err.contains("only_supports_this_input_type"));
+}

crates/nu-command/tests/commands/last.rs

@@ -58,7 +58,7 @@ fn requests_more_rows_than_table_has() {
     let actual = nu!(
         cwd: ".", pipeline(
         r#"
-        date | last 50 | length
+        [date] | last 50 | length
         "#
     ));
 
@@ -91,3 +91,10 @@ fn last_errors_on_negative_index() {
 
     assert!(actual.err.contains("use a positive value"));
 }
+
+#[test]
+fn fail_on_non_iterator() {
+    let actual = nu!(cwd: ".", pipeline("1 | last"));
+
+    assert!(actual.err.contains("only_supports_this_input_type"));
+}

crates/nu-command/tests/commands/prepend.rs

@@ -27,3 +27,10 @@ fn adds_a_row_to_the_beginning() {
         assert_eq!(actual.out, "pollo loco");
     })
 }
+
+#[test]
+fn fail_on_non_iterator() {
+    let actual = nu!(cwd: ".", pipeline("1 | prepend 4"));
+
+    assert!(actual.err.contains("only_supports_this_input_type"));
+}

crates/nu-command/tests/commands/reverse.rs

@@ -1,4 +1,4 @@
-use nu_test_support::nu;
+use nu_test_support::{nu, pipeline};
 
 #[test]
 fn can_get_reverse_first() {
@@ -9,3 +9,10 @@ fn can_get_reverse_first() {
 
     assert_eq!(actual.out, "utf16.ini");
 }
+
+#[test]
+fn fail_on_non_iterator() {
+    let actual = nu!(cwd: ".", pipeline("1 | reverse"));
+
+    assert!(actual.err.contains("only_supports_this_input_type"));
+}

crates/nu-command/tests/commands/skip/skip_.rs

@@ -5,12 +5,19 @@ fn binary_skip() {
     let actual = nu!(
         cwd: "tests/fixtures/formats", pipeline(
         r#"
-            open sample_data.ods --raw | 
-            skip 2 | 
-            take 2 | 
+            open sample_data.ods --raw |
+            skip 2 |
+            take 2 |
             into int
         "#
     ));
 
     assert_eq!(actual.out, "772");
 }
+
+#[test]
+fn fail_on_non_iterator() {
+    let actual = nu!(cwd: ".", pipeline("1 | skip 2"));
+
+    assert!(actual.err.contains("only_supports_this_input_type"));
+}

crates/nu-command/tests/commands/skip/until.rs

@@ -49,3 +49,10 @@ fn condition_is_met() {
         assert_eq!(actual.out, "6");
     })
 }
+
+#[test]
+fn fail_on_non_iterator() {
+    let actual = nu!(cwd: ".", pipeline("1 | skip until {|row| $row == 2}"));
+
+    assert!(actual.err.contains("only_supports_this_input_type"));
+}

crates/nu-command/tests/commands/skip/while_.rs

@@ -49,3 +49,10 @@ fn condition_is_met() {
         assert_eq!(actual.out, "6");
     })
 }
+
+#[test]
+fn fail_on_non_iterator() {
+    let actual = nu!(cwd: ".", pipeline("1 | skip while {|row| $row == 2}"));
+
+    assert!(actual.err.contains("only_supports_this_input_type"));
+}

crates/nu-command/tests/commands/sort_by.rs

@@ -119,3 +119,10 @@ fn no_column_specified_fails() {
 
     assert!(actual.err.contains("missing parameter"));
 }
+
+#[test]
+fn fail_on_non_iterator() {
+    let actual = nu!(cwd: ".", pipeline("1 | sort-by"));
+
+    assert!(actual.err.contains("only_supports_this_input_type"));
+}

crates/nu-command/tests/commands/str_/mod.rs

@@ -123,7 +123,7 @@ fn converts_to_int() {
     let actual = nu!(
         cwd: "tests/fixtures/formats", pipeline(
         r#"
-            echo '{number_as_string: "1"}'
+            echo '[{number_as_string: "1"}]'
             | from json
             | into int number_as_string
             | rename number

crates/nu-command/tests/commands/take/rows.rs

@@ -51,7 +51,7 @@ fn fails_on_string() {
             "#
     ));
 
-    assert!(actual.err.contains("pipeline_mismatch"));
+    assert!(actual.err.contains("only_supports_this_input_type"));
 }
 
 #[test]

crates/nu-command/tests/commands/take/until.rs

@@ -50,3 +50,10 @@ fn condition_is_met() {
         assert_eq!(actual.out, "8");
     })
 }
+
+#[test]
+fn fail_on_non_iterator() {
+    let actual = nu!(cwd: ".", pipeline("1 | take until {|row| $row == 2}"));
+
+    assert!(actual.err.contains("only_supports_this_input_type"));
+}

crates/nu-command/tests/commands/take/while_.rs

@@ -49,3 +49,10 @@ fn condition_is_met() {
         assert_eq!(actual.out, "4");
     })
 }
+
+#[test]
+fn fail_on_non_iterator() {
+    let actual = nu!(cwd: ".", pipeline("1 | take while {|row| $row == 2}"));
+
+    assert!(actual.err.contains("only_supports_this_input_type"));
+}

crates/nu-command/tests/commands/where_.rs

@@ -188,3 +188,10 @@ fn contains_operator() {
 
     assert_eq!(actual.out, "2");
 }
+
+#[test]
+fn fail_on_non_iterator() {
+    let actual = nu!(cwd: ".", pipeline(r#"{"name": "foo", "size": 3} | where name == "foo""#));
+
+    assert!(actual.err.contains("only_supports_this_input_type"));
+}