From e09b119744f9b6260ae71035069ab1140c7dbca8 Mon Sep 17 00:00:00 2001
From: Zhengbo Wang <lw7205675@gmail.com>
Date: Mon, 19 Aug 2024 13:25:25 +0800
Subject: [PATCH] add , , , ,

---
 narwhals/_dask/expr.py                        | 35 +++++++++++++++++++
 .../dt/datetime_duration_test.py              |  4 +--
 2 files changed, 36 insertions(+), 3 deletions(-)

diff --git a/narwhals/_dask/expr.py b/narwhals/_dask/expr.py
index 40fef92a4..2b5d16897 100644
--- a/narwhals/_dask/expr.py
+++ b/narwhals/_dask/expr.py
@@ -798,6 +798,41 @@ def ordinal_day(self) -> DaskExpr:
             returns_scalar=False,
         )
 
+    def total_minutes(self) -> DaskExpr:
+        return self._expr._from_call(
+            lambda _input: _input.dt.total_seconds() // 60,
+            "total_minutes",
+            returns_scalar=False,
+        )
+
+    def total_seconds(self) -> DaskExpr:
+        return self._expr._from_call(
+            lambda _input: _input.dt.total_seconds() // 1,
+            "total_seconds",
+            returns_scalar=False,
+        )
+
+    def total_milliseconds(self) -> DaskExpr:
+        return self._expr._from_call(
+            lambda _input: _input.dt.total_seconds() * 1000 // 1,
+            "total_milliseconds",
+            returns_scalar=False,
+        )
+
+    def total_microseconds(self) -> DaskExpr:
+        return self._expr._from_call(
+            lambda _input: _input.dt.total_seconds() * 1_000_000 // 1,
+            "total_microseconds",
+            returns_scalar=False,
+        )
+
+    def total_nanoseconds(self) -> DaskExpr:
+        return self._expr._from_call(
+            lambda _input: _input.dt.total_seconds() * 1_000_000_000 // 1,
+            "total_nanoseconds",
+            returns_scalar=False,
+        )
+
 
 class DaskExprNameNamespace:
     def __init__(self: Self, expr: DaskExpr) -> None:
diff --git a/tests/expr_and_series/dt/datetime_duration_test.py b/tests/expr_and_series/dt/datetime_duration_test.py
index 8e96f59a5..50d254ba3 100644
--- a/tests/expr_and_series/dt/datetime_duration_test.py
+++ b/tests/expr_and_series/dt/datetime_duration_test.py
@@ -44,9 +44,7 @@ def test_duration_attributes(
     expected_b: list[int],
     expected_c: list[int],
 ) -> None:
-    if "dask_lazy" in str(constructor) or (
-        parse_version(pd.__version__) < (2, 2) and "pandas_pyarrow" in str(constructor)
-    ):
+    if parse_version(pd.__version__) < (2, 2) and "pandas_pyarrow" in str(constructor):
         request.applymarker(pytest.mark.xfail)
 
     df = nw.from_native(constructor(data))