Apply formatting to tests

Author: bluss

src/arrayformat.rs

@@ -140,9 +140,14 @@ where
         &[len] => {
             let view = view.view().into_dimensionality::<Ix1>().unwrap();
             f.write_str("[")?;
-            format_with_overflow(f, len, fmt_opt.collapse_limit(0), ", ", ELLIPSIS, |f, index| {
-                format(&view[index], f)
-            })?;
+            format_with_overflow(
+                f,
+                len,
+                fmt_opt.collapse_limit(0),
+                ", ",
+                ELLIPSIS,
+                |f, index| format(&view[index], f),
+            )?;
             f.write_str("]")?;
         }
         // For n-dimensional arrays, we proceed recursively
@@ -289,16 +294,24 @@ mod formatting_with_omit {
         );
     }
 
-    fn ellipsize(limit: usize, sep: &str, elements: impl IntoIterator<Item=impl fmt::Display>)
-        -> String
-    {
+    fn ellipsize(
+        limit: usize,
+        sep: &str,
+        elements: impl IntoIterator<Item = impl fmt::Display>,
+    ) -> String {
         let elements = elements.into_iter().collect::<Vec<_>>();
         let edge = limit / 2;
         if elements.len() <= limit {
             format!("{}", elements.iter().format(sep))
         } else {
-            format!("{}{}{}{}{}", elements[..edge].iter().format(sep), sep, ELLIPSIS, sep,
-                elements[elements.len() - edge..].iter().format(sep))
+            format!(
+                "{}{}{}{}{}",
+                elements[..edge].iter().format(sep),
+                sep,
+                ELLIPSIS,
+                sep,
+                elements[elements.len() - edge..].iter().format(sep)
+            )
         }
     }
 
@@ -348,7 +361,10 @@ mod formatting_with_omit {
     #[test]
     fn dim_2_last_axis_overflow() {
         let overflow: usize = 2;
-        let a = Array2::from_elem((AXIS_2D_OVERFLOW_LIMIT, AXIS_2D_OVERFLOW_LIMIT + overflow), 1);
+        let a = Array2::from_elem(
+            (AXIS_2D_OVERFLOW_LIMIT, AXIS_2D_OVERFLOW_LIMIT + overflow),
+            1,
+        );
         let actual = format!("{}", a);
         let expected = "\
 [[1, 1, 1, 1, 1, ..., 1, 1, 1, 1, 1],
@@ -370,7 +386,10 @@ mod formatting_with_omit {
         let a = Array2::from_elem((ARRAY_MANY_ELEMENT_LIMIT / 10, 10), 1);
         let actual = format!("{}", a);
         let row = format!("{}", a.row(0));
-        let expected = format!("[{}]", ellipsize(AXIS_LIMIT_COL, ",\n ", (0..a.nrows()).map(|_| &row)));
+        let expected = format!(
+            "[{}]",
+            ellipsize(AXIS_LIMIT_COL, ",\n ", (0..a.nrows()).map(|_| &row))
+        );
         assert_str_eq(&expected, &actual);
     }
 
@@ -386,17 +405,32 @@ mod formatting_with_omit {
     #[test]
     fn dim_2_multi_directional_overflow() {
         let overflow: usize = 2;
-        let a = Array2::from_elem((AXIS_2D_OVERFLOW_LIMIT + overflow, AXIS_2D_OVERFLOW_LIMIT + overflow), 1);
+        let a = Array2::from_elem(
+            (
+                AXIS_2D_OVERFLOW_LIMIT + overflow,
+                AXIS_2D_OVERFLOW_LIMIT + overflow,
+            ),
+            1,
+        );
         let actual = format!("{}", a);
         let row = format!("[{}]", ellipsize(AXIS_LIMIT_ROW, ", ", a.row(0)));
-        let expected = format!("[{}]", ellipsize(AXIS_LIMIT_COL, ",\n ", (0..a.nrows()).map(|_| &row)));
+        let expected = format!(
+            "[{}]",
+            ellipsize(AXIS_LIMIT_COL, ",\n ", (0..a.nrows()).map(|_| &row))
+        );
         assert_str_eq(&expected, &actual);
     }
 
     #[test]
     fn dim_2_multi_directional_overflow_alternate() {
         let overflow: usize = 2;
-        let a = Array2::from_elem((AXIS_2D_OVERFLOW_LIMIT + overflow, AXIS_2D_OVERFLOW_LIMIT + overflow), 1);
+        let a = Array2::from_elem(
+            (
+                AXIS_2D_OVERFLOW_LIMIT + overflow,
+                AXIS_2D_OVERFLOW_LIMIT + overflow,
+            ),
+            1,
+        );
         let actual = format!("{:#}", a);
         let row = format!("{}", a.row(0));
         let expected = format!("[{}]", (0..a.nrows()).map(|_| &row).format(",\n "));
@@ -405,9 +439,12 @@ mod formatting_with_omit {
 
     #[test]
     fn dim_3_overflow_most() {
-        let a = Array3::from_shape_fn((AXIS_LIMIT_STACKED + 1, AXIS_LIMIT_COL, AXIS_LIMIT_ROW + 1), |(i, j, k)| {
-            1000. + (100. * ((i as f64).sqrt() + (j as f64).sin() + k as f64)).round() / 100.
-        });
+        let a = Array3::from_shape_fn(
+            (AXIS_LIMIT_STACKED + 1, AXIS_LIMIT_COL, AXIS_LIMIT_ROW + 1),
+            |(i, j, k)| {
+                1000. + (100. * ((i as f64).sqrt() + (j as f64).sin() + k as f64)).round() / 100.
+            },
+        );
         let actual = format!("{:6.1}", a);
         let expected = "\
 [[[1000.0, 1001.0, 1002.0, 1003.0, 1004.0, ..., 1007.0, 1008.0, 1009.0, 1010.0, 1011.0],