Sync pascals-triangle with problem-specifications

Author: senekor

exercises/practice/pascals-triangle/.docs/instructions.md

@@ -2,8 +2,7 @@
 
 Compute Pascal's triangle up to a given number of rows.
 
-In Pascal's Triangle each number is computed by adding the numbers to
-the right and left of the current position in the previous row.
+In Pascal's Triangle each number is computed by adding the numbers to the right and left of the current position in the previous row.
 
 ```text
     1

exercises/practice/pascals-triangle/.meta/config.json

@@ -31,5 +31,5 @@
   },
   "blurb": "Compute Pascal's triangle up to a given number of rows.",
   "source": "Pascal's Triangle at Wolfram Math World",
-  "source_url": "http://mathworld.wolfram.com/PascalsTriangle.html"
+  "source_url": "https://www.wolframalpha.com/input/?i=Pascal%27s+triangle"
 }

exercises/practice/pascals-triangle/.meta/test_template.tera

@@ -0,0 +1,14 @@
+use pascals_triangle::PascalsTriangle;
+{% for test in cases %}
+#[test]
+{% if loop.index != 1 -%}
+#[ignore]
+{% endif -%}
+fn {{ test.description | slugify | replace(from="-", to="_") }}() {
+    let pt = PascalsTriangle::new({{ test.input.count }});
+    let expected: Vec<Vec<u32>> = vec![{% for row in test.expected -%}
+        vec!{{ row | json_encode() }},
+    {%- endfor %}];
+    assert_eq!(pt.rows(), expected);
+}
+{% endfor -%}

exercises/practice/pascals-triangle/.meta/tests.toml

@@ -1,13 +1,29 @@
-# This is an auto-generated file. Regular comments will be removed when this
-# file is regenerated. Regenerating will not touch any manually added keys,
-# so comments can be added in a "comment" key.
+# This is an auto-generated file.
+#
+# Regenerating this file via `configlet sync` will:
+# - Recreate every `description` key/value pair
+# - Recreate every `reimplements` key/value pair, where they exist in problem-specifications
+# - Remove any `include = true` key/value pair (an omitted `include` key implies inclusion)
+# - Preserve any other key/value pair
+#
+# As user-added comments (using the # character) will be removed when this file
+# is regenerated, comments can be added via a `comment` key.
+
+[9920ce55-9629-46d5-85d6-4201f4a4234d]
+description = "zero rows"
+
+[70d643ce-a46d-4e93-af58-12d88dd01f21]
+description = "single row"
 
 [a6e5a2a2-fc9a-4b47-9f4f-ed9ad9fbe4bd]
 description = "two rows"
 
 [97206a99-79ba-4b04-b1c5-3c0fa1e16925]
 description = "three rows"
 
+[565a0431-c797-417c-a2c8-2935e01ce306]
+description = "four rows"
+
 [06f9ea50-9f51-4eb2-b9a9-c00975686c27]
 description = "five rows"
 

exercises/practice/pascals-triangle/tests/pascals-triangle.rs

@@ -1,42 +1,42 @@
-use pascals_triangle::*;
+use pascals_triangle::PascalsTriangle;
 
 #[test]
-fn no_rows() {
+fn zero_rows() {
     let pt = PascalsTriangle::new(0);
-    let expected: Vec<Vec<u32>> = Vec::new();
-    assert_eq!(expected, pt.rows());
+    let expected: Vec<Vec<u32>> = vec![];
+    assert_eq!(pt.rows(), expected);
 }
 
 #[test]
 #[ignore]
-fn one_row() {
+fn single_row() {
     let pt = PascalsTriangle::new(1);
     let expected: Vec<Vec<u32>> = vec![vec![1]];
-    assert_eq!(expected, pt.rows());
+    assert_eq!(pt.rows(), expected);
 }
 
 #[test]
 #[ignore]
 fn two_rows() {
     let pt = PascalsTriangle::new(2);
     let expected: Vec<Vec<u32>> = vec![vec![1], vec![1, 1]];
-    assert_eq!(expected, pt.rows());
+    assert_eq!(pt.rows(), expected);
 }
 
 #[test]
 #[ignore]
 fn three_rows() {
     let pt = PascalsTriangle::new(3);
     let expected: Vec<Vec<u32>> = vec![vec![1], vec![1, 1], vec![1, 2, 1]];
-    assert_eq!(expected, pt.rows());
+    assert_eq!(pt.rows(), expected);
 }
 
 #[test]
 #[ignore]
-fn last_of_four_rows() {
+fn four_rows() {
     let pt = PascalsTriangle::new(4);
-    let expected: Vec<u32> = vec![1, 3, 3, 1];
-    assert_eq!(Some(expected), pt.rows().pop());
+    let expected: Vec<Vec<u32>> = vec![vec![1], vec![1, 1], vec![1, 2, 1], vec![1, 3, 3, 1]];
+    assert_eq!(pt.rows(), expected);
 }
 
 #[test]
@@ -50,7 +50,7 @@ fn five_rows() {
         vec![1, 3, 3, 1],
         vec![1, 4, 6, 4, 1],
     ];
-    assert_eq!(expected, pt.rows());
+    assert_eq!(pt.rows(), expected);
 }
 
 #[test]
@@ -65,23 +65,7 @@ fn six_rows() {
         vec![1, 4, 6, 4, 1],
         vec![1, 5, 10, 10, 5, 1],
     ];
-    assert_eq!(expected, pt.rows());
-}
-
-#[test]
-#[ignore]
-fn seven_rows() {
-    let pt = PascalsTriangle::new(7);
-    let expected: Vec<Vec<u32>> = vec![
-        vec![1],
-        vec![1, 1],
-        vec![1, 2, 1],
-        vec![1, 3, 3, 1],
-        vec![1, 4, 6, 4, 1],
-        vec![1, 5, 10, 10, 5, 1],
-        vec![1, 6, 15, 20, 15, 6, 1],
-    ];
-    assert_eq!(expected, pt.rows());
+    assert_eq!(pt.rows(), expected);
 }
 
 #[test]
@@ -100,5 +84,5 @@ fn ten_rows() {
         vec![1, 8, 28, 56, 70, 56, 28, 8, 1],
         vec![1, 9, 36, 84, 126, 126, 84, 36, 9, 1],
     ];
-    assert_eq!(expected, pt.rows());
+    assert_eq!(pt.rows(), expected);
 }