Merge pull request #30 from zhiburt/refactorings

Refactorings

papergrid/tests/extract.rs

@@ -0,0 +1,108 @@
+use papergrid::{Entity, Grid, Settings, DEFAULT_CELL_STYLE};
+
+#[test]
+fn extract_inside_test() {
+    let grid = new_grid::<3, 3>();
+
+    let grid = grid.extract(1..2, 1..2);
+
+    assert_eq!(
+        grid.to_string(),
+        "+---+\n\
+         |1-1|\n\
+         +---+\n"
+    )
+}
+
+#[test]
+fn extract_left_test() {
+    let grid = new_grid::<3, 3>();
+
+    let grid = grid.extract(.., ..1);
+
+    assert_eq!(
+        grid.to_string(),
+        "+---+\n\
+         |0-0|\n\
+         +---+\n\
+         |1-0|\n\
+         +---+\n\
+         |2-0|\n\
+         +---+\n"
+    )
+}
+
+#[test]
+fn extract_right_test() {
+    let grid = new_grid::<3, 3>();
+
+    let grid = grid.extract(.., 2..);
+
+    assert_eq!(
+        grid.to_string(),
+        "+---+\n\
+         |0-2|\n\
+         +---+\n\
+         |1-2|\n\
+         +---+\n\
+         |2-2|\n\
+         +---+\n"
+    )
+}
+
+#[test]
+fn extract_top_test() {
+    let grid = new_grid::<3, 3>();
+
+    let grid = grid.extract(..1, ..);
+
+    assert_eq!(
+        grid.to_string(),
+        "+---+---+---+\n\
+         |0-0|0-1|0-2|\n\
+         +---+---+---+\n"
+    )
+}
+
+#[test]
+fn extract_bottom_test() {
+    let grid = new_grid::<3, 3>();
+
+    let grid = grid.extract(2.., ..);
+
+    assert_eq!(
+        grid.to_string(),
+        "+---+---+---+\n\
+         |2-0|2-1|2-2|\n\
+         +---+---+---+\n"
+    )
+}
+
+#[test]
+fn extract_all_test() {
+    let grid = new_grid::<3, 3>();
+    let grid = grid.extract(3.., 3..);
+    assert_eq!(grid.to_string(), "");
+}
+
+#[test]
+fn extract_empty_test() {
+    let grid = new_grid::<0, 0>();
+    let grid = grid.extract(.., ..);
+    assert_eq!(grid.to_string(), "");
+}
+
+fn new_grid<const N_ROWS: usize, const N_COLUMNS: usize>() -> Grid {
+    let mut grid = Grid::new(N_ROWS, N_COLUMNS);
+
+    for row in 0..N_ROWS {
+        for column in 0..N_COLUMNS {
+            let text = format!("{}-{}", row, column);
+            grid.set(&Entity::Cell(row, column), Settings::new().text(text));
+        }
+    }
+
+    grid.set_cell_borders(DEFAULT_CELL_STYLE.clone());
+
+    grid
+}