Add unit tests for paste_all_selections_(before|after).

helix-term/tests/test/commands.rs

@@ -4,6 +4,7 @@ use super::*;
 
 mod insert;
 mod movement;
+mod paste_all_selections;
 mod write;
 
 #[tokio::test(flavor = "multi_thread")]

helix-term/tests/test/commands/paste_all_selections.rs

@@ -0,0 +1,59 @@
+use super::*;
+
+use helix_core::hashmap;
+use helix_term::keymap;
+use helix_view::document::Mode;
+
+#[tokio::test(flavor = "multi_thread")]
+async fn paste_all_selections() -> anyhow::Result<()> {
+    let mut config = Config::default();
+    config.keys.insert(
+        Mode::Normal,
+        keymap!({"Normal Mode"
+            "A-P" => paste_all_selections_before,
+            "A-p" => paste_all_selections_after,
+        }),
+    );
+
+    // Test paste_all_selections_before
+    // Selection direction matches paste target selections.
+    test_with_config(
+        AppBuilder::new().with_config(config.clone()),
+        (
+            indoc! {"\
+            #(|one)#_cat
+            #(|two)#_dog
+            #[|three]#_cow
+            "},
+            "y<A-P>",
+            indoc! {"\
+            #(|one)##(|two)##(|three)#one_cat
+            #(|one)##(|two)##(|three)#two_dog
+            #(|one)##(|two)##[|three]#three_cow
+            "},
+        ),
+    )
+    .await?;
+
+    // Test paste_all_selections_after
+    // Primary selection is last selection pasted for previous primary.
+    test_with_config(
+        AppBuilder::new().with_config(config.clone()),
+        (
+            indoc! {"\
+            #(one|)#_cat
+            #[two|]#_dog
+            #(three|)#_cow
+            "},
+            "y<A-p>",
+            indoc! {"\
+            one#(one|)##(two|)##(three|)#_cat
+            two#(one|)##(two|)##[three|]#_dog
+            three#(one|)##(two|)##(three|)#_cow
+            "},
+        ),
+    )
+    .await?;
+
+    Ok(())
+}