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feat: smart_tab

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Implement `smart_tab`, which optionally makes the tab key run the
`move_parent_node_start` command when the cursor has non- whitespace to
its left.
This commit is contained in:
Skyler Hawthorne 2022-10-08 18:14:49 -04:00 • committed by Michael Davis
parent 93acb53812
commit 15e07d4db8
8 changed files with 338 additions and 10 deletions
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253
helix-term/tests/test/commands/movement.rs
View file

@ -197,3 +197,256 @@ async fn test_move_parent_node_start() -> anyhow::Result<()> {
Ok(())
}
#[tokio::test(flavor = "multi_thread")]
async fn test_smart_tab_move_parent_node_end() -> anyhow::Result<()> {
let tests = vec![
// single cursor stays single cursor, first goes to end of current
// node, then parent
(
helpers::platform_line(indoc! {r##"
fn foo() {
let result = if true {
"yes"
} else {
"no#["|]#
}
}
"##}),
"i<tab>",
helpers::platform_line(indoc! {"\
fn foo() {
let result = if true {
\"yes\"
} else {
\"no\"#[|\n]#
}
}
"}),
),
(
helpers::platform_line(indoc! {"\
fn foo() {
let result = if true {
\"yes\"
} else {
\"no\"#[\n|]#
}
}
"}),
"i<tab>",
helpers::platform_line(indoc! {"\
fn foo() {
let result = if true {
\"yes\"
} else {
\"no\"
}#[|\n]#
}
"}),
),
// appending to the end of a line should still look at the current
// line, not the next one
(
helpers::platform_line(indoc! {"\
fn foo() {
let result = if true {
\"yes\"
} else {
\"no#[\"|]#
}
}
"}),
"a<tab>",
helpers::platform_line(indoc! {"\
fn foo() {
let result = if true {
\"yes\"
} else {
\"no\"
}#[\n|]#
}
"}),
),
// before cursor is all whitespace, so insert tab
(
helpers::platform_line(indoc! {"\
fn foo() {
let result = if true {
\"yes\"
} else {
#[\"no\"|]#
}
}
"}),
"i<tab>",
helpers::platform_line(indoc! {"\
fn foo() {
let result = if true {
\"yes\"
} else {
#[|\"no\"]#
}
}
"}),
),
// if selection spans multiple lines, it should still only look at the
// line on which the head is
(
helpers::platform_line(indoc! {"\
fn foo() {
let result = if true {
#[\"yes\"
} else {
\"no\"|]#
}
}
"}),
"a<tab>",
helpers::platform_line(indoc! {"\
fn foo() {
let result = if true {
\"yes\"
} else {
\"no\"
}#[\n|]#
}
"}),
),
(
helpers::platform_line(indoc! {"\
fn foo() {
let result = if true {
#[\"yes\"
} else {
\"no\"|]#
}
}
"}),
"i<tab>",
helpers::platform_line(indoc! {"\
fn foo() {
let result = if true {
#[|\"yes\"
} else {
\"no\"]#
}
}
"}),
),
(
helpers::platform_line(indoc! {"\
fn foo() {
#[l|]#et result = if true {
#(\"yes\"
} else {
\"no\"|)#
}
}
"}),
"i<tab>",
helpers::platform_line(indoc! {"\
fn foo() {
#[|l]#et result = if true {
#(|\"yes\"
} else {
\"no\")#
}
}
"}),
),
(
helpers::platform_line(indoc! {"\
fn foo() {
let result = if true {
\"yes\"#[\n|]#
} else {
\"no\"#(\n|)#
}
}
"}),
"i<tab>",
helpers::platform_line(indoc! {"\
fn foo() {
let result = if true {
\"yes\"
}#[| ]#else {
\"no\"
}#(|\n)#
}
"}),
),
(
helpers::platform_line(indoc! {"\
fn foo() {
let result = if true {
#[\"yes\"|]#
} else {
#(\"no\"|)#
}
}
"}),
"i<tab>",
helpers::platform_line(indoc! {"\
fn foo() {
let result = if true {
#[|\"yes\"]#
} else {
#(|\"no\")#
}
}
"}),
),
// if any cursors are not preceded by all whitespace, then do the
// smart_tab action
(
helpers::platform_line(indoc! {"\
fn foo() {
let result = if true {
#[\"yes\"\n|]#
} else {
\"no#(\"\n|)#
}
}
"}),
"i<tab>",
helpers::platform_line(indoc! {"\
fn foo() {
let result = if true {
\"yes\"
}#[| ]#else {
\"no\"
}#(|\n)#
}
"}),
),
// Ctrl-tab always inserts a tab
(
helpers::platform_line(indoc! {"\
fn foo() {
let result = if true {
#[\"yes\"\n|]#
} else {
\"no#(\"\n|)#
}
}
"}),
"i<S-tab>",
helpers::platform_line(indoc! {"\
fn foo() {
let result = if true {
#[|\"yes\"\n]#
} else {
\"no #(|\"\n)#
}
}
"}),
),
];
for test in tests {
test_with_config(AppBuilder::new().with_file("foo.rs", None), test).await?;
}
Ok(())
}