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#[cfg(test)]
mod tests {
use std::collections::HashSet;
use crate::handlers::references::references;
use crate::handlers::test_lib::{ProviderVirtualWorkspace, VirtualLocation, check};
use googletest::prelude::*;
#[gtest]
fn test_function_references() -> Result<()> {
let mut ws = ProviderVirtualWorkspace::new();
check!(ws.check_references(
r#"
local export = {}
local function fl<??>ush()
end
export.flush = flush
return export
"#,
vec![(
"1.lua",
r#"
local flush = require("virtual_0").flush
flush()
"#,
)],
vec![
VirtualLocation {
file: "".to_string(),
line: 2,
},
VirtualLocation {
file: "".to_string(),
line: 4,
},
VirtualLocation {
file: "1.lua".to_string(),
line: 1,
},
VirtualLocation {
file: "1.lua".to_string(),
line: 1,
},
VirtualLocation {
file: "1.lua".to_string(),
line: 2,
},
VirtualLocation {
file: "1.lua".to_string(),
line: 1,
},
VirtualLocation {
file: "".to_string(),
line: 4,
},
]
));
Ok(())
}
#[gtest]
fn test_function_references_2() -> Result<()> {
let mut ws = ProviderVirtualWorkspace::new();
check!(ws.check_references(
r#"
local function fl<??>ush()
end
return {
flush = flush,
}
"#,
vec![(
"1.lua",
r#"
local flush = require("virtual_0").flush
flush()
"#,
)],
vec![
VirtualLocation {
file: "".to_string(),
line: 1,
},
VirtualLocation {
file: "".to_string(),
line: 4,
},
VirtualLocation {
file: "1.lua".to_string(),
line: 1,
},
VirtualLocation {
file: "1.lua".to_string(),
line: 1,
},
VirtualLocation {
file: "1.lua".to_string(),
line: 2,
},
VirtualLocation {
file: "1.lua".to_string(),
line: 1,
},
VirtualLocation {
file: "".to_string(),
line: 4,
},
]
));
Ok(())
}
#[gtest]
fn test_module_return() -> Result<()> {
let mut ws = ProviderVirtualWorkspace::new();
check!(ws.check_references(
r#"
local function init()
end
return in<??>it
"#,
vec![(
"a.lua",
r#"
local init = require("virtual_0")
init()
"#,
)],
vec![
VirtualLocation {
file: "virtual_0.lua".to_string(),
line: 1,
},
VirtualLocation {
file: "a.lua".to_string(),
line: 1,
},
VirtualLocation {
file: "a.lua".to_string(),
line: 2,
},
VirtualLocation {
file: "virtual_0.lua".to_string(),
line: 3,
},
],
));
Ok(())
}
#[gtest]
fn test_module_return_2() -> Result<()> {
let mut ws = ProviderVirtualWorkspace::new();
ws.def_file(
"a.lua",
r#"
local function getA()
end
return {
getA = getA
}
"#,
);
check!(ws.check_references(
r#"
local AModule = require("a")
AMo<??>dule.getA()
"#,
vec![],
vec![
VirtualLocation {
file: "virtual_0.lua".to_string(),
line: 1,
},
VirtualLocation {
file: "virtual_0.lua".to_string(),
line: 2,
},
],
));
Ok(())
}
#[gtest]
fn test_member_references_alias_cycle_does_not_stack_overflow() -> Result<()> {
let mut ws = ProviderVirtualWorkspace::new();
let (main_content, position) = check!(ProviderVirtualWorkspace::handle_file_content(
r#"
local t = {}
t.m<??> = function() end
local x = t.m
t.m = x
"#,
));
let file_id = ws.def(&main_content);
let result = references(&ws.analysis, file_id, position)
.ok_or("failed to get references")
.or_fail()?;
let lines: HashSet<u32> = result.iter().map(|l| l.range.start.line).collect();
assert!(lines.contains(&2));
assert!(lines.contains(&3));
assert!(lines.contains(&4));
Ok(())
}
}