feat: Add testing infrastructure

Cargo.toml

@@ -69,6 +69,8 @@ tokio = { version = "1.39.3", features = [
     "sync",
     "time",
     "io-std",
+    "test-util",
+    "full",
 ] }
 which = "6.0.0"
 whoami = "1.5.1"
@@ -77,6 +79,8 @@ xdg = "2.5.2"
 tower-lsp = "0.20.0"
 tracing-appender = "0.2.3"
 dashmap = "6.1.0"
+fs_extra = "1.3.0"
+temp-dir = "0.1.13"
 # Using older version of tree-sitter due to tree-sitter-nix not being updated yet
 tree-sitter = "0.20"
 tree-sitter-nix = "0.0.1"

devenv/Cargo.toml

@@ -48,6 +48,8 @@ tracing-appender.workspace = true
 dashmap.workspace = true
 tree-sitter.workspace = true
 tree-sitter-nix.workspace = true
+fs_extra.workspace = true
+temp-dir.workspace = true
 
 [build-dependencies]
 cc = "*"

devenv/src/devenv.rs

@@ -1,4 +1,4 @@
-use super::{cli, cnix, config, log, lsp, tasks, utils};
+use super::{cli, cnix, config, lsp, tasks, utils};
 use clap::crate_version;
 use cli_table::Table;
 use cli_table::{print_stderr, WithTitle};
@@ -8,7 +8,6 @@ use miette::{bail, Result};
 use nix::sys::signal;
 use nix::unistd::Pid;
 use serde::Deserialize;
-use serde_json::Value;
 use sha2::Digest;
 use std::collections::HashMap;
 use std::io::Write;
@@ -398,7 +397,9 @@ impl Devenv {
     }
 
     pub async fn lsp(&mut self) -> Result<()> {
+        self.assemble(false)?;
         let options = self.nix.build(&["optionsJSON"]).await?;
+        debug!("{:?}", options);
         let options_path = options[0]
             .join("share")
             .join("doc")