diff --git a/crates/lsp-ai/src/config.rs b/crates/lsp-ai/src/config.rs
index 3827a50..ea9631f 100644
--- a/crates/lsp-ai/src/config.rs
+++ b/crates/lsp-ai/src/config.rs
@@ -371,7 +371,7 @@ impl Config {
     }
 }
 
-// This makes testing much easier.
+// For teesting use only
 #[cfg(test)]
 impl Config {
     pub fn default_with_file_store_without_models() -> Self {
diff --git a/crates/lsp-ai/src/memory_backends/file_store.rs b/crates/lsp-ai/src/memory_backends/file_store.rs
index a8828a6..45abb7e 100644
--- a/crates/lsp-ai/src/memory_backends/file_store.rs
+++ b/crates/lsp-ai/src/memory_backends/file_store.rs
@@ -126,7 +126,7 @@ impl FileStore {
                         return Ok(false);
                     }
                     // This means it has been opened before
-                    let insert_uri = format!("file://{path}");
+                    let insert_uri = format!("file:///{path}");
                     if self.file_map.lock().contains_key(&insert_uri) {
                         return Ok(true);
                     }
@@ -453,6 +453,42 @@ impl MemoryBackend for FileStore {
     }
 }
 
+// For teesting use only
+#[cfg(test)]
+impl FileStore {
+    pub fn default_with_filler_file() -> anyhow::Result<Self> {
+        let config = Config::default_with_file_store_without_models();
+        let file_store_config = if let config::ValidMemoryBackend::FileStore(file_store_config) =
+            config.config.memory.clone()
+        {
+            file_store_config
+        } else {
+            anyhow::bail!("requires a file_store_config")
+        };
+        let f = FileStore::new(file_store_config, config)?;
+
+        let uri = "file:///filler.py";
+        let text = r#"# Multiplies two numbers
+def multiply_two_numbers(x, y):
+    return
+
+# A singular test
+assert multiply_two_numbers(2, 3) == 6
+"#;
+        let params = lsp_types::DidOpenTextDocumentParams {
+            text_document: lsp_types::TextDocumentItem {
+                uri: reqwest::Url::parse(uri).unwrap(),
+                language_id: "filler".to_string(),
+                version: 0,
+                text: text.to_string(),
+            },
+        };
+        f.opened_text_document(params)?;
+
+        Ok(f)
+    }
+}
+
 #[cfg(test)]
 mod tests {
     use super::*;
@@ -476,7 +512,7 @@ mod tests {
     }
 
     fn generate_filler_text_document(uri: Option<&str>, text: Option<&str>) -> TextDocumentItem {
-        let uri = uri.unwrap_or("file://filler/");
+        let uri = uri.unwrap_or("file:///filler/");
         let text = text.unwrap_or("Here is the document body");
         TextDocumentItem {
             uri: reqwest::Url::parse(uri).unwrap(),
@@ -496,7 +532,7 @@ mod tests {
         let file = file_store
             .file_map
             .lock()
-            .get("file://filler/")
+            .get("file:///filler/")
             .unwrap()
             .clone();
         assert_eq!(file.rope.to_string(), "Here is the document body");
@@ -513,8 +549,8 @@ mod tests {
 
         let params = RenameFilesParams {
             files: vec![FileRename {
-                old_uri: "file://filler/".to_string(),
-                new_uri: "file://filler2/".to_string(),
+                old_uri: "file:///filler/".to_string(),
+                new_uri: "file:///filler2/".to_string(),
             }],
         };
         file_store.renamed_files(params)?;
@@ -522,7 +558,7 @@ mod tests {
         let file = file_store
             .file_map
             .lock()
-            .get("file://filler2/")
+            .get("file:///filler2/")
             .unwrap()
             .clone();
         assert_eq!(file.rope.to_string(), "Here is the document body");
@@ -563,7 +599,7 @@ mod tests {
         let file = file_store
             .file_map
             .lock()
-            .get("file://filler/")
+            .get("file:///filler/")
             .unwrap()
             .clone();
         assert_eq!(file.rope.to_string(), "Hae is the document body");
@@ -583,7 +619,7 @@ mod tests {
         let file = file_store
             .file_map
             .lock()
-            .get("file://filler/")
+            .get("file:///filler/")
             .unwrap()
             .clone();
         assert_eq!(file.rope.to_string(), "abc");
@@ -693,7 +729,7 @@ The end with a trailing new line
 
         // Test multi-file
         let text_document2 = generate_filler_text_document(
-            Some("file://filler2"),
+            Some("file:///filler2"),
             Some(
                 r#"Document Top2
 Here is a more complicated document
@@ -781,7 +817,7 @@ The end with a trailing new line
         let params = AdditionalFileStoreParams { build_tree: true };
         let file_store = FileStore::new_with_params(file_store_config, config, params)?;
 
-        let uri = "file://filler/test.rs";
+        let uri = "file:///filler/test.rs";
         let text = r#"#[derive(Debug)]
 struct Rectangle {
     width: u32,
diff --git a/crates/lsp-ai/src/memory_worker.rs b/crates/lsp-ai/src/memory_worker.rs
index bea5f85..1b7a481 100644
--- a/crates/lsp-ai/src/memory_worker.rs
+++ b/crates/lsp-ai/src/memory_worker.rs
@@ -69,8 +69,7 @@ async fn do_build_prompt(
     params
         .tx
         .send(prompt)
-        .map_err(|_| anyhow::anyhow!("sending on channel failed"))?;
-    Ok(())
+        .map_err(|_| anyhow::anyhow!("sending on channel failed"))
 }
 
 fn do_task(
diff --git a/crates/lsp-ai/src/transformer_worker.rs b/crates/lsp-ai/src/transformer_worker.rs
index fcbd831..7766a11 100644
--- a/crates/lsp-ai/src/transformer_worker.rs
+++ b/crates/lsp-ai/src/transformer_worker.rs
@@ -173,7 +173,7 @@ pub fn run(
         connection,
         config,
     ) {
-        error!("error in transformer worker: {e}")
+        error!("error in transformer worker: {e:?}")
     }
 }
 
@@ -256,7 +256,7 @@ async fn dispatch_request(
     {
         Ok(response) => response,
         Err(e) => {
-            error!("generating response: {e}");
+            error!("generating response: {e:?}");
             Response {
                 id: request.get_id(),
                 result: None,
@@ -266,7 +266,7 @@ async fn dispatch_request(
     };
 
     if let Err(e) = connection.sender.send(Message::Response(response)) {
-        error!("sending response: {e}");
+        error!("sending response: {e:?}");
     }
 }
 
@@ -412,7 +412,103 @@ async fn do_generate(
 #[cfg(test)]
 mod tests {
     use super::*;
-    use crate::memory_backends::{ContextAndCodePrompt, FIMPrompt};
+    use crate::memory_backends::{
+        file_store::FileStore, ContextAndCodePrompt, FIMPrompt, MemoryBackend,
+    };
+    use serde_json::json;
+    use std::{sync::mpsc, thread};
+
+    #[tokio::test]
+    async fn test_do_completion() -> anyhow::Result<()> {
+        let (memory_tx, memory_rx) = mpsc::channel();
+        let memory_backend: Box<dyn MemoryBackend + Send + Sync> =
+            Box::new(FileStore::default_with_filler_file()?);
+        thread::spawn(move || memory_worker::run(memory_backend, memory_rx));
+
+        let transformer_backend: Box<dyn TransformerBackend + Send + Sync> =
+            config::ValidModel::Ollama(serde_json::from_value(
+                json!({"model": "deepseek-coder:1.3b-base"}),
+            )?)
+            .try_into()?;
+        let completion_request = CompletionRequest::new(
+            serde_json::from_value(json!(0))?,
+            serde_json::from_value(json!({
+                "position": {"character":10, "line":2},
+                "textDocument": {
+                    "uri": "file:///filler.py"
+                }
+            }))?,
+        );
+        let mut config = config::Config::default_with_file_store_without_models();
+        config.config.completion = Some(serde_json::from_value(json!({
+            "model": "model1",
+            "parameters": {
+                "options": {
+                    "temperature": 0
+                }
+            }
+        }))?);
+
+        let result = do_completion(
+            &transformer_backend,
+            memory_tx,
+            &completion_request,
+            &config,
+        )
+        .await?;
+
+        assert_eq!(
+            " x * y",
+            result.result.clone().unwrap()["items"][0]["textEdit"]["newText"]
+                .as_str()
+                .unwrap()
+        );
+        assert_eq!(
+            "    return",
+            result.result.unwrap()["items"][0]["filterText"]
+                .as_str()
+                .unwrap()
+        );
+
+        Ok(())
+    }
+
+    #[tokio::test]
+    async fn test_do_generate() -> anyhow::Result<()> {
+        let (memory_tx, memory_rx) = mpsc::channel();
+        let memory_backend: Box<dyn MemoryBackend + Send + Sync> =
+            Box::new(FileStore::default_with_filler_file()?);
+        thread::spawn(move || memory_worker::run(memory_backend, memory_rx));
+
+        let transformer_backend: Box<dyn TransformerBackend + Send + Sync> =
+            config::ValidModel::Ollama(serde_json::from_value(
+                json!({"model": "deepseek-coder:1.3b-base"}),
+            )?)
+            .try_into()?;
+        let generation_request = GenerationRequest::new(
+            serde_json::from_value(json!(0))?,
+            serde_json::from_value(json!({
+                "position": {"character":10, "line":2},
+                "textDocument": {
+                    "uri": "file:///filler.py"
+                },
+                "model": "model1",
+                "parameters": {
+                    "options": {
+                        "temperature": 0
+                    }
+                }
+            }))?,
+        );
+        let result = do_generate(&transformer_backend, memory_tx, &generation_request).await?;
+
+        assert_eq!(
+            " x * y",
+            result.result.unwrap()["generatedText"].as_str().unwrap()
+        );
+
+        Ok(())
+    }
 
     #[test]
     fn test_post_process_fim() {