test(cli): improve test of deno cache (#9340)

1 files changed, 33 insertions, 5 deletions

diff --git a/cli/tests/integration_tests.rs b/cli/tests/integration_tests.rs
index f4327212f..5fa7c904f 100644
--- a/cli/tests/integration_tests.rs
+++ b/cli/tests/integration_tests.rs
@@ -5,7 +5,8 @@ use deno_core::serde_json;
 use deno_core::url;
 use deno_runtime::deno_fetch::reqwest;
 use deno_runtime::deno_websocket::tokio_tungstenite;
-use std::io::{BufRead, Write};
+use std::fs;
+use std::io::{BufRead, Read, Write};
 use std::process::Command;
 use tempfile::TempDir;
 use test_util as util;
@@ -336,14 +337,41 @@ mod integration {
       .env("DENO_DIR", deno_dir.path())
       .current_dir(util::root_path())
       .arg("cache")
+      .arg("-L")
+      .arg("debug")
       .arg(module_url.to_string())
       .output()
       .expect("Failed to spawn script");
     assert!(output.status.success());
-    let out = std::str::from_utf8(&output.stdout).unwrap();
-    assert_eq!(out, "");
-    // TODO(ry) Is there some way to check that the file was actually cached in
-    // DENO_DIR?
+
+    let out = std::str::from_utf8(&output.stderr).unwrap();
+    // Check if file and dependencies are written successfully
+    assert!(out.contains("host.writeFile(\"deno://subdir/print_hello.js\")"));
+    assert!(out.contains("host.writeFile(\"deno://subdir/mod2.js\")"));
+    assert!(out.contains("host.writeFile(\"deno://006_url_imports.js\")"));
+
+    let prg = util::deno_exe_path();
+    let output = Command::new(&prg)
+      .env("DENO_DIR", deno_dir.path())
+      .env("HTTP_PROXY", "http://nil")
+      .env("NO_COLOR", "1")
+      .current_dir(util::root_path())
+      .arg("run")
+      .arg(module_url.to_string())
+      .output()
+      .expect("Failed to spawn script");
+
+    let str_output = std::str::from_utf8(&output.stdout).unwrap();
+
+    let module_output_path =
+      util::root_path().join("cli/tests/006_url_imports.ts.out");
+    let mut module_output = String::new();
+    let mut module_output_file = fs::File::open(module_output_path).unwrap();
+    module_output_file
+      .read_to_string(&mut module_output)
+      .unwrap();
+
+    assert_eq!(module_output, str_output);
   }
 
   #[test]