Add --prefetch flag for deps prefetch without running (#1475)

1 files changed, 27 insertions, 5 deletions

diff --git a/libdeno/libdeno_test.cc b/libdeno/libdeno_test.cc
index 9873987ea..78091be59 100644
--- a/libdeno/libdeno_test.cc
+++ b/libdeno/libdeno_test.cc
@@ -284,7 +284,7 @@ TEST(LibDenoTest, ModuleResolution) {
     deno_resolve_ok(d, "b.js", mod_b);
   };
   Deno* d = deno_new(deno_config{0, empty, empty, nullptr, resolve_cb});
-  EXPECT_TRUE(deno_execute_mod(d, d, "a.js", mod_a));
+  EXPECT_TRUE(deno_execute_mod(d, d, "a.js", mod_a, false));
   EXPECT_EQ(count, 1);
   deno_delete(d);
 }
@@ -299,7 +299,7 @@ TEST(LibDenoTest, ModuleResolutionFail) {
     // Do not call deno_resolve_ok();
   };
   Deno* d = deno_new(deno_config{0, empty, empty, nullptr, resolve_cb});
-  EXPECT_FALSE(deno_execute_mod(d, d, "a.js", mod_a));
+  EXPECT_FALSE(deno_execute_mod(d, d, "a.js", mod_a, false));
   EXPECT_EQ(count, 1);
   deno_delete(d);
 }
@@ -309,7 +309,8 @@ TEST(LibDenoTest, ModuleSnapshot) {
   EXPECT_TRUE(deno_execute_mod(d1, nullptr, "x.js",
                                "const globalEval = eval\n"
                                "const global = globalEval('this')\n"
-                               "global.a = 1 + 2"));
+                               "global.a = 1 + 2",
+                               0));
   deno_buf test_snapshot = deno_get_snapshot(d1);
   deno_delete(d1);
 
@@ -321,12 +322,32 @@ TEST(LibDenoTest, ModuleSnapshot) {
   deno_delete(d2);
 
   Deno* d3 = deno_new(config);
-  EXPECT_TRUE(deno_execute_mod(d3, nullptr, "y.js", y_src));
+  EXPECT_TRUE(deno_execute_mod(d3, nullptr, "y.js", y_src, false));
   deno_delete(d3);
 
   delete[] test_snapshot.data_ptr;
 }
 
+TEST(LibDenoTest, ModuleResolveOnly) {
+  static int count = 0;
+  auto resolve_cb = [](void* user_data, const char* specifier,
+                       const char* referrer) {
+    EXPECT_STREQ(specifier, "b.js");
+    EXPECT_STREQ(referrer, "a.js");
+    count++;
+    auto d = reinterpret_cast<Deno*>(user_data);
+    deno_resolve_ok(d, "b.js", mod_b);
+  };
+  Deno* d = deno_new(deno_config{0, empty, empty, nullptr, resolve_cb});
+  // Code should not execute. If executed, the error would be thrown
+  EXPECT_TRUE(deno_execute_mod(d, d, "a.js",
+                               "import { retb } from 'b.js'\n"
+                               "throw Error('unreachable');",
+                               true));
+  EXPECT_EQ(count, 1);
+  deno_delete(d);
+}
+
 TEST(LibDenoTest, BuiltinModules) {
   static int count = 0;
   auto resolve_cb = [](void* user_data, const char* specifier,
@@ -347,7 +368,8 @@ TEST(LibDenoTest, BuiltinModules) {
                        "import * as deno from 'deno'\n"
                        "if (retb() != 'b') throw Error('retb');\n"
                        // "   libdeno.print('deno ' + JSON.stringify(deno));\n"
-                       "if (deno.foo != 'bar') throw Error('foo');\n"));
+                       "if (deno.foo != 'bar') throw Error('foo');\n",
+                       false));
   EXPECT_EQ(count, 1);
   deno_delete(d);
 }