feat(unstable): `deno add` subcommand (#22520)

This commit adds "deno add" subcommand that has a basic support for
adding "jsr:" packages to "deno.json" file. 

This currently doesn't support "npm:" specifiers and specifying version
constraints.

1 files changed, 108 insertions, 0 deletions

diff --git a/tests/integration/pm_tests.rs b/tests/integration/pm_tests.rs
new file mode 100644
index 000000000..4e0345331
--- /dev/null
+++ b/tests/integration/pm_tests.rs
@@ -0,0 +1,108 @@
+// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
+
+use deno_core::serde_json::json;
+use test_util::assert_contains;
+use test_util::env_vars_for_jsr_tests;
+// use test_util::env_vars_for_npm_tests;
+// use test_util::itest;
+use test_util::TestContextBuilder;
+
+#[test]
+fn add_basic() {
+  let starting_deno_json = json!({
+    "name": "@foo/bar",
+    "version": "1.0.0",
+    "exports": "./mod.ts",
+  });
+  let context = pm_context_builder().build();
+  let temp_dir = context.temp_dir().path();
+  temp_dir.join("deno.json").write_json(&starting_deno_json);
+
+  let output = context.new_command().args("add @denotest/add").run();
+  output.assert_exit_code(0);
+  let output = output.combined_output();
+  assert_contains!(output, "Add @denotest/add");
+  temp_dir.join("deno.json").assert_matches_json(json!({
+    "name": "@foo/bar",
+    "version": "1.0.0",
+    "exports": "./mod.ts",
+    "imports": {
+      "@denotest/add": "jsr:@denotest/add@^1.0.0"
+    }
+  }));
+}
+
+#[test]
+fn add_basic_no_deno_json() {
+  let context = pm_context_builder().build();
+  let temp_dir = context.temp_dir().path();
+
+  let output = context.new_command().args("add @denotest/add").run();
+  output.assert_exit_code(0);
+  let output = output.combined_output();
+  assert_contains!(output, "Add @denotest/add");
+  temp_dir.join("deno.json").assert_matches_json(json!({
+    "imports": {
+      "@denotest/add": "jsr:@denotest/add@^1.0.0"
+    }
+  }));
+}
+
+#[test]
+fn add_multiple() {
+  let starting_deno_json = json!({
+    "name": "@foo/bar",
+    "version": "1.0.0",
+    "exports": "./mod.ts",
+  });
+  let context = pm_context_builder().build();
+  let temp_dir = context.temp_dir().path();
+  temp_dir.join("deno.json").write_json(&starting_deno_json);
+
+  let output = context
+    .new_command()
+    .args("add @denotest/add @denotest/subset-type-graph")
+    .run();
+  output.assert_exit_code(0);
+  let output = output.combined_output();
+  assert_contains!(output, "Add @denotest/add");
+  temp_dir.join("deno.json").assert_matches_json(json!({
+    "name": "@foo/bar",
+    "version": "1.0.0",
+    "exports": "./mod.ts",
+    "imports": {
+      "@denotest/add": "jsr:@denotest/add@^1.0.0",
+      "@denotest/subset-type-graph": "jsr:@denotest/subset-type-graph@^0.1.0"
+    }
+  }));
+}
+
+#[test]
+fn add_not_supported_npm() {
+  let context = pm_context_builder().build();
+
+  let output = context
+    .new_command()
+    .args("add @denotest/add npm:express")
+    .run();
+  output.assert_exit_code(1);
+  let output = output.combined_output();
+  assert_contains!(output, "error: Adding npm: packages is currently not supported. Package: npm:express");
+}
+
+#[test]
+fn add_not_supported_version_constraint() {
+  let context = pm_context_builder().build();
+
+  let output = context.new_command().args("add @denotest/add@1").run();
+  output.assert_exit_code(1);
+  let output = output.combined_output();
+  assert_contains!(output, "error: Specifying version constraints is currently not supported. Package: jsr:@denotest/add@1");
+}
+
+fn pm_context_builder() -> TestContextBuilder {
+  TestContextBuilder::new()
+    .use_http_server()
+    .envs(env_vars_for_jsr_tests())
+    .use_temp_cwd()
+}