feat(runtime): add .cwd() method (#95)

c4spar · Jul 17, 2022 · 4b88438 · 4b88438
1 parent ca64927
commit 4b88438
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Showing 2 changed files with 17 additions and 2 deletions.
diff --git a/src/runtime/process.ts b/src/runtime/process.ts
@@ -31,6 +31,7 @@ export class Process extends Reader<ProcessOutput> {
   #shouldRetry?: RetryCallback;
   #stdoutReader: Reader<string>;
   #stderrReader: Reader<string>;
+  #cwd?: string;
 
   constructor(cmd: string, { errorContext }: ProcessOptions = {}) {
     super({
@@ -71,6 +72,7 @@ export class Process extends Reader<ProcessOutput> {
         stdin: this.#stdin,
         stdout: this.#stdout,
         stderr: this.#stderr,
+        cwd: this.#cwd,
       });
 
       if (this.#timeout) {
@@ -153,6 +155,11 @@ export class Process extends Reader<ProcessOutput> {
     return this;
   }
 
+  cwd(path: string): this {
+    this.#cwd = path;
+    return this;
+  }
+
   env(
     name: string,
     value: string | number | boolean | Record<string, unknown>,

diff --git a/test.ts b/test.ts
@@ -199,15 +199,23 @@ Deno.test({
 });
 
 Deno.test({
-  name: "$ should set env var",
+  name: "$ should set cwd for current process",
+  async fn() {
+    const stdout = await $`pwd`.cwd("examples").stdout;
+    assertEquals(stdout, `${Deno.cwd()}/examples\n`);
+  },
+});
+
+Deno.test({
+  name: "$ should set env var current process",
   async fn() {
     const stdout = await $`echo $FOO_BAR`.env("FOO_BAR", "baz").stdout;
     assertEquals(stdout, "baz\n");
   },
 });
 
 Deno.test({
-  name: "$ should set json as env var",
+  name: "$ should set json as env var current process",
   async fn() {
     const stdout = await $`echo $FOO_BAR`.env("FOO_BAR", { foo: "bar", baz: 1 })
       .stdout;