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update permissions samples on testing.md #1664

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6cbb137
update permissions samples on testing.md
kuboon Apr 25, 2025
be0ceca
Update testing.md
kuboon Apr 25, 2025
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10 changes: 4 additions & 6 deletions runtime/fundamentals/testing.md
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Original file line number Diff line number Diff line change
Expand Up @@ -48,7 +48,6 @@ Deno.test("async test", async () => {

Deno.test({
name: "read file test",
permissions: { read: true },
fn: () => {
const data = Deno.readTextFileSync("./somefile.txt");
assertEquals(data, "expected content");
Expand Down Expand Up @@ -97,7 +96,7 @@ deno test my_test.ts -- -e --foo --bar

# Provide permission for deno to read from the filesystem, which is necessary
# for the final test above to pass
deno test --allow-read my_test.ts
deno test --allow-read=. my_test.ts
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This is a bit of a personal preference, but I have a strong desire to promote the practice of not granting broad permissions too easily.

```

## Test Steps
Expand Down Expand Up @@ -611,7 +610,7 @@ import getFileText from "./main.ts";

Deno.test({
name: "File reader gets text with permission",
permissions: { read: true },
// no `permissions` means "inherit"
fn: async () => {
const result = await getFileText();
console.log(result);
Expand Down Expand Up @@ -640,11 +639,10 @@ The permissions object supports detailed configuration:
```ts
Deno.test({
name: "permission configuration example",
// permissions: { read: true } // Grant all read permissions and deny all others
// OR
permissions: {
read: true, // Grant all read permissions
// OR
read: ["./data", "./config"], // Grant read to specific paths only

write: false, // Explicitly deny write permissions
net: ["example.com:443"], // Allow specific host:port combinations
env: ["API_KEY"], // Allow access to specific env variables
Expand Down
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