use en-US locale in DateTime tests (#3443)

Effect-TS · Aug 12, 2024 · 8ac351e · 8ac351e
1 parent 739834e
commit 8ac351e
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Showing 2 changed files with 17 additions and 4 deletions.
diff --git a/packages/effect/src/DateTime.ts b/packages/effect/src/DateTime.ts
@@ -1979,7 +1979,7 @@ export const format: {
 /**
  * Format a `DateTime` as a string using the `DateTimeFormat` API.
  *
- * It will use the system's local time zone.
+ * It will use the system's local time zone & locale.
  *
  * @since 3.6.0
  * @category formatting

diff --git a/packages/effect/test/DateTime.test.ts b/packages/effect/test/DateTime.test.ts
@@ -200,6 +200,7 @@ describe("DateTime", () => {
         const now = yield* DateTime.now
         assert.strictEqual(
           DateTime.format(now, {
+            locale: "en-US",
             dateStyle: "full",
             timeStyle: "full"
           }),
@@ -213,7 +214,11 @@ describe("DateTime", () => {
       Effect.gen(function*() {
         const now = yield* DateTime.now
         assert.strictEqual(
-          DateTime.formatUtc(now, { dateStyle: "full", timeStyle: "full" }),
+          DateTime.formatUtc(now, {
+            locale: "en-US",
+            dateStyle: "full",
+            timeStyle: "full"
+          }),
           "Thursday, January 1, 1970 at 12:00:00 AM Coordinated Universal Time"
         )
       }))
@@ -226,7 +231,11 @@ describe("DateTime", () => {
           DateTime.withCurrentZoneNamed("Pacific/Auckland")
         )
         assert.strictEqual(
-          DateTime.format(now, { dateStyle: "full", timeStyle: "full" }),
+          DateTime.format(now, {
+            locale: "en-US",
+            dateStyle: "full",
+            timeStyle: "full"
+          }),
           "Thursday, January 1, 1970 at 12:00:00 PM New Zealand Standard Time"
         )
       }))
@@ -236,7 +245,11 @@ describe("DateTime", () => {
         const now = yield* DateTime.now
         const formatted = now.pipe(
           DateTime.setZoneOffset(10 * 60 * 60 * 1000),
-          DateTime.format({ dateStyle: "long", timeStyle: "short" })
+          DateTime.format({
+            locale: "en-US",
+            dateStyle: "long",
+            timeStyle: "short"
+          })
         )
         assert.strictEqual(formatted, "January 1, 1970 at 10:00 AM")
       }))