refactor(runtime): align error messages (#25563)

Aligns the error messages in the runtime folder to be in-line with the
Deno style guide.

https://github.com/denoland/deno/issues/25269

2 files changed, 48 insertions, 12 deletions

diff --git a/tests/unit/command_test.ts b/tests/unit/command_test.ts
index 0a7891493..523d20cf3 100644
--- a/tests/unit/command_test.ts
+++ b/tests/unit/command_test.ts
@@ -73,8 +73,16 @@ Deno.test(
     });
     const child = command.spawn();
 
-    assertThrows(() => child.stdout, TypeError, "stdout is not piped");
-    assertThrows(() => child.stderr, TypeError, "stderr is not piped");
+    assertThrows(
+      () => child.stdout,
+      TypeError,
+      "Cannot get 'stdout': 'stdout' is not piped",
+    );
+    assertThrows(
+      () => child.stderr,
+      TypeError,
+      "Cannot get 'stderr': 'stderr' is not piped",
+    );
 
     const msg = new TextEncoder().encode("hello");
     const writer = child.stdin.getWriter();
@@ -99,9 +107,21 @@ Deno.test(
     });
     const child = command.spawn();
 
-    assertThrows(() => child.stdin, TypeError, "stdin is not piped");
-    assertThrows(() => child.stdout, TypeError, "stdout is not piped");
-    assertThrows(() => child.stderr, TypeError, "stderr is not piped");
+    assertThrows(
+      () => child.stdin,
+      TypeError,
+      "Cannot get 'stdin': 'stdin' is not piped",
+    );
+    assertThrows(
+      () => child.stdout,
+      TypeError,
+      "Cannot get 'stdout': 'stdout' is not piped",
+    );
+    assertThrows(
+      () => child.stderr,
+      TypeError,
+      "Cannot get 'stderr': 'stderr' is not piped",
+    );
 
     await child.status;
   },
@@ -120,8 +140,16 @@ Deno.test(
     });
     const child = command.spawn();
 
-    assertThrows(() => child.stdin, TypeError, "stdin is not piped");
-    assertThrows(() => child.stderr, TypeError, "stderr is not piped");
+    assertThrows(
+      () => child.stdin,
+      TypeError,
+      "Cannot get 'stdin': 'stdin' is not piped",
+    );
+    assertThrows(
+      () => child.stderr,
+      TypeError,
+      "Cannot get 'stderr': 'stderr' is not piped",
+    );
 
     const readable = child.stdout.pipeThrough(new TextDecoderStream());
     const reader = readable.getReader();
@@ -154,8 +182,16 @@ Deno.test(
     });
     const child = command.spawn();
 
-    assertThrows(() => child.stdin, TypeError, "stdin is not piped");
-    assertThrows(() => child.stdout, TypeError, "stdout is not piped");
+    assertThrows(
+      () => child.stdin,
+      TypeError,
+      "Cannot get 'stdin': 'stdin' is not piped",
+    );
+    assertThrows(
+      () => child.stdout,
+      TypeError,
+      "Cannot get 'stdout': 'stdout' is not piped",
+    );
 
     const readable = child.stderr.pipeThrough(new TextDecoderStream());
     const reader = readable.getReader();
@@ -955,7 +991,7 @@ Deno.test(
     assertThrows(
       () => child.kill(),
       TypeError,
-      "Child process has already terminated.",
+      "Child process has already terminated",
     );
   },
 );
diff --git a/tests/unit/permissions_test.ts b/tests/unit/permissions_test.ts
index e18b0c8f2..82524d556 100644
--- a/tests/unit/permissions_test.ts
+++ b/tests/unit/permissions_test.ts
@@ -120,7 +120,7 @@ Deno.test(function permissionQueryForReadReturnsSameStatusSync() {
 });
 
 Deno.test(function permissionsIllegalConstructor() {
-  assertThrows(() => new Deno.Permissions(), TypeError, "Illegal constructor.");
+  assertThrows(() => new Deno.Permissions(), TypeError, "Illegal constructor");
   assertEquals(Deno.Permissions.length, 0);
 });
 
@@ -128,7 +128,7 @@ Deno.test(function permissionStatusIllegalConstructor() {
   assertThrows(
     () => new Deno.PermissionStatus(),
     TypeError,
-    "Illegal constructor.",
+    "Illegal constructor",
   );
   assertEquals(Deno.PermissionStatus.length, 0);
 });