test: improve expect.toHaveBeenWarned() message

yyx990803 · yyx990803 · commit b74238431363 · 2020-08-24T21:23:08.000-04:00
diff --git a/scripts/setupJestEnv.ts b/scripts/setupJestEnv.ts
@@ -12,7 +12,10 @@ expect.extend({
       return {
         pass: false,
         message: () =>
-          `expected "${received}" to have been warned.\n\nActual messages:\n\n - ${msgs}`
+          `expected "${received}" to have been warned` +
+          (msgs.length
+            ? `.\n\nActual messages:\n\n - ${msgs}`
+            : ` but no warning was recorded.`)
       }
     }
   },

Original file line number	Diff line number	Diff line change
`@@ -12,7 +12,10 @@ expect.extend({`
`12`	`12`	`return {`
`13`	`13`	`pass: false,`
`14`	`14`	`message: () =>`
`15`		- `expected "${received}" to have been warned.\n\nActual messages:\n\n - ${msgs}`
	`15`	+ `expected "${received}" to have been warned` +
	`16`	`+ (msgs.length`
	`17`	+ ? `.\n\nActual messages:\n\n - ${msgs}`
	`18`	+ : ` but no warning was recorded.`)
`16`	`19`	`}`
`17`	`20`	`}`
`18`	`21`	`},`