Jest log message on assertion failure using test.each
I am trying to log a URL on test failure. I am using test.each(testData) where testData will pass an object with a url property for each test run.
On assertion failure, I'd like to log out the url that failed the test but I am finding it surprisingly difficult to do.
Is this even possible? Passing an argument to an assertion like this: expect(metaTag).not.toBeFalsy('url goes here'); won't work. Nor will throwing an Error. Nor will changing the title of each generated test (with test.each) as at the time of title definition, I don't have access to the url.
jestjs
edited Nov 12 at 13:21
skyboyer
3,24611128
asked Nov 12 at 9:26
justin
1,1611017
add a comment |
I am trying to log a URL on test failure. I am using test.each(testData) where testData will pass an object with a url property for each test run.
On assertion failure, I'd like to log out the url that failed the test but I am finding it surprisingly difficult to do.
Is this even possible? Passing an argument to an assertion like this: expect(metaTag).not.toBeFalsy('url goes here'); won't work. Nor will throwing an Error. Nor will changing the title of each generated test (with test.each) as at the time of title definition, I don't have access to the url.
jestjs
edited Nov 12 at 13:21
skyboyer
3,24611128
asked Nov 12 at 9:26
justin
1,1611017
add a comment |
I am trying to log a URL on test failure. I am using test.each(testData) where testData will pass an object with a url property for each test run.
On assertion failure, I'd like to log out the url that failed the test but I am finding it surprisingly difficult to do.
Is this even possible? Passing an argument to an assertion like this: expect(metaTag).not.toBeFalsy('url goes here'); won't work. Nor will throwing an Error. Nor will changing the title of each generated test (with test.each) as at the time of title definition, I don't have access to the url.
jestjs
edited Nov 12 at 13:21
skyboyer
3,24611128
asked Nov 12 at 9:26
justin
1,1611017
I am trying to log a URL on test failure. I am using test.each(testData) where testData will pass an object with a url property for each test run.
On assertion failure, I'd like to log out the url that failed the test but I am finding it surprisingly difficult to do.
Is this even possible? Passing an argument to an assertion like this: expect(metaTag).not.toBeFalsy('url goes here'); won't work. Nor will throwing an Error. Nor will changing the title of each generated test (with test.each) as at the time of title definition, I don't have access to the url.
jestjs
jestjs
edited Nov 12 at 13:21
skyboyer
3,24611128
asked Nov 12 at 9:26
justin
1,1611017
edited Nov 12 at 13:21
skyboyer
3,24611128
asked Nov 12 at 9:26
justin
1,1611017
edited Nov 12 at 13:21
skyboyer
3,24611128
edited Nov 12 at 13:21
skyboyer
3,24611128
edited Nov 12 at 13:21
skyboyer
3,24611128
3,24611128
asked Nov 12 at 9:26
justin
1,1611017
asked Nov 12 at 9:26
justin
1,1611017
asked Nov 12 at 9:26
justin
1,1611017
1,1611017
add a comment |
add a comment |
1 Answer
1
active
oldest
votes
I ended up using: https://www.npmjs.com/package/jest-expect-message
npm i -D jest-expect-message
Add this to package.json:
"jest":
"setupTestFrameworkScriptFile": "jest-expect-message"
,
Use:
expect(
metaTag,
`Could not find metaTag with selector $robotsMetaTagSelector for url $url`
).not.toBeFalsy();
If anyone knows of a better or in-built solution - that would be a better answer.
answered Nov 12 at 9:34
justin
1,1611017
add a comment |
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1 Answer
1
active
oldest
votes
1 Answer
1
active
oldest
votes
active
oldest
votes
active
oldest
votes
I ended up using: https://www.npmjs.com/package/jest-expect-message
npm i -D jest-expect-message
Add this to package.json:
"jest":
"setupTestFrameworkScriptFile": "jest-expect-message"
,
Use:
expect(
metaTag,
`Could not find metaTag with selector $robotsMetaTagSelector for url $url`
).not.toBeFalsy();
If anyone knows of a better or in-built solution - that would be a better answer.
answered Nov 12 at 9:34
justin
1,1611017
add a comment |
I ended up using: https://www.npmjs.com/package/jest-expect-message
npm i -D jest-expect-message
Add this to package.json:
"jest":
"setupTestFrameworkScriptFile": "jest-expect-message"
,
Use:
expect(
metaTag,
`Could not find metaTag with selector $robotsMetaTagSelector for url $url`
).not.toBeFalsy();
If anyone knows of a better or in-built solution - that would be a better answer.
answered Nov 12 at 9:34
justin
1,1611017
add a comment |
I ended up using: https://www.npmjs.com/package/jest-expect-message
npm i -D jest-expect-message
Add this to package.json:
"jest":
"setupTestFrameworkScriptFile": "jest-expect-message"
,
Use:
expect(
metaTag,
`Could not find metaTag with selector $robotsMetaTagSelector for url $url`
).not.toBeFalsy();
If anyone knows of a better or in-built solution - that would be a better answer.
answered Nov 12 at 9:34
justin
1,1611017
I ended up using: https://www.npmjs.com/package/jest-expect-message
npm i -D jest-expect-message
Add this to package.json:
"jest":
"setupTestFrameworkScriptFile": "jest-expect-message"
,
Use:
expect(
metaTag,
`Could not find metaTag with selector $robotsMetaTagSelector for url $url`
).not.toBeFalsy();
If anyone knows of a better or in-built solution - that would be a better answer.
answered Nov 12 at 9:34
justin
1,1611017
answered Nov 12 at 9:34
justin
1,1611017
answered Nov 12 at 9:34
justin
1,1611017
answered Nov 12 at 9:34
justin
1,1611017
1,1611017
add a comment |
add a comment |
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