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I would like to be able to make the Jest output less verbose. For example, I have only 4 failing tests, and I run it with o
to only run new tests after commit, however, it still prints multiple screen sizes of info. This is all I can see on my 15 inch macbook:
The total log is:
FAIL src/maxima/maxima3.test.js
maxima
✕ a: 1; b: 2; c: 3 becomes {"a":"1","b":"2","c":"3"} (1ms)
✕ a: 1; b: 2$ c: 3 becomes {"a":"1","c":"3"} (1ms)
✕ a: 1; b: 2$ c: 1/0; d: diff(x^2,x) becomes {"a":"1","c":"<error>\nexpt: undefined: 0 to a negative exponent.\n</error>","d":"2*x"} (1ms)
✕ a: 1; c: 3x; d: diff(x^2,x) becomes {"a":"1","c":"<error>\nincorrect syntax: x is not an infix operator\n c: 3x;\n ^\n</error>"} (1ms)
● maxima › a: 1; b: 2; c: 3 becomes {"a":"1","b":"2","c":"3"}
expect(received).toEqual(expected)
Expected value to equal:
{"a":"1","b":"2","c":"3"}
Received:
"undefined"
Difference:
Comparing two different types of values:
Expected: object
Received: undefined
at Object._callee$ (src/maxima/maxima3.test.js:41:30)
at tryCatch (node_modules/regenerator-runtime/runtime.js:62:40)
at GeneratorFunctionPrototype.invoke [as _invoke] (node_modules/regenerator-runtime/runtime.js:336:22)
at GeneratorFunctionPrototype.prototype.(anonymous function) [as next] (node_modules/regenerator-runtime/runtime.js:95:21)
at step (src/maxima/maxima3.test.js:1:1299)
at src/maxima/maxima3.test.js:1:1459
at process._tickCallback (internal/process/next_tick.js:103:7)
● maxima › a: 1; b: 2$ c: 3 becomes {"a":"1","c":"3"}
expect(received).toEqual(expected)
Expected value to equal:
{"a":"1","c":"3"}
Received:
"undefined"
Difference:
Comparing two different types of values:
Expected: object
Received: undefined
at Object._callee$ (src/maxima/maxima3.test.js:41:30)
at tryCatch (node_modules/regenerator-runtime/runtime.js:62:40)
at GeneratorFunctionPrototype.invoke [as _invoke] (node_modules/regenerator-runtime/runtime.js:336:22)
at GeneratorFunctionPrototype.prototype.(anonymous function) [as next] (node_modules/regenerator-runtime/runtime.js:95:21)
at step (src/maxima/maxima3.test.js:1:1299)
at src/maxima/maxima3.test.js:1:1459
at process._tickCallback (internal/process/next_tick.js:103:7)
● maxima › a: 1; b: 2$ c: 1/0; d: diff(x^2,x) becomes {"a":"1","c":"<error>\nexpt: undefined: 0 to a negative exponent.\n</error>","d":"2*x"}
expect(received).toEqual(expected)
Expected value to equal:
{"a":"1","c":"<error>\nexpt: undefined: 0 to a negative exponent.\n</error>","d":"2*x"}
Received:
"undefined"
Difference:
Comparing two different types of values:
Expected: object
Received: undefined
at Object._callee$ (src/maxima/maxima3.test.js:41:30)
at tryCatch (node_modules/regenerator-runtime/runtime.js:62:40)
at GeneratorFunctionPrototype.invoke [as _invoke] (node_modules/regenerator-runtime/runtime.js:336:22)
at GeneratorFunctionPrototype.prototype.(anonymous function) [as next] (node_modules/regenerator-runtime/runtime.js:95:21)
at step (src/maxima/maxima3.test.js:1:1299)
at src/maxima/maxima3.test.js:1:1459
at process._tickCallback (internal/process/next_tick.js:103:7)
● maxima › a: 1; c: 3x; d: diff(x^2,x) becomes {"a":"1","c":"<error>\nincorrect syntax: x is not an infix operator\n c: 3x;\n ^\n</error>"}
expect(received).toEqual(expected)
Expected value to equal:
{"a":"1","c":"<error>\nincorrect syntax: x is not an infix operator\n c: 3x;\n ^\n</error>","d":"undefined"}
Received:
"undefined"
Difference:
Comparing two different types of values:
Expected: object
Received: undefined
at Object._callee$ (src/maxima/maxima3.test.js:41:30)
at tryCatch (node_modules/regenerator-runtime/runtime.js:62:40)
at GeneratorFunctionPrototype.invoke [as _invoke] (node_modules/regenerator-runtime/runtime.js:336:22)
at GeneratorFunctionPrototype.prototype.(anonymous function) [as next] (node_modules/regenerator-runtime/runtime.js:95:21)
at step (src/maxima/maxima3.test.js:1:1299)
at src/maxima/maxima3.test.js:1:1459
at process._tickCallback (internal/process/next_tick.js:103:7)
Test Summary
› Ran all tests related to changed files.
› 4 tests failed, 0 tests passed (4 total in 1 test suite, run time 0.065s)
Watch Usage
› Press a to run all tests.
› Press p to filter by a filename regex pattern.
› Press q to quit watch mode.
› Press Enter to trigger a test run.
I don't want to see all the stacktraces, they rarely show me anything I want to see. For example, you could shrink it like this:
FAIL src/maxima/maxima3.test.js
maxima
✕ a: 1; b: 2; c: 3 becomes {"a":"1","b":"2","c":"3"} (1ms)
✕ a: 1; b: 2$ c: 3 becomes {"a":"1","c":"3"} (1ms)
✕ a: 1; b: 2$ c: 1/0; d: diff(x^2,x) becomes {"a":"1","c":"<error>\nexpt: undefined: 0 to a negative exponent.\n</error>","d":"2*x"} (1ms)
✕ a: 1; c: 3x; d: diff(x^2,x) becomes {"a":"1","c":"<error>\nincorrect syntax: x is not an infix operator\n c: 3x;\n ^\n</error>"} (1ms)
● maxima › a: 1; b: 2; c: 3 becomes {"a":"1","b":"2","c":"3"}
expect(received).toEqual(expected)
Expected value to equal:
{"a":"1","b":"2","c":"3"}
Received:
"undefined"
Difference:
Comparing two different types of values:
Expected: object
Received: undefined
● maxima › a: 1; b: 2$ c: 3 becomes {"a":"1","c":"3"}
expect(received).toEqual(expected)
Expected value to equal:
{"a":"1","c":"3"}
Received:
"undefined"
Difference:
Comparing two different types of values:
Expected: object
Received: undefined
● maxima › a: 1; b: 2$ c: 1/0; d: diff(x^2,x) becomes {"a":"1","c":"<error>\nexpt: undefined: 0 to a negative exponent.\n</error>","d":"2*x"}
expect(received).toEqual(expected)
Expected value to equal:
{"a":"1","c":"<error>\nexpt: undefined: 0 to a negative exponent.\n</error>","d":"2*x"}
Received:
"undefined"
Difference:
Comparing two different types of values:
Expected: object
Received: undefined
● maxima › a: 1; c: 3x; d: diff(x^2,x) becomes {"a":"1","c":"<error>\nincorrect syntax: x is not an infix operator\n c: 3x;\n ^\n</error>"}
expect(received).toEqual(expected)
Expected value to equal:
{"a":"1","c":"<error>\nincorrect syntax: x is not an infix operator\n c: 3x;\n ^\n</error>","d":"undefined"}
Received:
"undefined"
Difference:
Comparing two different types of values:
Expected: object
Received: undefined
Test Summary
› Ran all tests related to changed files.
› 4 tests failed, 0 tests passed (4 total in 1 test suite, run time 0.065s)
Watch Usage
› Press a to run all tests.
› Press p to filter by a filename regex pattern.
› Press q to quit watch mode.
› Press Enter to trigger a test run.
I think there could be done more to save more space, and see more relevant info in a blink of an eye, but this would help a lot.
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