`testthat::expect_silent()` does not seem to notice ggplot2 errors

`testthat::expect_silent()` does not seem to notice ggplot2 errors

By : user2185581
Date : November 22 2020, 04:01 AM
With these it helps Try capturing the output from ggplot and then testing if it can be printed:
code :

# First test should succeed (no output)
test_that("silent when ggplot2 succeeds", {
  working.plot <- ggplot(diamonds, aes(x = carat, y = price)) + geom_point()
} )

# Second test should fail
test_that("fails when ggplot2 throws an error", {
  broken.plot <- ggplot(diamonds, aes(x = carrot, y = price)) + geom_point()
} )
Error: Test failed: 'expect_silent fails when ggplot2 throws an error'
* object 'carrot' not found

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Logging PHP notice errors

Logging PHP notice errors

By : stoph
Date : March 29 2020, 07:55 AM
this will help Turns out the system has a custom Apache ErrorLog directive defined, and I have been tail -f ... the default Apache error_log.
Note to self: always check the web server setup first before posting silly questions on SO!
r devtools test() errors but testthat test_file() works

r devtools test() errors but testthat test_file() works

By : James Hendrickson
Date : March 29 2020, 07:55 AM
This might help you Assignment to the global environment is a no-no, see R Inferno and testthat isolates tests as much as possible (see test_that() details). As a consequence, the optiplum() assignment to the global environment would not succeed because the testthat function strictly prohibits such behaviour.
@Hadley rightly points out that the function should just return the string instead of assigning it, particularly since it is just two extra characters for each use.
code :
    value=rgb(red=129,green=61,blue=114, maxColorValue = 255),
optiplum <- function() rgb(red=102,green=17,blue=109, maxColorValue = 255)
R testthat not reporting failures or errors

R testthat not reporting failures or errors

By : user3263950
Date : March 29 2020, 07:55 AM
I wish this helpful for you I am finding some weird results using testthat. When running test_file, individual test_that calls are discovered but there is no output to the console other than the name of the context and the returned data.frame does not have the expected results. I suspect I am doing something really dumb but have tried lots of alternatives and get the same outcome. , In your testthat tests you declare an anonymous function like so:
code :
function() {
context("The context")

test_that('should pass', {

test_that('should fail', {

test_that('should error', {
The context : .12

1. Failure(@test.R#8): should fail -----------------------------------------------------------------------------------------------------------------------------------
43 not equal to 42
Mean relative difference: 0.02380952

2. Error: should error -----------------------------------------------------------------------------------------------------------------------------------------------

1: withCallingHandlers(eval(code, new_test_environment), error = capture_calls)
2: eval(code, new_test_environment)
3: eval(expr, envir, enclos)
4: stop() at test.R:12
How to notice MySQL errors using PDO in PHP

How to notice MySQL errors using PDO in PHP

By : Michael Doroshenko
Date : March 29 2020, 07:55 AM
should help you out This is what the PHP manual said: , Are you checking explicitly for false? ===
code :
If ($result === false) {
show all errors except notice and strict in php

show all errors except notice and strict in php

By : Kyle VanLaningham
Date : March 29 2020, 07:55 AM
it helps some times to exclude some errors you need to use & ~
so instead of :
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