Question

我正在为我的包裹编写测试，我想使用宏观经济数据，而不是人为地随机分配。问题是，当我使用read.csv('my_file.csv')然后运行test_that时，所有使用我的数据的测试都将被忽略。例如

library('tseries')
library('testthat')
data<-read.csv('my_file.csv')
test_that('ADF test',{
    vec<-data[,2]
    expect_is(adf.test(vec),'htest')
})

运行“ testpackage”后，我未获得有关测试失败或通过的信息。问题出在哪里？

Answer 1

testthat仅在测试未成功的情况下在控制台中返回错误：

library(testthat)
data<-iris
test_that('test1',{
  expect_is(data$Petal.Length,'numeric')
})

test_that('test2',{
  expect_is(data$Species,'numeric')
})
#> Error: Test failed: 'test2'
#> * <text>:8: data$Species inherits from `factor` not `numeric`.

^{由reprex package（v0.3.0）于2020-09-21创建}

您可以使用test_file或test_dir来获得结果：

res <- test_file('mytest.R',
                 reporter = "list",
                 env = test_env(),
                 start_end_reporter = TRUE,
                 load_helpers = TRUE,
                 wrap = TRUE)

√ |  OK F W S | Context
x |   1 1     | mytest
--------------------------------------------------------------------------------
mytest.R:8: failure: test2
data$Species inherits from `factor` not `numeric`.
--------------------------------------------------------------------------------

== Results =====================================================================
OK:       1
Failed:   1
Warnings: 0
Skipped:  0
Warning message:
`encoding` is deprecated; all files now assumed to be UTF-8

测试看不到外部CSV数据

1 个答案: