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Expectation refactoring #217

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hadley opened this Issue Jan 9, 2015 · 0 comments

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hadley commented Jan 9, 2015

Use lazyeval to simplify NSE handling.

label <- function(x) {
  paste(deparse(lazyeval::lazy(expected)$expr), collapse = "")
}

expect_identical <- function(actual, expected) {
  if (identical(actual, expected)) {
    success()
  }

  same <- compare(expected, actual)
  if (same$equal) {
    failure(label(actual), "is equal but not identical to ", label(expected))
  } else {
    diff <- paste0(same, collapse = "\n")
    failure(
      label(actual),  "is not identical to ", label(expected), 
      ". Differences: \n", same$message
    )
  }
}

@hadley hadley changed the title from Extract out create expectation function to Expectation refactoring Feb 18, 2016

@hadley hadley closed this in cb04f8c Feb 20, 2016

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