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swirl 2.4.1
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@@ -4,3 +4,4 @@ | |
| user_data/ | ||
| ^\.travis\.yml$ | ||
| ^cran-comments\.md$ | ||
| ^revdep$ | ||
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@@ -4,7 +4,7 @@ Description: Use the R console as an interactive learning | |
| environment. Users receive immediate feedback as they are guided through | ||
| self-paced lessons in data science and R programming. | ||
| URL: http://swirlstats.com | ||
| Version: 2.4.0 | ||
| Version: 2.4.1 | ||
| License: MIT + file LICENSE | ||
| Authors@R: c( | ||
| person("Sean", "Kross", email = "[email protected]", role = c("aut", "cre")), | ||
|
|
||
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,109 @@ | ||
| # The versions of the functions below have been graciously borrowed | ||
| # from version 0.11.0 of the testthat package by | ||
| # Hadley Wickham and others at RStudio. These APIs | ||
| # were broken in later versions of testthat and we know the | ||
| # old version works for our purposes. | ||
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| expectation_legacy <- function(passed, failure_msg, | ||
| success_msg = "unknown", | ||
| srcref = NULL) { | ||
| structure( | ||
| list( | ||
| passed = passed, | ||
| error = FALSE, | ||
| skipped = FALSE, | ||
| failure_msg = failure_msg, | ||
| success_msg = success_msg, | ||
| srcref = srcref | ||
| ), | ||
| class = "expectation" | ||
| ) | ||
| } | ||
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| #' @importFrom testthat compare | ||
| equals_legacy <- function(expected, label = NULL, ...) { | ||
| if (is.null(label)) { | ||
| label <- findExpr("expected") | ||
| } else if (!is.character(label) || length(label) != 1) { | ||
| label <- deparse(label) | ||
| } | ||
|
|
||
| function(actual) { | ||
| same <- compare(actual, expected, ...) | ||
|
|
||
| expectation_legacy( | ||
| same$equal, | ||
| paste0("not equal to ", label, "\n", same$message), | ||
| paste0("equals ", label) | ||
| ) | ||
| } | ||
| } | ||
|
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||
| is_a_legacy <- function(class) { | ||
| function(x) { | ||
| actual_s <- paste0(class(x), collapse = ", ") | ||
| class_s <- paste(class, collapse = ", ") | ||
| expectation_legacy( | ||
| inherits(x, class), | ||
| paste0("inherits from ", actual_s, " not ", class_s), | ||
| paste0("inherits from ", class_s) | ||
| ) | ||
| } | ||
| } | ||
|
|
||
| is_equivalent_to_legacy <- function(expected, label = NULL) { | ||
| if (is.null(label)) { | ||
| label <- findExpr("expected") | ||
| } else if (!is.character(label) || length(label) != 1) { | ||
| label <- deparse(label) | ||
| } | ||
| function(actual) { | ||
| equals_legacy(expected, check.attributes = FALSE)(actual) | ||
| } | ||
| } | ||
|
|
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| is_identical_to_legacy <- function(expected, label = NULL) { | ||
| if (is.null(label)) { | ||
| label <- findExpr("expected") | ||
| } else if (!is.character(label) || length(label) != 1) { | ||
| label <- deparse(label) | ||
| } | ||
|
|
||
| function(actual) { | ||
| if (identical(actual, expected)) { | ||
| diff <- "" | ||
| } else { | ||
| same <- all.equal(expected, actual) | ||
| if (isTRUE(same)) { | ||
| diff <- "Objects equal but not identical" | ||
| } else { | ||
| diff <- paste0(same, collapse = "\n") | ||
| } | ||
| } | ||
|
|
||
| expectation_legacy( | ||
| identical(actual, expected), | ||
| paste0("is not identical to ", label, ". Differences: \n", diff), | ||
| paste0("is identical to ", label) | ||
| ) | ||
| } | ||
| } | ||
|
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||
| matches_legacy <- function(regexp, all = TRUE, ...) { | ||
| stopifnot(is.character(regexp), length(regexp) == 1) | ||
| function(char) { | ||
| matches <- grepl(regexp, char, ...) | ||
| if (length(char) > 1) { | ||
| values <- paste0("Actual values:\n", | ||
| paste0("* ", encodeString(char), collapse = "\n")) | ||
| } else { | ||
| values <- paste0("Actual value: \"", encodeString(char), "\"") | ||
| } | ||
|
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| expectation_legacy( | ||
| length(matches) > 0 && if (all) all(matches) else any(matches), | ||
| paste0("does not match '", encodeString(regexp), "'. ", values), | ||
| paste0("matches '", encodeString(regexp), "'") | ||
| ) | ||
| } | ||
| } |
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