df_var <- data.frame( l = c(T, F, F), i = c(1, 1, 2), d = Sys.Date() + c(1, 1, 2), f = factor(letters[c(1, 1, 2)]), n = c(1, 1, 2) + 0.5, t = Sys.time() + c(1, 1, 2), c = letters[c(1, 1, 2)], stringsAsFactors = FALSE ) test_that("bind_rows handles complex. #933", { df1 <- data.frame(r = c(1 + 1i, 2 - 1i)) df2 <- data.frame(r = c(1 - 1i, 2 + 1i)) df3 <- bind_rows(df1, df2) expect_equal(nrow(df3), 4L) expect_equal(df3$r, c(df1$r, df2$r)) }) test_that("bind_rows is careful about column names encoding #1265", { one <- data.frame(foo = 1:3, bar = 1:3) names(one) <- c("f\u00fc", "bar") two <- data.frame(foo = 1:3, bar = 1:3) names(two) <- c("f\u00fc", "bar") Encoding(names(one)[1]) <- "UTF-8" expect_equal(names(one), names(two)) res <- bind_rows(one, two) expect_equal(ncol(res), 2L) }) test_that("bind_rows handles POSIXct (#1125)", { df1 <- data.frame(date = as.POSIXct(NA)) df2 <- data.frame(date = as.POSIXct("2015-05-05")) res <- bind_rows(df1, df2) expect_equal(nrow(res), 2L) expect_true(is.na(res$date[1])) }) test_that("bind_rows respects ordered factors (#1112)", { l <- c("a", "b", "c", "d") id <- factor(c("a", "c", "d"), levels = l, ordered = TRUE) df <- data.frame(id = rep(id, 2), val = rnorm(6)) res <- bind_rows(df, df) expect_s3_class(res$id, "ordered") expect_equal(levels(df$id), levels(res$id)) }) test_that("bind handles POSIXct of different tz ", { date1 <- structure(-1735660800, tzone = "America/Chicago", class = c("POSIXct", "POSIXt")) date2 <- structure(-1735660800, tzone = "UTC", class = c("POSIXct", "POSIXt")) date3 <- structure(-1735660800, class = c("POSIXct", "POSIXt")) df1 <- data.frame(date = date1) df2 <- data.frame(date = date2) df3 <- data.frame(date = date3) res <- bind_rows(df1, df2) expect_equal(attr(res$date, "tzone"), "America/Chicago") res <- bind_rows(df1, df3) expect_equal(attr(res$date, "tzone"), "America/Chicago") res <- bind_rows(df2, df3) expect_equal(attr(res$date, "tzone"), "UTC") res <- bind_rows(df3, df3) expect_equal(attr(res$date, "tzone"), "") res <- bind_rows(df1, df2, df3) expect_equal(attr(res$date, "tzone"), "America/Chicago") }) test_that("bind_rows() creates a column of identifiers (#1337)", { data1 <- mtcars[c(2, 3), ] data2 <- mtcars[1, ] out <- bind_rows(data1, data2, .id = "col") out_list <- bind_rows(list(data1, data2), .id = "col") expect_equal(names(out)[1], "col") expect_equal(out$col, c("1", "1", "2")) expect_equal(out_list$col, c("1", "1", "2")) out_labelled <- bind_rows(one = data1, two = data2, .id = "col") out_list_labelled <- bind_rows(list(one = data1, two = data2), .id = "col") expect_equal(out_labelled$col, c("one", "one", "two")) expect_equal(out_list_labelled$col, c("one", "one", "two")) }) test_that("empty data frame are handled (#1346)", { res <- tibble() %>% bind_rows(tibble(x = "a")) expect_equal(nrow(res), 1L) }) test_that("bind_rows handles POSIXct stored as integer (#1402)", { now <- Sys.time() df1 <- data.frame(time = now) expect_equal(class(bind_rows(df1)$time), c("POSIXct", "POSIXt")) df2 <- data.frame(time = seq(now, length.out = 1, by = 1)) expect_equal(class(bind_rows(df2)$time), c("POSIXct", "POSIXt")) res <- bind_rows(df1, df2) expect_equal(class(res$time), c("POSIXct", "POSIXt")) expect_true(all(res$time == c(df1$time, df2$time))) }) test_that("bind_rows() correctly handles consecutive NULLs (#4296)", { res <- list( a = tibble(expected_id = "a"), b = NULL, c = NULL, d = tibble(expected_id = "d"), c = NULL, e = tibble(expected_id = "e") ) %>% bind_rows(.id = "id") expect_equal(res$id, res$expected_id) })
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