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context("qplot")
test_that("qplot works with variables in data frame and parent env", {
df <- data.frame(x = 1:10, a = 1:10)
y <- 1:10
b <- 1:10
expect_is(qplot(x, y, data = df), "ggplot")
expect_is(qplot(x, y, data = df, colour = a), "ggplot")
expect_is(qplot(x, y, data = df, colour = b), "ggplot")
bin <- 1
expect_is(qplot(x, data = df, binwidth = bin), "ggplot")
})
test_that("qplot works in non-standard environments", {
env <- new.env(parent = globalenv())
expr <- quote({
`-1-` <- 10
x <- 1:10
qplot(x, breaks = 0:`-1-`)
})
expect_is(eval(expr, env), "ggplot")
})
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