test_that("plot fails with more than four stations", {
skip_on_cran()
skip_on_travis()
skip_on_actions()
stns <- c("01AA002", "01AD001", "01AD002", "01AD003", "01AD004")
four_stns <- hy_daily_flows(stns)
expect_error(plot(four_stns))
})
test_that("plot fails with non daily value", {
month <- hy_monthly_flows("05AA008", hydat_path = hy_test_db())
expect_error(plot(month))
})
test_that("plot succeeds with daily values", {
skip_on_travis()
dd <- hy_daily_flows("05AA008", hydat_path = hy_test_db())
plot_dd <- plot(dd)
expect_true(plot_dd)
})
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