Nothing
acontext("NA separate lines")
data(txhousing)
## ggplot2 draws separate lines when there are missing values.
## san.marcos <- subset(txhousing, city=="San Marcos")
## ggplot()+
## geom_line(aes(x = date, y = median),
## data=san.marcos)
viz <- list(
ggdata=ggplot(txhousing)+
geom_line(aes(x = date, y = median, group = city),
clickSelects="city",
alpha = 0.6),
selected=ggplot()+
geom_line(aes(x = date, y = median, group = city),
showSelected="city",
data=txhousing),
first=list(city="San Marcos")
)
info <- animint2HTML(viz)
test_that("no NA in tsv files", {
geom1.tsv <- file.path("animint-htmltest", "geom1_line_ggdata_chunk1.tsv")
geom1.data <- read.table(geom1.tsv, sep="\t", header=TRUE)
expect_equal(sum(is.na(geom1.data)), 0)
})
test_that("three <path> rendered for highlighted San Marcos", {
xpath <- '//g[@class="geom1_line_ggdata"]//path'
path.list <- getNodeSet(info$html, xpath)
opacity.str <- getStyleValue(info$html, xpath, "opacity")
opacity.num <- as.numeric(opacity.str)
hilite.list <- path.list[opacity.num == 0.6]
expect_equal(length(hilite.list), 3)
})
test_that("three <path> rendered for selected San Marcos", {
path.list <- getNodeSet(info$html, '//g[@class="geom2_line_selected"]//path')
expect_equal(length(path.list), 3)
})
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