Nothing
targets::tar_test("tar_render() works", {
skip_rmarkdown()
lines <- c(
"---",
"title: report",
"output_format: html_document",
"---",
"",
"```{r}",
"targets::tar_read(data)",
"```"
)
writeLines(lines, "report.Rmd")
targets::tar_script({
library(tarchetypes)
list(
tar_target(data, data.frame(x = seq_len(26L), y = letters)),
tar_render(report, "report.Rmd", quiet = TRUE)
)
})
# First run.
suppressMessages(targets::tar_make(callr_function = NULL))
progress <- targets::tar_progress()
progress <- progress[progress$progress != "skipped", ]
expect_equal(sort(progress$name), sort(c("data", "report")))
out <- targets::tar_read(report)
expect_equal(basename(out), c("report.html", "report.Rmd"))
# Should not rerun the report.
suppressMessages(targets::tar_make(callr_function = NULL))
progress <- targets::tar_progress()
progress <- progress[progress$progress != "skipped", ]
expect_equal(nrow(progress), 0L)
targets::tar_script({
library(tarchetypes)
list(
tar_target(data, data.frame(x = rev(seq_len(26L)), y = letters)),
tar_render(report, "report.Rmd")
)
})
# Should rerun the report.
suppressMessages(targets::tar_make(callr_function = NULL))
expect_equal(sort(targets::tar_progress()$name), sort(c("data", "report")))
})
targets::tar_test("tar_render(nested) runs from the project root", {
skip_rmarkdown()
lines <- c(
"---",
"title: report",
"output_format: html_document",
"---",
"",
"```{r}",
"file.create(\"here\")",
"```"
)
dir.create("out_tar_render")
writeLines(lines, file.path("out_tar_render", "report.Rmd"))
targets::tar_script({
library(tarchetypes)
list(
tar_render(report, file.path("out_tar_render", "report.Rmd"))
)
})
expect_false(file.exists("here"))
expect_false(file.exists(file.path("out_tar_render", "here")))
suppressMessages(targets::tar_make(callr_function = NULL))
expect_true(file.exists("here"))
expect_false(file.exists(file.path("out_tar_render", "here")))
})
targets::tar_test("tar_render() with custom output_file and working dir", {
skip_on_cran()
skip_on_os("windows")
skip_rmarkdown()
lines <- c(
"---",
"title: report",
"output_format: html_document",
"---",
"",
"```{r}",
"targets::tar_read(upstream, store = '../_targets')",
"file.create(\"here\")",
"```"
)
dir.create("out_tar_render")
writeLines(lines, "report.Rmd")
targets::tar_script({
library(tarchetypes)
list(
tar_target(upstream, "UPSTREAM_SUCCEEDED"),
tar_render(
name = report,
path = "report.Rmd",
output_file = file.path("out_tar_render", "report.html"),
working_directory = "out_tar_render"
)
)
})
expect_false(file.exists("here"))
expect_false(file.exists(file.path("out_tar_render", "here")))
suppressMessages(targets::tar_make(callr_function = NULL))
expect_false(file.exists("here"))
expect_true(file.exists(file.path("out_tar_render", "here")))
lines <- readLines(file.path("out_tar_render", "report.html"))
expect_true(any(grepl("UPSTREAM_SUCCEEDED", lines)))
expect_equal(
sort(targets::tar_read(report)),
sort(c(file.path("out_tar_render", "report.html"), "report.Rmd"))
)
expect_equal(targets::tar_outdated(callr_function = NULL), character(0L))
})
targets::tar_test("tar_render() for parameterized reports", {
skip_rmarkdown()
lines <- c(
"---",
"title: report",
"output_format: html_document",
"params:",
" param1: \"default\"",
" param2: \"default\"",
"---",
"```{r}",
"print(params$param1)",
"print(params$param2)",
"```"
)
writeLines(lines, "report.Rmd")
targets::tar_script({
library(tarchetypes)
value <- "abcd1234verydistinctvalue"
list(
tar_target(upstream, "anotherverydistinctvalue"),
tar_render(
report,
"report.Rmd",
params = list(param1 = !!value, param2 = upstream)
)
)
})
suppressMessages(targets::tar_make(callr_function = NULL))
lines <- readLines("report.html")
expect_true(any(grepl("anotherverydistinctvalue", lines)))
})
targets::tar_test("tar_render() with a _files/ directory", {
skip_rmarkdown()
lines <- c(
"---",
"title: report with a plot",
"output_format: html_document",
"---",
"```{r}",
"plot(seq_len(4))",
"```"
)
writeLines(lines, "report.Rmd")
targets::tar_script({
library(tarchetypes)
list(tar_render(report, "report.Rmd", clean = FALSE))
})
suppressMessages(targets::tar_make(callr_function = NULL))
expect_equal(
basename(targets::tar_read(report)),
c("report.html", "report.Rmd", "report_files")
)
})
targets::tar_test("tar_render() works with child documents", {
skip_on_cran()
skip_rmarkdown()
# Create a main file and a child file in a subdirectory
dir.create("report")
writeLines(
text = c(
"---",
"title: report",
"output_format: html_document",
"---",
"",
"```{r, child = \"report/child.Rmd\"}",
"```",
"",
"```{r}",
"targets::tar_read(main)",
"```"
),
con = "report/main.Rmd"
)
writeLines(
text = c(
"# Child Document",
"",
"```{r}",
"targets::tar_read(child)",
"```"
),
con = "report/child.Rmd"
)
targets::tar_script({
library(targets)
library(tarchetypes)
list(
tar_target(main, "value_main_target"),
tar_target(child, "value_child_target"),
tar_render(report, "report/main.Rmd", quiet = TRUE)
)
})
# First run.
suppressMessages(targets::tar_make(callr_function = NULL))
progress <- targets::tar_progress()
progress <- progress[progress$progress != "skipped", ]
expect_equal(sort(progress$name), sort(c("child", "main", "report")))
out <- targets::tar_read(report)
if (identical(tolower(Sys.info()[["sysname"]]), "windows")) {
expect_equal(basename(out), c("main.html", "main.Rmd"))
} else {
expect_equal(out, c("report/main.html", "report/main.Rmd"))
}
# Should not rerun the report.
suppressMessages(targets::tar_make(callr_function = NULL))
progress <- targets::tar_progress()
progress <- progress[progress$progress != "skipped", ]
expect_equal(nrow(progress), 0L)
# Should rerun the report.
# Only the dependency in the main document is changed.
targets::tar_script({
library(targets)
library(tarchetypes)
list(
tar_target(main, "value_main_target_changed"),
tar_target(child, "value_child_target"),
tar_render(report, "report/main.Rmd", quiet = TRUE)
)
})
suppressMessages(targets::tar_make(callr_function = NULL))
expect_equal(
sort(targets::tar_progress()$name),
sort(c("child", "main", "report"))
)
# Should rerun the report.
# Only the dependency in the child document is changed.
targets::tar_script({
library(targets)
library(tarchetypes)
list(
tar_target(main, "value_main_target_changed"),
tar_target(child, "value_child_target_changed"),
tar_render(report, "report/main.Rmd", quiet = TRUE)
)
})
suppressMessages(targets::tar_make(callr_function = NULL))
expect_equal(
sort(targets::tar_progress()$name),
sort(c("child", "main", "report"))
)
# Should rerun the report.
# Change the main file slightly (but not the code)
writeLines(
text = c(
"---",
"title: A new report",
"output_format: html_document",
"---",
"",
"```{r, child = \"report/child.Rmd\"}",
"```",
"",
"```{r}",
"targets::tar_read(main)",
"```"
),
con = "report/main.Rmd"
)
suppressMessages(targets::tar_make(callr_function = NULL))
expect_equal(
sort(targets::tar_progress()$name),
sort(c("child", "main", "report"))
)
# Should rerun the report.
# Change the child file slightly (but not the code)
writeLines(
text = c(
"# A New Child Document",
"",
"```{r}",
"targets::tar_read(child)",
"```"
),
con = "report/child.Rmd"
)
suppressMessages(targets::tar_make(callr_function = NULL))
expect_equal(
sort(targets::tar_progress()$name),
sort(c("child", "main", "report"))
)
# Detect whether `value_main_target_changed` and
# `value_child_target_changed` are correctly print in HTML file
# (the values should occure once in the HTML file)
html_file <- readLines("report/main.html")
expect_identical(
sum(grepl("value_main_target_changed", html_file, fixed = TRUE)),
1L
)
expect_identical(
sum(grepl("value_child_target_changed", html_file, fixed = TRUE)),
1L
)
# Check that the dependency graph is correct of our targets. `report` should
# depend on `main` and `child`.
edges <- tar_network(callr_function = NULL)$edges
edges <- edges[edges$to == "report",, drop = FALSE] # nolint
expect_identical(
edges,
tibble::tibble(
from = c("child", "main"),
to = c("report", "report")
)
)
})
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