vcr log file setup
Arguments
- file
(character) a file path, required
- overwrite
(logical) whether or not to overwrite the file at 'file' if it already exists. Default:
TRUE- message
(character) a message to log
- include_date
(logical) include date and time in each log entry. Default:
FALSE
Examples
# user workflow
vcr_configuration()
#> <vcr configuration>
#> Cassette Dir: /tmp/Rtmpy0kwK6
#> Record: all
#> Serialize with: yaml
#> URI Parser: crul::url_parse
#> Match Requests on: method, uri
#> Preserve Bytes?: FALSE
#> Logging?: FALSE
#> ignored hosts: google.com
#> ignore localhost?: TRUE
#> Write disk path:
logfile <- file.path(tempdir(), "vcr.log")
vcr_configure(dir = tempdir(), log = TRUE, log_opts = list(file = logfile))
#> <vcr configuration>
#> Cassette Dir: /tmp/Rtmpy0kwK6
#> Record: all
#> Serialize with: yaml
#> URI Parser: crul::url_parse
#> Match Requests on: method, uri
#> Preserve Bytes?: FALSE
#> Logging?: TRUE (/tmp/Rtmpy0kwK6/vcr.log)
#> ignored hosts: google.com
#> ignore localhost?: TRUE
#> Write disk path:
readLines(logfile) # empty
#> character(0)
# log messages
vcr_log_info("hello world!")
readLines(logfile)
#> [1] "[Cassette: '<none>'] - 2024-04-04 06:42:12.562323 - hello world!"
vcr_log_info("foo bar")
readLines(logfile)
#> [1] "[Cassette: '<none>'] - 2024-04-04 06:42:12.562323 - hello world!"
#> [2] "[Cassette: '<none>'] - 2024-04-04 06:42:12.563892 - foo bar"
## many messages
vcr_log_info(c("brown cow", "blue horse"))
readLines(logfile)
#> [1] "[Cassette: '<none>'] - 2024-04-04 06:42:12.562323 - hello world!"
#> [2] "[Cassette: '<none>'] - 2024-04-04 06:42:12.563892 - foo bar"
#> [3] "[Cassette: '<none>'] - 2024-04-04 06:42:12.56542 - brown cow"
#> [4] "[Cassette: '<none>'] - 2024-04-04 06:42:12.56542 - blue horse"
vcr_log_info(c("brown cow", "blue horse", "green goat"))
readLines(logfile)
#> [1] "[Cassette: '<none>'] - 2024-04-04 06:42:12.562323 - hello world!"
#> [2] "[Cassette: '<none>'] - 2024-04-04 06:42:12.563892 - foo bar"
#> [3] "[Cassette: '<none>'] - 2024-04-04 06:42:12.56542 - brown cow"
#> [4] "[Cassette: '<none>'] - 2024-04-04 06:42:12.56542 - blue horse"
#> [5] "[Cassette: '<none>'] - 2024-04-04 06:42:12.566914 - brown cow"
#> [6] "[Cassette: '<none>'] - 2024-04-04 06:42:12.566914 - blue horse"
#> [7] "[Cassette: '<none>'] - 2024-04-04 06:42:12.566914 - green goat"
# standalone workflow
# set a file to log to
vcr_log_file((f <- tempfile()))
#> [1] TRUE
readLines(f) # empty
#> character(0)
# log messages
vcr_log_info("hello world!")
readLines(logfile)
#> [1] "[Cassette: '<none>'] - 2024-04-04 06:42:12.562323 - hello world!"
#> [2] "[Cassette: '<none>'] - 2024-04-04 06:42:12.563892 - foo bar"
#> [3] "[Cassette: '<none>'] - 2024-04-04 06:42:12.56542 - brown cow"
#> [4] "[Cassette: '<none>'] - 2024-04-04 06:42:12.56542 - blue horse"
#> [5] "[Cassette: '<none>'] - 2024-04-04 06:42:12.566914 - brown cow"
#> [6] "[Cassette: '<none>'] - 2024-04-04 06:42:12.566914 - blue horse"
#> [7] "[Cassette: '<none>'] - 2024-04-04 06:42:12.566914 - green goat"
vcr_log_info("foo bar")
readLines(logfile)
#> [1] "[Cassette: '<none>'] - 2024-04-04 06:42:12.562323 - hello world!"
#> [2] "[Cassette: '<none>'] - 2024-04-04 06:42:12.563892 - foo bar"
#> [3] "[Cassette: '<none>'] - 2024-04-04 06:42:12.56542 - brown cow"
#> [4] "[Cassette: '<none>'] - 2024-04-04 06:42:12.56542 - blue horse"
#> [5] "[Cassette: '<none>'] - 2024-04-04 06:42:12.566914 - brown cow"
#> [6] "[Cassette: '<none>'] - 2024-04-04 06:42:12.566914 - blue horse"
#> [7] "[Cassette: '<none>'] - 2024-04-04 06:42:12.566914 - green goat"
# cleanup
unlink(f)
unlink(logfile)