context("igraph_version")
test_that("igraph_version returns a version string", {
## This is essentially a semver regex, we do not allow a
## leading 'v' and space after
regex <- paste0(
"\\b", # word boundary
"(?:0|[1-9][0-9]*)\\.", # major
"(?:0|[1-9][0-9]*)\\.", # minor
"(?:0|[1-9][0-9]*)", # patch
"(?:-[\\da-zA-Z\\-]+(?:\\.[\\da-zA-Z\\-]+)*)?", # prerelease
"(?:\\+[\\da-zA-Z\\-]+(?:\\.[\\da-zA-Z\\-]+)*)?", # word boundary
"\\b"
)
expect_true(grepl(regex, igraph_version()))
})
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