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test_that("tbl and src classes include connection class", {
mf <- memdb_frame(x = 1, y = 2)
expect_true(inherits(mf, "tbl_SQLiteConnection"))
expect_true(inherits(mf$src, "src_SQLiteConnection"))
})
test_that("generates S3 class based on S4 class name", {
con <- DBI::dbConnect(RSQLite::SQLite(), ":memory:")
expect_equal(
connection_s3_class(con),
c("src_SQLiteConnection", "src_dbi", "src_sql", "src")
)
on.exit(removeClass("Foo2"))
on.exit(removeClass("Foo1"))
Foo1 <- setClass("Foo1", contains = "DBIConnection")
Foo2 <- setClass("Foo2", contains = "Foo1")
expect_equal(
connection_s3_class(Foo2()),
c("src_Foo2", "src_Foo1", "src_dbi", "src_sql", "src")
)
})
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