clear_ci_info <- function() {
  withr::local_envvar(
    c(
      JENKINS_URL = NA_character_,
      GIT_URL = NA_character_,
      GIT_URL_1 = NA_character_,
      CHANGE_ID = NA_character_,
      GIT_COMMIT = NA_character_
    ),
    .local_envir = parent.frame()
  )
}

test_that("it detects CI environments", {
  clear_ci_info()
  withr::with_envvar(
    c(TRAVIS_REPO_SLUG = "foo/bar"),
    expect_true(lintr:::in_ci())
  )
  withr::with_envvar(
    c(TRAVIS_REPO_SLUG = ""),
    expect_false(lintr:::in_ci())
  )
})

test_that("it returns NULL if GIT_URL is not on github", {
  clear_ci_info()
  withr::local_envvar(c(
    JENKINS_URL = "https://jenkins.example.org/",
    GIT_URL = "https://example.com/user/repo.git",
    CHANGE_ID = "123"
  ))
  expect_false(lintr:::in_ci())
})


test_that("it returns NULL for Jenkins PR build info when git URL is missing", {
  clear_ci_info()
  expect_null(lintr:::jenkins_build_info())
})

test_that("it determines Jenkins PR build info", {
  clear_ci_info()
  withr::with_envvar(
    c(
      JENKINS_URL = "https://jenkins.example.org/",
      GIT_URL = "https://github.com/user/repo.git",
      CHANGE_ID = "123"
    ),
    {
      expect_true(lintr:::in_ci())

      expect_identical(
        lintr:::ci_build_info(),
        list(user = "user", repo = "repo", pull = "123", commit = NULL)
      )
    }
  )

  withr::with_envvar(
    list(JENKINS_URL = NULL, GIT_URL = NULL, CHANGE_ID = NULL),
    expect_false(lintr:::in_ci())
  )
})

test_that("it determines Jenkins commit build info", {
  clear_ci_info()
  withr::local_envvar(c(
    JENKINS_URL = "https://jenkins.example.org/",
    GIT_URL_1 = "https://github.com/user/repo.git",
    GIT_COMMIT = "abcde"
  ))

  expect_true(lintr:::in_ci())
  expect_identical(lintr:::ci_build_info(), list(
    user = "user",
    repo = "repo",
    pull = NULL,
    commit = "abcde"
  ))
})