1 files changed, 124 insertions, 0 deletions
diff --git a/tests/test-lookup.R b/tests/test-lookup.R
new file mode 100644
index 0000000..0223f4d
--- /dev/null
+++ b/tests/test-lookup.R
@@ -0,0 +1,124 @@
+library(cepis)
+source(file.path("helper", "utils.R"))
+
+with_server(
+  list(route("/01001000", response(200L, json(SE_ADDRESS)))),
+  function(client, server) {
+    address <- cep_lookup("01001-000", client)
+    check("lookup reads the address", identical(address$localidade, "S\u00e3o Paulo"))
+    check("lookup reads the state", identical(address$uf, "SP"))
+    check("lookup keeps the CEP unmasked", identical(address$cep, "01001000"))
+    check("formatted_cep masks the address", identical(formatted_cep(address), "01001-000"))
+    check("an address without geo has geo NULL", is.null(address$geo))
+    check("the address is a cepis_address", inherits(address, "cepis_address"))
+  }
+)
+
+precise <- c(SE_ADDRESS, list(geo = list(
+  lat = -23.5, lon = -46.6, raio_m = 120L, precisao = "logradouro"
+)))
+with_server(
+  list(route("/01310100", response(200L, json(precise)))),
+  function(client, server) {
+    address <- cep_lookup("01310100", client)
+    check("the coordinate is read", isTRUE(all.equal(address$geo$lat, -23.5)))
+    check("raio_m is an integer", identical(address$geo$raio_m, 120L))
+    check("a street coordinate is precise", isTRUE(address$geo$is_precise))
+  }
+)
+
+municipality <- c(SE_ADDRESS, list(geo = list(
+  lat = -23.5, lon = -46.6, raio_m = 22000L, precisao = "localidade"
+)))
+with_server(
+  list(route("/01001000", response(200L, json(municipality)))),
+  function(client, server) {
+    address <- cep_lookup("01001000", client)
+    check(
+      "a municipality coordinate is not precise",
+      isFALSE(address$geo$is_precise)
+    )
+  }
+)
+
+broken <- c(SE_ADDRESS, list(geo = list(lat = "not a number")))
+with_server(
+  list(route("/01001000", response(200L, json(broken)))),
+  function(client, server) {
+    address <- cep_lookup("01001000", client)
+    check("a malformed geo is dropped", is.null(address$geo))
+    check(
+      "a malformed geo does not lose the address",
+      identical(address$localidade, "S\u00e3o Paulo")
+    )
+  }
+)
+
+grown <- c(SE_ADDRESS, list(campo_do_futuro = "value"))
+with_server(
+  list(route("/01001000", response(200L, json(grown)))),
+  function(client, server) {
+    address <- cep_lookup("01001000", client)
+    check(
+      "an unknown field is kept in raw",
+      identical(address$raw$campo_do_futuro, "value")
+    )
+  }
+)
+
+with_server(
+  list(route(
+    "/99999999",
+    response(404L, json(list(erro = "cep_nao_encontrado", mensagem = "gone")))
+  )),
+  function(client, server) {
+    condition <- check_condition(
+      "a missing CEP signals cepis_not_found",
+      cep_lookup("99999999", client),
+      "cepis_not_found"
+    )
+    check("the condition carries the CEP", identical(condition$cep, "99999999"))
+    check("404 is not retried, it is a definitive answer", calls(server, "/99999999") == 1L)
+  }
+)
+
+with_server(
+  list(route("/01001000", response(200L, json(SE_ADDRESS)))),
+  function(client, server) {
+    check_condition(
+      "a malformed CEP never leaves the machine",
+      cep_lookup("123", client),
+      "cepis_invalid_cep"
+    )
+    check("no request was made for it", calls(server) == 0L)
+  }
+)
+
+with_server(
+  list(route(
+    "/00000000",
+    response(400L, json(list(erro = "cep_invalido", mensagem = "rejected by the API")))
+  )),
+  function(client, server) {
+    condition <- check_condition(
+      "a 400 becomes cepis_invalid_cep",
+      cep_lookup("00000000", client),
+      "cepis_invalid_cep"
+    )
+    check(
+      "it carries the message the API sent",
+      grepl("rejected by the API", conditionMessage(condition), fixed = TRUE)
+    )
+  }
+)
+
+with_server(
+  list(route("/01001000", response(200L, "<html>captive portal</html>"))),
+  function(client, server) {
+    check_condition(
+      "a body that is not JSON signals cepis_invalid_response",
+      cep_lookup("01001000", client),
+      "cepis_invalid_response"
+    )
+  }
+)