tests/testthat/test-sf.R

In gibble: Geometry Decomposition

context("test-sf.R")

data("hsh_sf", package = "gibble")
## a sf version of SpatialPolygons, SpatialLines, SpatialMultiPoints
SPS <- hsh_sf[["poly"]]
SLS <- hsh_sf[["line"]]
MPS <- hsh_sf[["point"]]

## a MULTIPOLYGON
P <- SPS[[1]]
## a vector of MULTIPOLYGONS
PS <- SPS

## a Line
L <- SLS[[1]]
## a Lines
LS <- SLS

test_that("sf ibble works", {
  dSPS <- ibble(SPS)
  expect_that(dim(dSPS), equals(c(9L, 5L)))
  dSLS <- ibble(SLS, 1)
  expect_that(dim(dSLS), equals(c(9L, 5L)))

  dMPS <- ibble(MPS)
  expect_that(dim(dMPS), equals(c(50L, 4L)))

  dP <- ibble(P)
  expect_that(dim(dP), equals(c(6L, 4L)))

  dPS <- ibble(PS)
  expect_that(dim(dPS), equals(c(9L, 5L)))

  dL <- ibble(L)
  expect_that(dim(dL), equals(c(6L, 4L)))

  dLS <- ibble(LS)
  expect_that(dim(dLS), equals(c(9L, 5L)))

})

test_that("sp gibble methods exist", {
  gibble.SpatialPolygons(SPS) %>% expect_s3_class("tbl_df") %>%
     expect_named(c("nrow", "ncol", "type", "subobject", "object"))

   gibble.SpatialLines(SLS)  %>% expect_s3_class("tbl_df") %>%
     expect_named(c("nrow", "ncol", "type", "subobject", "object"))

   gibble.SpatialMultiPoints(MPS) %>% expect_s3_class("tbl_df") %>%
     expect_named(c("nrow", "ncol", "type", "object"))

   gibble.Polygons(PS) %>% expect_s3_class("tbl_df") %>%
     expect_named(c("nrow", "ncol", "type", "subobject", "object"))

   gibble.Lines(LS) %>% expect_s3_class("tbl_df") %>%
     expect_named(c("nrow", "ncol", "type", "subobject", "object"))

   gibble.Polygon(P) %>% expect_s3_class("tbl_df") %>%
     expect_named(c("nrow", "ncol", "type", "subobject"))

   gibble.Line(L) %>% expect_s3_class("tbl_df") %>%
     expect_named(c("nrow", "ncol", "type", "subobject"))
})

test_that("sp dispatch works", {
  gibble(SPS) %>% expect_s3_class("tbl_df") %>%
    expect_named(c("nrow", "ncol", "type", "subobject", "object"))

  gibble(SLS)  %>% expect_s3_class("tbl_df") %>%
    expect_named(c("nrow", "ncol", "type", "subobject", "object"))

  gibble(MPS) %>% expect_s3_class("tbl_df") %>%
    expect_named(c("nrow", "ncol", "type", "object"))

  gibble(PS) %>% expect_s3_class("tbl_df") %>%
    expect_named(c("nrow", "ncol", "type", "subobject", "object"))

  gibble(LS) %>% expect_s3_class("tbl_df") %>%
    expect_named(c("nrow", "ncol", "type", "subobject", "object"))

  gibble(P) %>% expect_s3_class("tbl_df") %>%
    expect_named(c("nrow", "ncol", "type", "subobject"))

  gibble(L) %>% expect_s3_class("tbl_df") %>%
    expect_named(c("nrow", "ncol", "type"))
})

#
# test_that("tests from silicate work", {
#   spobj <- minimal_mesh_sp
#   splineobj <- minimal_mesh_sp_line
#   gibble(spobj) %>% expect_s3_class("tbl_df")
#   gibble(splineobj) %>% expect_s3_class("tbl_df")
#
#   expect_that(gibble(hsh$line)$object, equals(c(1, 1, 1, 1, 1, 1, 2, 3, 3)))
#   #expect_that(gibble(MPS)$object, equals(c(1L, 2L, 3L)))
#
# }
# )