context("test-projection")
skip_not_travis <- function ()
{
if (identical(Sys.getenv("TRAVIS"), "true")) {
return(invisible(TRUE))
}
skip("Not on Travis")
}
transform_models <- 'transform_models.01'
test_that("preprocess_transform", {
nn_control <- list(method='annoy', metric='euclidean')
cds <- load_a549()
cds <- preprocess_cds(cds, num_dim=50, nn_control=nn_control, build_nn_index=TRUE)
cds <- preprocess_cds(cds, method='LSI', num_dim=50, nn_control=nn_control, build_nn_index=TRUE)
cds <- reduce_dimension(cds, preprocess_method='PCA', nn_control=nn_control, build_nn_index=TRUE)
save_transform_models(cds, directory_path=transform_models)
cds2 <- load_a549()
cds2 <- load_transform_models(cds2, directory_path=transform_models)
cds2 <- preprocess_transform(cds2)
cds2 <- preprocess_transform(cds2, reduction_method='LSI')
cds2 <- reduce_dimension_transform(cds2)
expect_equal(reducedDims(cds)[['PCA']][[1,1]], reducedDims(cds2)[['PCA']][[1,1]], tol=1e-6)
expect_equal(reducedDims(cds)[['PCA']][[2,1]], reducedDims(cds2)[['PCA']][[2,1]], tol=1e-6)
expect_equal(reducedDims(cds)[['PCA']][[1,2]], reducedDims(cds2)[['PCA']][[1,2]], tol=1e-6)
expect_equal(reducedDims(cds)[['LSI']][[1,1]], reducedDims(cds2)[['LSI']][[1,1]], tol=1e-6)
expect_equal(reducedDims(cds)[['LSI']][[2,1]], reducedDims(cds2)[['LSI']][[2,1]], tol=1e-6)
expect_equal(reducedDims(cds)[['LSI']][[1,2]], reducedDims(cds2)[['LSI']][[1,2]], tol=1e-6)
expect_equal(reducedDims(cds)[['UMAP']][[1,1]], reducedDims(cds2)[['UMAP']][[1,1]], tol=1e-6)
expect_equal(reducedDims(cds)[['UMAP']][[2,1]], reducedDims(cds2)[['UMAP']][[2,1]], tol=1e-6)
expect_equal(reducedDims(cds)[['UMAP']][[1,2]], reducedDims(cds2)[['UMAP']][[1,2]], tol=1e-6)
system(paste0('rm -rf ', transform_models))
})
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