More tests of importNet.STRING(); added test for igraph::simplify() i…

…n .df2gG()
elijah-tai · Feb 28, 2017 · 696322c · 696322c
1 parent fa48fe3
commit 696322c
Showing 1 changed file with 21 additions and 3 deletions.
diff --git a/tests/testthat/testImport.R b/tests/testthat/testImport.R
@@ -1,14 +1,32 @@
-# testMultiply.R
+# testImport.R
 #
 #
 context("import networks")
 
-test_that("importNet.STRING reads STRING data", {
+test_that("importNet.STRING produces gG from STRING data", {
     gG <- importNet.STRING(fName = "dataString.txt",
                            net = "experimental",
                            silent = TRUE,
                            noLog = TRUE)
-    expect_equal(igraph::vcount(gG), 5)
+    expect_equal(igraph::vcount(gG), 5)    # correct number of vertices
+    expect_equal(igraph::ecount(gG), 4)    # correct number of edges
+    expect_equal(igraph::graph_attr(gG)$gGversion, "1.0") # correct version
+    expect_equal(igraph::graph_attr(gG)$inFile, "dataString.txt") # metadata
+                                                                  # has been
+                                                                  # set
 })
 
+test_that(".df2gG simplifies the graph", {
+    netDF <- data.frame(a = c("crow", "duck", "crow", "crow"),
+                        b = c("duck", "crow", "duck", "crow"),
+                        weight = c(1, 2, 3, 4),
+                        stringsAsFactors = FALSE)
+    gG <- .df2gG(inFile = "dummy.txt", call = "dummy(arg = 1)")
+    expect_equal(igraph::vcount(gG), 2)    # only duck and crow
+    expect_equal(igraph::ecount(gG), 2)    # 1 duplicate, 1 self-edge removed
+    expect_equal(igraph::edge_attr(gG)$weight, c(3, 2)) # correct weights
+})
+
+
+
 # [END]