From b79cd88f440fcb80cc5e3d84a7b8df6c5ac9a160 Mon Sep 17 00:00:00 2001
From: fchrstou <filippos.christou@ikr.uni-stuttgart.de>
Date: Sat, 31 Aug 2024 10:44:44 +0200
Subject: [PATCH] MInor changes

---
 src/metagraphml.jl               |  22 ++-
 test/Manifest.toml               | 147 +++++++-------
 test/metagraphsio.jl             |   6 +-
 test/runtests.jl                 |   4 +-
 test/testdata/ITZ_Aarnet.graphml | 317 +++++++++++++++++++++++++++++++
 test/testdata/ITZ_Sprint.graphml | 266 ++++++++++++++++++++++++++
 6 files changed, 686 insertions(+), 76 deletions(-)
 create mode 100644 test/testdata/ITZ_Aarnet.graphml
 create mode 100644 test/testdata/ITZ_Sprint.graphml

diff --git a/src/metagraphml.jl b/src/metagraphml.jl
index 2b3ae7f..4ef003c 100644
--- a/src/metagraphml.jl
+++ b/src/metagraphml.jl
@@ -63,17 +63,19 @@ function _get_key_props(doc::EzXML.Document)
     keynodes = findall("//x:key", doc.root, ["x"=>ns])
     keyprops = Dict{String,AttrKey}()
     for keynode in keynodes
-        attrtype = graphMLAttributesType[strip(keynode["attr.type"])]
-        keyadded = false
-        for childnode in EzXML.eachnode(keynode)
-            if EzXML.nodename(childnode) == "default"
-                defaultcontent = strip(nodecontent(childnode))
-                keyprops[keynode["id"]] = AttrKey(keynode["id"], keynode["attr.name"], graphlMLAttributesDomain[keynode["for"]], attrtype, attrtype == String ? defaultcontent : parse(attrtype, defaultcontent) )
-                keyadded = true
+        if any(x -> nodename(x)=="attr.type",attributes(keynode))
+            attrtype = graphMLAttributesType[strip(keynode["attr.type"])]
+            keyadded = false
+            for childnode in EzXML.eachnode(keynode)
+                if EzXML.nodename(childnode) == "default"
+                    defaultcontent = strip(nodecontent(childnode))
+                    keyprops[keynode["id"]] = AttrKey(keynode["id"], keynode["attr.name"], graphlMLAttributesDomain[keynode["for"]], attrtype, attrtype == String ? defaultcontent : parse(attrtype, defaultcontent) )
+                    keyadded = true
+                end
+            end
+            if !keyadded
+                keyprops[keynode["id"]] = AttrKey(keynode["id"], keynode["attr.name"], graphlMLAttributesDomain[keynode["for"]], attrtype, nothing )
             end
-        end
-        if !keyadded
-            keyprops[keynode["id"]] = AttrKey(keynode["id"], keynode["attr.name"], graphlMLAttributesDomain[keynode["for"]], attrtype, nothing )
         end
     end
     return keyprops
diff --git a/test/Manifest.toml b/test/Manifest.toml
index 4a41976..567ed62 100644
--- a/test/Manifest.toml
+++ b/test/Manifest.toml
@@ -1,13 +1,13 @@
 # This file is machine-generated - editing it directly is not advised
 
-julia_version = "1.9.1"
+julia_version = "1.10.4"
 manifest_format = "2.0"
 project_hash = "fd4b68bfd9948c52096ec5fe8b1aea5986f0fb1d"
 
 [[deps.AbstractTrees]]
-git-tree-sha1 = "faa260e4cb5aba097a73fab382dd4b5819d8ec8c"
+git-tree-sha1 = "2d9c9a55f9c93e8887ad391fbae72f8ef55e1177"
 uuid = "1520ce14-60c1-5f80-bbc7-55ef81b5835c"
-version = "0.4.4"
+version = "0.4.5"
 
 [[deps.ArgTools]]
 uuid = "0dad84c5-d112-42e6-8d28-ef12dabb789f"
@@ -15,9 +15,9 @@ version = "1.1.1"
 
 [[deps.ArnoldiMethod]]
 deps = ["LinearAlgebra", "Random", "StaticArrays"]
-git-tree-sha1 = "62e51b39331de8911e4a7ff6f5aaf38a5f4cc0ae"
+git-tree-sha1 = "d57bd3762d308bded22c3b82d033bff85f6195c6"
 uuid = "ec485272-7323-5ecc-a04f-4719b315124d"
-version = "0.2.0"
+version = "0.4.0"
 
 [[deps.Artifacts]]
 uuid = "56f22d72-fd6d-98f1-02f0-08ddc0907c33"
@@ -26,10 +26,10 @@ uuid = "56f22d72-fd6d-98f1-02f0-08ddc0907c33"
 uuid = "2a0f44e3-6c83-55bd-87e4-b1978d98bd5f"
 
 [[deps.Compat]]
-deps = ["UUIDs"]
-git-tree-sha1 = "4e88377ae7ebeaf29a047aa1ee40826e0b708a5d"
+deps = ["TOML", "UUIDs"]
+git-tree-sha1 = "b1c55339b7c6c350ee89f2c1604299660525b248"
 uuid = "34da2185-b29b-5c13-b0c7-acf172513d20"
-version = "4.7.0"
+version = "4.15.0"
 weakdeps = ["Dates", "LinearAlgebra"]
 
     [deps.Compat.extensions]
@@ -38,13 +38,13 @@ weakdeps = ["Dates", "LinearAlgebra"]
 [[deps.CompilerSupportLibraries_jll]]
 deps = ["Artifacts", "Libdl"]
 uuid = "e66e0078-7015-5450-92f7-15fbd957f2ae"
-version = "1.0.2+0"
+version = "1.1.1+0"
 
 [[deps.DataStructures]]
 deps = ["Compat", "InteractiveUtils", "OrderedCollections"]
-git-tree-sha1 = "cf25ccb972fec4e4817764d01c82386ae94f77b4"
+git-tree-sha1 = "1d0a14036acb104d9e89698bd408f63ab58cdc82"
 uuid = "864edb3b-99cc-5e75-8d2d-829cb0a9cfe8"
-version = "0.18.14"
+version = "0.18.20"
 
 [[deps.Dates]]
 deps = ["Printf"]
@@ -78,15 +78,15 @@ version = "1.6.0"
 
 [[deps.EzXML]]
 deps = ["Printf", "XML2_jll"]
-git-tree-sha1 = "0fa3b52a04a4e210aeb1626def9c90df3ae65268"
+git-tree-sha1 = "380053d61bb9064d6aa4a9777413b40429c79901"
 uuid = "8f5d6c58-4d21-5cfd-889c-e3ad7ee6a615"
-version = "1.1.0"
+version = "1.2.0"
 
 [[deps.FileIO]]
 deps = ["Pkg", "Requires", "UUIDs"]
-git-tree-sha1 = "299dc33549f68299137e51e6d49a13b5b1da9673"
+git-tree-sha1 = "82d8afa92ecf4b52d78d869f038ebfb881267322"
 uuid = "5789e2e9-d7fb-5bc7-8068-2c6fae9b9549"
-version = "1.16.1"
+version = "1.16.3"
 
 [[deps.FileWatching]]
 uuid = "7b1f6079-737a-58dc-b8bc-7a2ca5c1b5ee"
@@ -111,58 +111,63 @@ version = "0.7.0"
 
 [[deps.Graphs]]
 deps = ["ArnoldiMethod", "Compat", "DataStructures", "Distributed", "Inflate", "LinearAlgebra", "Random", "SharedArrays", "SimpleTraits", "SparseArrays", "Statistics"]
-git-tree-sha1 = "1cf1d7dcb4bc32d7b4a5add4232db3750c27ecb4"
+git-tree-sha1 = "ebd18c326fa6cee1efb7da9a3b45cf69da2ed4d9"
 uuid = "86223c79-3864-5bf0-83f7-82e725a168b6"
-version = "1.8.0"
+version = "1.11.2"
 
 [[deps.Inflate]]
-git-tree-sha1 = "5cd07aab533df5170988219191dfad0519391428"
+git-tree-sha1 = "d1b1b796e47d94588b3757fe84fbf65a5ec4a80d"
 uuid = "d25df0c9-e2be-5dd7-82c8-3ad0b3e990b9"
-version = "0.1.3"
+version = "0.1.5"
 
 [[deps.InteractiveUtils]]
 deps = ["Markdown"]
 uuid = "b77e0a4c-d291-57a0-90e8-8db25a27a240"
 
 [[deps.JLD2]]
-deps = ["FileIO", "MacroTools", "Mmap", "OrderedCollections", "Pkg", "Printf", "Reexport", "Requires", "TranscodingStreams", "UUIDs"]
-git-tree-sha1 = "42c17b18ced77ff0be65957a591d34f4ed57c631"
+deps = ["FileIO", "MacroTools", "Mmap", "OrderedCollections", "Pkg", "PrecompileTools", "Reexport", "Requires", "TranscodingStreams", "UUIDs", "Unicode"]
+git-tree-sha1 = "5fe858cb863e211c6dedc8cce2dc0752d4ab6e2b"
 uuid = "033835bb-8acc-5ee8-8aae-3f567f8a3819"
-version = "0.4.31"
+version = "0.4.50"
 
 [[deps.JLLWrappers]]
-deps = ["Preferences"]
-git-tree-sha1 = "abc9885a7ca2052a736a600f7fa66209f96506e1"
+deps = ["Artifacts", "Preferences"]
+git-tree-sha1 = "7e5d6779a1e09a36db2a7b6cff50942a0a7d0fca"
 uuid = "692b3bcd-3c85-4b1f-b108-f13ce0eb3210"
-version = "1.4.1"
+version = "1.5.0"
 
 [[deps.LibCURL]]
 deps = ["LibCURL_jll", "MozillaCACerts_jll"]
 uuid = "b27032c2-a3e7-50c8-80cd-2d36dbcbfd21"
-version = "0.6.3"
+version = "0.6.4"
 
 [[deps.LibCURL_jll]]
 deps = ["Artifacts", "LibSSH2_jll", "Libdl", "MbedTLS_jll", "Zlib_jll", "nghttp2_jll"]
 uuid = "deac9b47-8bc7-5906-a0fe-35ac56dc84c0"
-version = "7.84.0+0"
+version = "8.4.0+0"
 
 [[deps.LibGit2]]
-deps = ["Base64", "NetworkOptions", "Printf", "SHA"]
+deps = ["Base64", "LibGit2_jll", "NetworkOptions", "Printf", "SHA"]
 uuid = "76f85450-5226-5b5a-8eaa-529ad045b433"
 
+[[deps.LibGit2_jll]]
+deps = ["Artifacts", "LibSSH2_jll", "Libdl", "MbedTLS_jll"]
+uuid = "e37daf67-58a4-590a-8e99-b0245dd2ffc5"
+version = "1.6.4+0"
+
 [[deps.LibSSH2_jll]]
 deps = ["Artifacts", "Libdl", "MbedTLS_jll"]
 uuid = "29816b5a-b9ab-546f-933c-edad1886dfa8"
-version = "1.10.2+0"
+version = "1.11.0+1"
 
 [[deps.Libdl]]
 uuid = "8f399da3-3557-5675-b5ff-fb832c97cbdb"
 
 [[deps.Libiconv_jll]]
-deps = ["Artifacts", "JLLWrappers", "Libdl", "Pkg"]
-git-tree-sha1 = "c7cb1f5d892775ba13767a87c7ada0b980ea0a71"
+deps = ["Artifacts", "JLLWrappers", "Libdl"]
+git-tree-sha1 = "f9557a255370125b405568f9767d6d195822a175"
 uuid = "94ce4f54-9a6c-5748-9c1c-f9c7231a4531"
-version = "1.16.1+2"
+version = "1.17.0+0"
 
 [[deps.LinearAlgebra]]
 deps = ["Libdl", "OpenBLAS_jll", "libblastrampoline_jll"]
@@ -173,9 +178,9 @@ uuid = "56ddb016-857b-54e1-b83d-db4d58db5568"
 
 [[deps.MacroTools]]
 deps = ["Markdown", "Random"]
-git-tree-sha1 = "42324d08725e200c23d4dfb549e0d5d89dede2d2"
+git-tree-sha1 = "2fa9ee3e63fd3a4f7a9a4f4744a52f4856de82df"
 uuid = "1914dd2f-81c6-5fcd-8719-6d5c9610ff09"
-version = "0.5.10"
+version = "0.5.13"
 
 [[deps.Markdown]]
 deps = ["Base64"]
@@ -184,7 +189,7 @@ uuid = "d6f4376e-aef5-505a-96c1-9c027394607a"
 [[deps.MbedTLS_jll]]
 deps = ["Artifacts", "Libdl"]
 uuid = "c8ffd9c3-330d-5841-b78e-0817d7145fa1"
-version = "2.28.2+0"
+version = "2.28.2+1"
 
 [[deps.MetaGraphs]]
 deps = ["Graphs", "JLD2", "Random"]
@@ -197,7 +202,7 @@ uuid = "a63ad114-7e13-5084-954f-fe012c677804"
 
 [[deps.MozillaCACerts_jll]]
 uuid = "14a3606d-f60d-562e-9121-12d972cd8159"
-version = "2022.10.11"
+version = "2023.1.10"
 
 [[deps.NestedGraphs]]
 deps = ["AbstractTrees", "DocStringExtensions", "Graphs", "SimpleTraits"]
@@ -226,23 +231,29 @@ version = "1.2.0"
 [[deps.OpenBLAS_jll]]
 deps = ["Artifacts", "CompilerSupportLibraries_jll", "Libdl"]
 uuid = "4536629a-c528-5b80-bd46-f80d51c5b363"
-version = "0.3.21+4"
+version = "0.3.23+4"
 
 [[deps.OrderedCollections]]
-git-tree-sha1 = "d321bf2de576bf25ec4d3e4360faca399afca282"
+git-tree-sha1 = "dfdf5519f235516220579f949664f1bf44e741c5"
 uuid = "bac558e1-5e72-5ebc-8fee-abe8a469f55d"
-version = "1.6.0"
+version = "1.6.3"
 
 [[deps.Pkg]]
 deps = ["Artifacts", "Dates", "Downloads", "FileWatching", "LibGit2", "Libdl", "Logging", "Markdown", "Printf", "REPL", "Random", "SHA", "Serialization", "TOML", "Tar", "UUIDs", "p7zip_jll"]
 uuid = "44cfe95a-1eb2-52ea-b672-e2afdf69b78f"
-version = "1.9.0"
+version = "1.10.0"
+
+[[deps.PrecompileTools]]
+deps = ["Preferences"]
+git-tree-sha1 = "5aa36f7049a63a1528fe8f7c3f2113413ffd4e1f"
+uuid = "aea7be01-6a6a-4083-8856-8a6e6704d82a"
+version = "1.2.1"
 
 [[deps.Preferences]]
 deps = ["TOML"]
-git-tree-sha1 = "7eb1686b4f04b82f96ed7a4ea5890a4f0c7a09f1"
+git-tree-sha1 = "9306f6085165d270f7e3db02af26a400d580f5c6"
 uuid = "21216c6a-2e73-6563-6e65-726566657250"
-version = "1.4.0"
+version = "1.4.3"
 
 [[deps.Printf]]
 deps = ["Unicode"]
@@ -253,7 +264,7 @@ deps = ["InteractiveUtils", "Markdown", "Sockets", "Unicode"]
 uuid = "3fa0cd96-eef1-5676-8a61-b3b8758bbffb"
 
 [[deps.Random]]
-deps = ["SHA", "Serialization"]
+deps = ["SHA"]
 uuid = "9a3f8284-a2c9-5f02-9a11-845980a1fd5c"
 
 [[deps.Reexport]]
@@ -290,31 +301,36 @@ uuid = "6462fe0b-24de-5631-8697-dd941f90decc"
 [[deps.SparseArrays]]
 deps = ["Libdl", "LinearAlgebra", "Random", "Serialization", "SuiteSparse_jll"]
 uuid = "2f01184e-e22b-5df5-ae63-d93ebab69eaf"
+version = "1.10.0"
 
 [[deps.StaticArrays]]
-deps = ["LinearAlgebra", "Random", "StaticArraysCore"]
-git-tree-sha1 = "0da7e6b70d1bb40b1ace3b576da9ea2992f76318"
+deps = ["LinearAlgebra", "PrecompileTools", "Random", "StaticArraysCore"]
+git-tree-sha1 = "eeafab08ae20c62c44c8399ccb9354a04b80db50"
 uuid = "90137ffa-7385-5640-81b9-e52037218182"
-version = "1.6.0"
-weakdeps = ["Statistics"]
+version = "1.9.7"
 
     [deps.StaticArrays.extensions]
+    StaticArraysChainRulesCoreExt = "ChainRulesCore"
     StaticArraysStatisticsExt = "Statistics"
 
+    [deps.StaticArrays.weakdeps]
+    ChainRulesCore = "d360d2e6-b24c-11e9-a2a3-2a2ae2dbcce4"
+    Statistics = "10745b16-79ce-11e8-11f9-7d13ad32a3b2"
+
 [[deps.StaticArraysCore]]
-git-tree-sha1 = "6b7ba252635a5eff6a0b0664a41ee140a1c9e72a"
+git-tree-sha1 = "192954ef1208c7019899fbf8049e717f92959682"
 uuid = "1e83bf80-4336-4d27-bf5d-d5a4f845583c"
-version = "1.4.0"
+version = "1.4.3"
 
 [[deps.Statistics]]
 deps = ["LinearAlgebra", "SparseArrays"]
 uuid = "10745b16-79ce-11e8-11f9-7d13ad32a3b2"
-version = "1.9.0"
+version = "1.10.0"
 
 [[deps.SuiteSparse_jll]]
-deps = ["Artifacts", "Libdl", "Pkg", "libblastrampoline_jll"]
+deps = ["Artifacts", "Libdl", "libblastrampoline_jll"]
 uuid = "bea87d4a-7f5b-5778-9afe-8cc45184846c"
-version = "5.10.1+6"
+version = "7.2.1+1"
 
 [[deps.TOML]]
 deps = ["Dates"]
@@ -332,15 +348,18 @@ uuid = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
 
 [[deps.TestSetExtensions]]
 deps = ["DeepDiffs", "Distributed", "Test"]
-git-tree-sha1 = "3a2919a78b04c29a1a57b05e1618e473162b15d0"
+git-tree-sha1 = "ccebd99935be339d2ad907589708ba1f0d62bab3"
 uuid = "98d24dd4-01ad-11ea-1b02-c9a08f80db04"
-version = "2.0.0"
+version = "3.0.0"
 
 [[deps.TranscodingStreams]]
-deps = ["Random", "Test"]
-git-tree-sha1 = "9a6ae7ed916312b41236fcef7e0af564ef934769"
+git-tree-sha1 = "96612ac5365777520c3c5396314c8cf7408f436a"
 uuid = "3bb67fe8-82b1-5028-8e26-92a6c54297fa"
-version = "0.9.13"
+version = "0.11.1"
+weakdeps = ["Random", "Test"]
+
+    [deps.TranscodingStreams.extensions]
+    TestExt = ["Test", "Random"]
 
 [[deps.UUIDs]]
 deps = ["Random", "SHA"]
@@ -350,27 +369,27 @@ uuid = "cf7118a7-6976-5b1a-9a39-7adc72f591a4"
 uuid = "4ec0a83e-493e-50e2-b9ac-8f72acf5a8f5"
 
 [[deps.XML2_jll]]
-deps = ["Artifacts", "JLLWrappers", "Libdl", "Libiconv_jll", "Pkg", "Zlib_jll"]
-git-tree-sha1 = "93c41695bc1c08c46c5899f4fe06d6ead504bb73"
+deps = ["Artifacts", "JLLWrappers", "Libdl", "Libiconv_jll", "Zlib_jll"]
+git-tree-sha1 = "d9717ce3518dc68a99e6b96300813760d887a01d"
 uuid = "02c8fc9c-b97f-50b9-bbe4-9be30ff0a78a"
-version = "2.10.3+0"
+version = "2.13.1+0"
 
 [[deps.Zlib_jll]]
 deps = ["Libdl"]
 uuid = "83775a58-1f1d-513f-b197-d71354ab007a"
-version = "1.2.13+0"
+version = "1.2.13+1"
 
 [[deps.libblastrampoline_jll]]
 deps = ["Artifacts", "Libdl"]
 uuid = "8e850b90-86db-534c-a0d3-1478176c7d93"
-version = "5.8.0+0"
+version = "5.8.0+1"
 
 [[deps.nghttp2_jll]]
 deps = ["Artifacts", "Libdl"]
 uuid = "8e850ede-7688-5339-a07c-302acd2aaf8d"
-version = "1.48.0+0"
+version = "1.52.0+1"
 
 [[deps.p7zip_jll]]
 deps = ["Artifacts", "Libdl"]
 uuid = "3f19e933-33d8-53b3-aaab-bd5110c3b7a0"
-version = "17.4.0+0"
+version = "17.4.0+2"
diff --git a/test/metagraphsio.jl b/test/metagraphsio.jl
index b2fd25d..3719c2f 100644
--- a/test/metagraphsio.jl
+++ b/test/metagraphsio.jl
@@ -36,5 +36,9 @@
     end
     rm(ftname)
 
-   # Write your tests here.
+   # ITZ graphml
+    ftname = joinpath(testdir, "testdata", "ITZ_Aarnet.graphml")
+    dmg2 = open(ftname, "r") do io
+        loadgraphs(io, GraphMLFormat(), MGFormat())
+    end
 end
diff --git a/test/runtests.jl b/test/runtests.jl
index 578ca99..3cecf3c 100644
--- a/test/runtests.jl
+++ b/test/runtests.jl
@@ -14,5 +14,7 @@ testdir = dirname(@__FILE__)
 include("testutils.jl")
 
 @testset "NestedGraphsIO.jl" begin
-    @includetests ["metagraphsio", "nestedgraphsio"]
+    foreach(["metagraphsio.jl", "nestedgraphsio.jl"]) do x
+        include(x)
+    end
 end
diff --git a/test/testdata/ITZ_Aarnet.graphml b/test/testdata/ITZ_Aarnet.graphml
new file mode 100644
index 0000000..eae22a3
--- /dev/null
+++ b/test/testdata/ITZ_Aarnet.graphml
@@ -0,0 +1,317 @@
+<?xml version="1.0" encoding="utf-8"?><graphml xmlns="http://graphml.graphdrawing.org/xmlns" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://graphml.graphdrawing.org/xmlns http://graphml.graphdrawing.org/xmlns/1.0/graphml.xsd">
+  <key attr.name="id" attr.type="string" for="edge" id="d36" />
+  <key attr.name="key" attr.type="int" for="edge" id="d35" />
+  <key attr.name="LinkLabel" attr.type="string" for="edge" id="d34" />
+  <key attr.name="label" attr.type="string" for="node" id="d33" />
+  <key attr.name="Longitude" attr.type="double" for="node" id="d32" />
+  <key attr.name="id" attr.type="int" for="node" id="d31" />
+  <key attr.name="Country" attr.type="string" for="node" id="d30" />
+  <key attr.name="Latitude" attr.type="double" for="node" id="d29" />
+  <key attr.name="Internal" attr.type="int" for="node" id="d28" />
+  <key attr.name="Testbed" attr.type="int" for="graph" id="d27" />
+  <key attr.name="LastProcessed" attr.type="string" for="graph" id="d26" />
+  <key attr.name="DateYear" attr.type="string" for="graph" id="d25" />
+  <key attr.name="NetworkDate" attr.type="string" for="graph" id="d24" />
+  <key attr.name="Transit" attr.type="int" for="graph" id="d23" />
+  <key attr.name="Developed" attr.type="int" for="graph" id="d22" />
+  <key attr.name="Creator" attr.type="string" for="graph" id="d21" />
+  <key attr.name="Layer" attr.type="string" for="graph" id="d20" />
+  <key attr.name="LastAccess" attr.type="string" for="graph" id="d19" />
+  <key attr.name="DateMonth" attr.type="string" for="graph" id="d18" />
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+  <key attr.name="Provenance" attr.type="string" for="graph" id="d4" />
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+  <key attr.name="GeoExtent" attr.type="string" for="graph" id="d2" />
+  <key attr.name="GeoLocation" attr.type="string" for="graph" id="d1" />
+  <key attr.name="DateObtained" attr.type="string" for="graph" id="d0" />
+  <graph edgedefault="undirected">
+    <data key="d0">2/12/10</data>
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+      <data key="d31">0</data>
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+      <data key="d33">Sydney1</data>
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+      <data key="d33">Adelaide1</data>
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+      <data key="d28">1</data>
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+      <data key="d33">Melbourne1</data>
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+    <node id="16">
+      <data key="d28">1</data>
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+      <data key="d33">Melbourne2</data>
+    </node>
+    <node id="17">
+      <data key="d28">1</data>
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+      <data key="d31">17</data>
+      <data key="d32">133.88333</data>
+      <data key="d33">Alice Springs</data>
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+    <node id="18">
+      <data key="d28">1</data>
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+      <data key="d31">18</data>
+      <data key="d32">130.84185</data>
+      <data key="d33">Darwin</data>
+    </node>
+    <edge source="0" target="10">
+      <data key="d34">&lt; 10 Gbps</data>
+      <data key="d35">0</data>
+    </edge>
+    <edge source="0" target="3">
+      <data key="d34">&lt; 10 Gbps</data>
+      <data key="d35">0</data>
+    </edge>
+    <edge source="0" target="6">
+      <data key="d34">&lt; 10 Gbps</data>
+      <data key="d35">0</data>
+    </edge>
+    <edge source="1" target="3">
+      <data key="d34">&lt; 10 Gbps</data>
+      <data key="d35">0</data>
+    </edge>
+    <edge source="1" target="6">
+      <data key="d34">&lt; 10Gbps</data>
+      <data key="d35">0</data>
+    </edge>
+    <edge source="2" target="10">
+      <data key="d34">&lt; 10 Gbps</data>
+      <data key="d35">0</data>
+    </edge>
+    <edge source="2" target="15">
+      <data key="d34">&lt; 10 Gbps</data>
+      <data key="d35">0</data>
+    </edge>
+    <edge source="3" target="8">
+      <data key="d34">&lt; 1 Gbps</data>
+      <data key="d35">0</data>
+    </edge>
+    <edge source="3" target="16">
+      <data key="d34">&lt; 10 Gbps</data>
+      <data key="d35">0</data>
+    </edge>
+    <edge source="4" target="5">
+      <data key="d34">&lt; 2.5 Gbps</data>
+      <data key="d35">0</data>
+    </edge>
+    <edge source="4" target="7">
+      <data key="d34">&lt; 2.5 Gbps</data>
+      <data key="d35">0</data>
+    </edge>
+    <edge source="6" target="7">
+      <data key="d34">&lt; 2.5 Gbps</data>
+      <data key="d35">0</data>
+    </edge>
+    <edge source="9" target="16">
+      <data key="d34">&lt; 155 Mbps</data>
+      <data key="d35">0</data>
+    </edge>
+    <edge source="9" target="15">
+      <data key="d34">&lt; 155 Mbps</data>
+      <data key="d35">0</data>
+    </edge>
+    <edge source="11" target="12">
+      <data key="d36">e0</data>
+      <data key="d35">0</data>
+    </edge>
+    <edge source="11" target="13">
+      <data key="d34">&lt; 10 Gbps</data>
+      <data key="d35">0</data>
+    </edge>
+    <edge source="12" target="14">
+      <data key="d34">&lt; 2.5 Gbps</data>
+      <data key="d35">0</data>
+    </edge>
+    <edge source="13" target="18">
+      <data key="d34">&lt; 155 Mbps</data>
+      <data key="d35">0</data>
+    </edge>
+    <edge source="13" target="14">
+      <data key="d36">e3</data>
+      <data key="d35">0</data>
+    </edge>
+    <edge source="13" target="15">
+      <data key="d34">&lt; 10 Gbps</data>
+      <data key="d35">0</data>
+    </edge>
+    <edge source="14" target="16">
+      <data key="d34">&lt; 2.5 Gbps</data>
+      <data key="d35">0</data>
+    </edge>
+    <edge source="14" target="17">
+      <data key="d34">&lt; 155 Mbps</data>
+      <data key="d35">0</data>
+    </edge>
+    <edge source="15" target="16">
+      <data key="d34">&lt; 10 Gbps</data>
+      <data key="d35">0</data>
+    </edge>
+    <edge source="17" target="18">
+      <data key="d34">&lt; 155 Mbps</data>
+      <data key="d35">0</data>
+    </edge>
+  </graph>
+</graphml>
diff --git a/test/testdata/ITZ_Sprint.graphml b/test/testdata/ITZ_Sprint.graphml
new file mode 100644
index 0000000..d5b8711
--- /dev/null
+++ b/test/testdata/ITZ_Sprint.graphml
@@ -0,0 +1,266 @@
+<?xml version="1.0" encoding="utf-8"?><graphml xmlns="http://graphml.graphdrawing.org/xmlns" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://graphml.graphdrawing.org/xmlns http://graphml.graphdrawing.org/xmlns/1.0/graphml.xsd">
+  <key attr.name="key" attr.type="int" for="edge" id="d37" />
+  <key attr.name="LinkNote" attr.type="string" for="edge" id="d36" />
+  <key attr.name="LinkLabel" attr.type="string" for="edge" id="d35" />
+  <key attr.name="LinkType" attr.type="string" for="edge" id="d34" />
+  <key attr.name="label" attr.type="string" for="node" id="d33" />
+  <key attr.name="Longitude" attr.type="double" for="node" id="d32" />
+  <key attr.name="id" attr.type="int" for="node" id="d31" />
+  <key attr.name="Country" attr.type="string" for="node" id="d30" />
+  <key attr.name="Latitude" attr.type="double" for="node" id="d29" />
+  <key attr.name="Internal" attr.type="int" for="node" id="d28" />
+  <key attr.name="Testbed" attr.type="int" for="graph" id="d27" />
+  <key attr.name="LastProcessed" attr.type="string" for="graph" id="d26" />
+  <key attr.name="DateYear" attr.type="string" for="graph" id="d25" />
+  <key attr.name="NetworkDate" attr.type="string" for="graph" id="d24" />
+  <key attr.name="Transit" attr.type="int" for="graph" id="d23" />
+  <key attr.name="Developed" attr.type="int" for="graph" id="d22" />
+  <key attr.name="Creator" attr.type="string" for="graph" id="d21" />
+  <key attr.name="Layer" attr.type="string" for="graph" id="d20" />
+  <key attr.name="LastAccess" attr.type="string" for="graph" id="d19" />
+  <key attr.name="DateMonth" attr.type="string" for="graph" id="d18" />
+  <key attr.name="DateModifier" attr.type="string" for="graph" id="d17" />
+  <key attr.name="SourceGitVersion" attr.type="string" for="graph" id="d16" />
+  <key attr.name="IX" attr.type="int" for="graph" id="d15" />
+  <key attr.name="Customer" attr.type="int" for="graph" id="d14" />
+  <key attr.name="ToolsetVersion" attr.type="string" for="graph" id="d13" />
+  <key attr.name="label" attr.type="string" for="graph" id="d12" />
+  <key attr.name="Commercial" attr.type="int" for="graph" id="d11" />
+  <key attr.name="Backbone" attr.type="int" for="graph" id="d10" />
+  <key attr.name="DateType" attr.type="string" for="graph" id="d9" />
+  <key attr.name="Type" attr.type="string" for="graph" id="d8" />
+  <key attr.name="Version" attr.type="string" for="graph" id="d7" />
+  <key attr.name="Source" attr.type="string" for="graph" id="d6" />
+  <key attr.name="Access" attr.type="int" for="graph" id="d5" />
+  <key attr.name="Provenance" attr.type="string" for="graph" id="d4" />
+  <key attr.name="Network" attr.type="string" for="graph" id="d3" />
+  <key attr.name="GeoExtent" attr.type="string" for="graph" id="d2" />
+  <key attr.name="GeoLocation" attr.type="string" for="graph" id="d1" />
+  <key attr.name="DateObtained" attr.type="string" for="graph" id="d0" />
+  <graph edgedefault="undirected">
+    <data key="d0">14/01/11</data>
+    <data key="d1">USA</data>
+    <data key="d2">Country</data>
+    <data key="d3">Sprint</data>
+    <data key="d4">Secondary</data>
+    <data key="d5">1</data>
+    <data key="d6">http://www.nthelp.com/images/sprint.jpg</data>
+    <data key="d7">1.0</data>
+    <data key="d8">COM</data>
+    <data key="d9">Current</data>
+    <data key="d10">1</data>
+    <data key="d11">0</data>
+    <data key="d12">Sprint</data>
+    <data key="d13">0.3.34dev-20120328</data>
+    <data key="d14">1</data>
+    <data key="d15">0</data>
+    <data key="d16">e278b1b</data>
+    <data key="d17">=</data>
+    <data key="d18">01</data>
+    <data key="d19">14/01/11</data>
+    <data key="d20">IP</data>
+    <data key="d21">Topology Zoo Toolset</data>
+    <data key="d22">1</data>
+    <data key="d23">0</data>
+    <data key="d24">2011_01</data>
+    <data key="d25">2011</data>
+    <data key="d26">2011_09_01</data>
+    <data key="d27">0</data>
+    <node id="0">
+      <data key="d28">1</data>
+      <data key="d29">41.13998</data>
+      <data key="d30">United States</data>
+      <data key="d31">0</data>
+      <data key="d32">-104.82025</data>
+      <data key="d33">Cheyenne</data>
+    </node>
+    <node id="1">
+      <data key="d28">1</data>
+      <data key="d29">33.749</data>
+      <data key="d30">United States</data>
+      <data key="d31">1</data>
+      <data key="d32">-84.38798</data>
+      <data key="d33">Atlanta</data>
+    </node>
+    <node id="2">
+      <data key="d28">1</data>
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+      <data key="d30">United States</data>
+      <data key="d31">2</data>
+      <data key="d32">-105.27055</data>
+      <data key="d33">Boulder</data>
+    </node>
+    <node id="3">
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+      <data key="d30">United States</data>
+      <data key="d31">3</data>
+      <data key="d32">-122.33207</data>
+      <data key="d33">Seattle</data>
+    </node>
+    <node id="4">
+      <data key="d28">1</data>
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+      <data key="d30">United States</data>
+      <data key="d31">4</data>
+      <data key="d32">-121.29078</data>
+      <data key="d33">Stockton</data>
+    </node>
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+      <data key="d30">United States</data>
+      <data key="d31">5</data>
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+      <data key="d33">Anaheim</data>
+    </node>
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+      <data key="d31">6</data>
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+      <data key="d33">Fort Worth</data>
+    </node>
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+      <data key="d30">United States</data>
+      <data key="d31">7</data>
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+      <data key="d33">Kansas City</data>
+    </node>
+    <node id="8">
+      <data key="d28">1</data>
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+      <data key="d30">United States</data>
+      <data key="d31">8</data>
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+      <data key="d33">Chicago</data>
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+      <data key="d31">9</data>
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+      <data key="d33">New York (Pennsauken)</data>
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+      <data key="d30">United States</data>
+      <data key="d31">10</data>
+      <data key="d32">-77.03637</data>
+      <data key="d33">Washington, DC</data>
+    </node>
+    <edge source="0" target="2">
+      <data key="d34">DS-3</data>
+      <data key="d35">45 Mbps DS-3</data>
+      <data key="d36">45 Mbps </data>
+      <data key="d37">0</data>
+    </edge>
+    <edge source="0" target="4">
+      <data key="d34">DS-3</data>
+      <data key="d35">45 Mbps DS-3</data>
+      <data key="d36">45 Mbps </data>
+      <data key="d37">0</data>
+    </edge>
+    <edge source="0" target="7">
+      <data key="d34">DS-3</data>
+      <data key="d35">45 Mbps DS-3</data>
+      <data key="d36">45 Mbps </data>
+      <data key="d37">0</data>
+    </edge>
+    <edge source="1" target="10">
+      <data key="d34">DS-3</data>
+      <data key="d35">45 Mbps DS-3</data>
+      <data key="d36">45 Mbps </data>
+      <data key="d37">0</data>
+    </edge>
+    <edge source="1" target="6">
+      <data key="d34">DS-3</data>
+      <data key="d35">45 Mbps DS-3</data>
+      <data key="d36">45 Mbps </data>
+      <data key="d37">0</data>
+    </edge>
+    <edge source="3" target="8">
+      <data key="d34">DS-3</data>
+      <data key="d35">45 Mbps DS-3</data>
+      <data key="d36">45 Mbps </data>
+      <data key="d37">0</data>
+    </edge>
+    <edge source="3" target="4">
+      <data key="d34">DS-3</data>
+      <data key="d35">45 Mbps DS-3</data>
+      <data key="d36">45 Mbps </data>
+      <data key="d37">0</data>
+    </edge>
+    <edge source="4" target="5">
+      <data key="d34">DS-3</data>
+      <data key="d35">45 Mbps DS-3</data>
+      <data key="d36">45 Mbps </data>
+      <data key="d37">0</data>
+    </edge>
+    <edge source="4" target="8">
+      <data key="d34">DS-3</data>
+      <data key="d35">45 Mbps DS-3</data>
+      <data key="d36">45 Mbps </data>
+      <data key="d37">0</data>
+    </edge>
+    <edge source="4" target="9">
+      <data key="d34">DS-3</data>
+      <data key="d35">45 Mbps DS-3</data>
+      <data key="d36">45 Mbps </data>
+      <data key="d37">0</data>
+    </edge>
+    <edge source="4" target="10">
+      <data key="d34">DS-3</data>
+      <data key="d35">45 Mbps DS-3</data>
+      <data key="d36">45 Mbps </data>
+      <data key="d37">0</data>
+    </edge>
+    <edge source="5" target="6">
+      <data key="d34">DS-3</data>
+      <data key="d35">45 Mbps DS-3</data>
+      <data key="d36">45 Mbps </data>
+      <data key="d37">0</data>
+    </edge>
+    <edge source="6" target="10">
+      <data key="d34">DS-3</data>
+      <data key="d35">45 Mbps DS-3</data>
+      <data key="d36">45 Mbps </data>
+      <data key="d37">0</data>
+    </edge>
+    <edge source="6" target="7">
+      <data key="d34">DS-3</data>
+      <data key="d35">45 Mbps DS-3</data>
+      <data key="d36">45 Mbps </data>
+      <data key="d37">0</data>
+    </edge>
+    <edge source="7" target="8">
+      <data key="d34">DS-3</data>
+      <data key="d35">45 Mbps DS-3</data>
+      <data key="d36">45 Mbps </data>
+      <data key="d37">0</data>
+    </edge>
+    <edge source="7" target="10">
+      <data key="d34">DS-3</data>
+      <data key="d35">45 Mbps DS-3</data>
+      <data key="d36">45 Mbps </data>
+      <data key="d37">0</data>
+    </edge>
+    <edge source="8" target="9">
+      <data key="d34">DS-3</data>
+      <data key="d35">45 Mbps DS-3</data>
+      <data key="d36">45 Mbps </data>
+      <data key="d37">0</data>
+    </edge>
+    <edge source="9" target="10">
+      <data key="d34">DS-3</data>
+      <data key="d35">45 Mbps DS-3</data>
+      <data key="d36">45 Mbps </data>
+      <data key="d37">0</data>
+    </edge>
+  </graph>
+</graphml>