Merge pull request #132 from JuliaML/cl/fix

KarateClub <: AbstractDataset

Author: CarloLucibello

src/datasets/graphs/karateclub.jl

@@ -25,7 +25,7 @@ One node per unique label is used as training data.
 
 [4]: [NetworkX Zachary's Karate Club Dataset](https://networkx.org/documentation/stable/_modules/networkx/generators/social.html#karate_club_graph)
 """
-struct KarateClub
+struct KarateClub <: AbstractDataset
     metadata::Dict{String, Any}
     graphs::Vector{Graph}
 end

test/datasets/graphs.jl

@@ -1,6 +1,7 @@
 
 @testset "Cora" begin
     data  = Cora()
+    @test data isa AbstractDataset
     @test length(data) == 1
     g = data[1]
     @test g === data[:]
@@ -25,6 +26,7 @@ end
 
 @testset "CiteSeer" begin
     data  = CiteSeer()
+    @test data isa AbstractDataset
     @test length(data) == 1
     g = data[1]
     @test g === data[:]
@@ -49,6 +51,7 @@ end
 
 @testset "PubMed" begin
     data  = PubMed()
+    @test data isa AbstractDataset
     @test length(data) == 1
     g = data[1]
     @test g === data[:]
@@ -73,6 +76,7 @@ end
 
 @testset "KarateClub" begin
     data  = KarateClub()
+    @test data isa AbstractDataset
     @test length(data) == 1
     g = data[1]
     @test g === data[:]
@@ -98,6 +102,7 @@ end
 
 @testset "PolBlogs" begin
     data  = PolBlogs()
+    @test data isa AbstractDataset
     @test length(data) == 1
     g = data[1]
     @test g === data[:]