add tests for show

Author: lkdvos

test/symmetries/spaces.jl

@@ -452,4 +452,12 @@ end
     end
 end
 
+@timedtestset "show and friends" begin
+    V = U1Space(i => 1 for i in 1:3)
+    @test string(V) == "Rep[U₁](1 => 1, 2 => 1, 3 => 1)"
+    @test string(V') == "Rep[U₁](1 => 1, 2 => 1, 3 => 1)'"
+    @test sprint((x, y) -> show(x, MIME"text/plain"(), y), V) == "Rep[U₁](…) of dim 3:\n 1 => 1\n 2 => 1\n 3 => 1"
+    @test sprint((x, y) -> show(x, MIME"text/plain"(), y), V') == "Rep[U₁](…)' of dim 3:\n 1 => 1\n 2 => 1\n 3 => 1"
+end
+
 TensorKit.empty_globalcaches!()