test: include new tests and copy tests

test/models/test-copy.jl

@@ -0,0 +1,27 @@
+using SpectralFitting
+using Test
+
+include("../dummies.jl")
+
+# single model
+m = PowerLaw()
+m2 = copy(m)
+@inferred copy(m)
+m.K.value = 2.0
+@test m2.K.value == 1.0
+
+# table model
+m = DummyMultiplicativeTableModel()
+m2 = copy(m)
+@inferred copy(m)
+m.a.value = 2.0
+@test m2.a.value == 1.0
+@test m.table === m2.table
+
+# composite model
+model = PowerLaw() + PowerLaw()
+model2 = copy(model)
+model.K_1.value = 2.0
+@test model2.K_2.value == 1.0
+
+@inferred copy(model)

test/runtests.jl

@@ -56,6 +56,8 @@ end
     include("models/test-table-models.jl")
     include("models/test-surrogate-models.jl")
     include("models/test-auto-cache.jl")
+    include("models/test-as-convolution.jl")
+    include("models/test-copy.jl")
 
     # only test XSPEC models when not using CI
     # since model data access is annoying