Merge pull request #1591 from NREL-Sienna/jd/fix_typo_in_function

fix missing s

Author: jd-lara

.gitignore

@@ -9,6 +9,8 @@ _*.jl
 ## Autogenerated code during the documentation process
 generated*.md
 
+*.raw
+
 # Test data
 data
 

src/PowerSystems.jl

@@ -541,6 +541,7 @@ export get_subsystem_components
 export remove_component_from_subsystem!
 export remove_component_from_subsystems!
 export has_component
+export has_components
 export get_assigned_subsystems
 export has_subsystems
 export is_assigned_to_subsystem

src/base.jl

@@ -1254,8 +1254,8 @@ end
 """
 Check to see if the component of type T exists.
 """
-function has_component(sys::System, T::Type{<:Component})
-    return IS.has_component(sys.data, T)
+function has_components(sys::System, T::Type{<:Component})
+    return IS.has_components(sys.data.components, T)
 end
 
 """

test/test_system.jl

@@ -638,6 +638,12 @@ end
     @test_throws ArgumentError add_service!(device2, service1, sys2)
 end
 
+@testset "Test has_components" begin
+    sys1 = PSB.build_system(PSITestSystems, "test_RTS_GMLC_sys")
+    @test has_components(sys1, ThermalStandard)
+    @test !has_components(sys1, TransmissionInterface)
+end
+
 @testset "Test set_bus_number!" begin
     sys = PSB.build_system(PSITestSystems, "test_RTS_GMLC_sys")
     buses = collect(get_components(ACBus, sys))