Updates for SCS v2.0 (#898)

* allow scs v2
* update tests for scs v2.0

Author: ccoffrin

CHANGELOG.md

@@ -7,6 +7,7 @@ PowerModels.jl Change Log
 ### v0.19.10
 - Add support for ACP and DCP formulation in OPF with PST variables (#543,#875)
 - Fix implementation of `calc_theta_delta_bounds` when conductor parameter is used (#870)
+- Update tests for SCS v2.0
 
 ### v0.19.9
 - Fix implementation of polynomial costs above quadratic

Project.toml

@@ -22,7 +22,7 @@ JuMP = "~0.22, ~0.23, 1"
 Juniper = "~0.8, ~0.9"
 Memento = "~1.0, ~1.1, ~1.2, ~1.3, ~1.4"
 NLsolve = "4.0"
-SCS = "~0.9, ~1.0"
+SCS = "~0.9, ~1.0, ~2.0"
 julia = "1.6"
 
 [extras]

test/opf-var.jl

@@ -127,8 +127,8 @@ end
             result = PowerModels._solve_opf_cl(data, SDPWRMPowerModel, sdp_solver)
 
             @test result["termination_status"] == OPTIMAL
-            @test isapprox(result["objective"], 5728.62; atol = 1e0)
-            #@test isapprox(result["objective"], 5747.63; atol = 1e0)
+            #@test isapprox(result["objective"], 5728.62; atol = 1e0)
+            @test isapprox(result["objective"], 5747.63; atol = 1e0)
         end
         @testset "5-bus case" begin
            data = build_current_data("../test/data/matpower/case5.m")

test/opf.jl

@@ -590,8 +590,8 @@ end
         result = run_opf("../test/data/matpower/case3.m", SOCWRConicPowerModel, sdp_solver)
 
         @test result["termination_status"] == OPTIMAL
-        @test isapprox(result["objective"], 5736.94; atol = 2e0)
-        #@test isapprox(result["objective"], 5747.37; atol = 2e0)
+        #@test isapprox(result["objective"], 5736.94; atol = 2e0)
+        @test isapprox(result["objective"], 5747.37; atol = 2e0)
     end
     @testset "5-bus transformer swap case" begin
         result = run_opf("../test/data/matpower/case5.m", SOCWRConicPowerModel, sdp_solver)
@@ -621,31 +621,31 @@ end
        result = run_opf("../test/data/matpower/case5_npg.m", SOCWRConicPowerModel, sdp_solver)
 
        @test result["termination_status"] == OPTIMAL
-       @test isapprox(result["objective"], 3551.71; atol = 40)
-       #@test isapprox(result["objective"], 3602.11; atol = 40)
+       #@test isapprox(result["objective"], 3551.71; atol = 40)
+       @test isapprox(result["objective"], 3602.11; atol = 40)
     end
     @testset "5-bus with pwl costs" begin
         result = run_opf("../test/data/matpower/case5_pwlc.m", SOCWRConicPowerModel, sdp_solver)
 
         @test result["termination_status"] == OPTIMAL
-        @test isapprox(result["objective"], 42889; atol = 1e0)
-        #@test isapprox(result["objective"], 42906; atol = 1e0)
+        #@test isapprox(result["objective"], 42889; atol = 1e0)
+        @test isapprox(result["objective"], 42906; atol = 1e0)
     end
     @testset "6-bus case" begin
         result = run_opf("../test/data/matpower/case6.m", SOCWRConicPowerModel, sdp_solver)
 
         @test result["termination_status"] == OPTIMAL
         #@test isapprox(result["objective"], 11472.2; atol = 3e0)
-        @test isapprox(result["objective"], 11451.5; atol = 3e0)
-        #@test isapprox(result["objective"], 11473.4; atol = 3e0)
+        #@test isapprox(result["objective"], 11451.5; atol = 3e0)
+        @test isapprox(result["objective"], 11473.4; atol = 3e0)
     end
     @testset "24-bus rts case" begin
         result = run_opf("../test/data/matpower/case24.m", SOCWRConicPowerModel, sdp_solver)
 
         @test result["termination_status"] == OPTIMAL
         #@test isapprox(result["objective"], 70693.9; atol = 1e0)
-        @test isapprox(result["objective"], 70670.0; atol = 1e0)
-        #@test isapprox(result["objective"], 70683.5; atol = 1e0)
+        #@test isapprox(result["objective"], 70670.0; atol = 1e0)
+        @test isapprox(result["objective"], 70683.5; atol = 1e0)
     end
     @testset "14-bus variable bounds" begin
         pm = instantiate_model("../test/data/matpower/case14.m", SOCWRConicPowerModel, PowerModels.build_opf)
@@ -906,14 +906,16 @@ end
         result = run_opf("../test/data/matpower/case3.m", SDPWRMPowerModel, sdp_solver)
 
         @test result["termination_status"] == OPTIMAL
-        @test isapprox(result["objective"], 5818.00; atol = 1e1)
-        #@test isapprox(result["objective"], 5852.51; atol = 1e1)
+        #@test isapprox(result["objective"], 5818.00; atol = 1e1)
+        @test isapprox(result["objective"], 5852.51; atol = 1e1)
 
         @test haskey(result["solution"],"WR")
         @test haskey(result["solution"],"WI")
-        @test isapprox(result["solution"]["bus"]["1"]["w"], 1.179, atol = 1e-2)
+        #@test isapprox(result["solution"]["bus"]["1"]["w"], 1.179, atol = 1e-2)
+        @test isapprox(result["solution"]["bus"]["1"]["w"], 1.209, atol = 1e-2)
         @test isapprox(result["solution"]["branch"]["1"]["wr"], 0.941, atol = 1e-2)
-        @test isapprox(result["solution"]["branch"]["1"]["wi"], 0.269, atol = 1e-2)
+        #@test isapprox(result["solution"]["branch"]["1"]["wi"], 0.269, atol = 1e-2)
+        @test isapprox(result["solution"]["branch"]["1"]["wi"], 0.284, atol = 1e-2)
     end
     @testset "5-bus asymmetric case" begin
         result = run_opf("../test/data/matpower/case5_asym.m", SDPWRMPowerModel, sdp_solver)
@@ -938,8 +940,8 @@ end
 
         @test result["termination_status"] == OPTIMAL
         #@test isapprox(result["objective"], 6827.34; atol = 1e0)
-        @test isapprox(result["objective"], 6735.17; atol = 1e0)
-        #@test isapprox(result["objective"], 6827.71; atol = 1e0)
+        #@test isapprox(result["objective"], 6735.17; atol = 1e0)
+        @test isapprox(result["objective"], 6827.71; atol = 1e0)
     end
     # too slow for unit tests
     # @testset "14-bus case" begin
@@ -953,8 +955,8 @@ end
 
         @test result["termination_status"] == OPTIMAL
         #@test isapprox(result["objective"], 11580.8; atol = 1e1)
-        @test isapprox(result["objective"], 11507.7; atol = 1e1)
-        #@test isapprox(result["objective"], 11580.5; atol = 1e1)
+        #@test isapprox(result["objective"], 11507.7; atol = 1e1)
+        @test isapprox(result["objective"], 11580.5; atol = 1e1)
     end
     @testset "14-bus variable bounds" begin
         pm = instantiate_model("../test/data/matpower/case14.m", SDPWRMPowerModel, PowerModels.build_opf)
@@ -969,14 +971,16 @@ end
 
         @test result["termination_status"] == OPTIMAL
         #@test isapprox(result["objective"], 5851.23; atol = 1e1)
-        @test isapprox(result["objective"], 5818.00; atol = 1e1)
-        #@test isapprox(result["objective"], 5852.51; atol = 1e1)
+        #@test isapprox(result["objective"], 5818.00; atol = 1e1)
+        @test isapprox(result["objective"], 5852.51; atol = 1e1)
 
         @test haskey(result["solution"]["w_group"]["1"],"WR")
         @test haskey(result["solution"]["w_group"]["1"],"WI")
-        @test isapprox(result["solution"]["bus"]["1"]["w"], 1.179, atol = 1e-2)
+        #@test isapprox(result["solution"]["bus"]["1"]["w"], 1.179, atol = 1e-2)
+        @test isapprox(result["solution"]["bus"]["1"]["w"], 1.209, atol = 1e-2)
         @test isapprox(result["solution"]["branch"]["1"]["wr"], 0.941, atol = 1e-2)
-        @test isapprox(result["solution"]["branch"]["1"]["wi"], 0.269, atol = 1e-2)
+        #@test isapprox(result["solution"]["branch"]["1"]["wi"], 0.269, atol = 1e-2)
+        @test isapprox(result["solution"]["branch"]["1"]["wi"], 0.284, atol = 1e-2)
     end
     @testset "5-bus with asymmetric line charge" begin
         result = run_opf("../test/data/pti/case5_alc.raw", SparseSDPWRMPowerModel, sdp_solver)