Work-around bug in recent Ipopt_jll releases (#162)

Author: odow

.github/workflows/ci.yml

@@ -11,8 +11,8 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        version: ['1']  # Test against current minor release
-        os: [ubuntu-latest]
+        version: ['1.6', '1']  # Test against current minor release
+        os: [ubuntu-latest, macOS-latest, windows-latest]
         arch: [x64]
         include:
           # Also test against 32-bit Linux

.github/workflows/format_check.yml

@@ -18,7 +18,7 @@ jobs:
         shell: julia --color=yes {0}
         run: |
           using Pkg
-          Pkg.add(PackageSpec(name="JuliaFormatter", version="0.13.9"))
+          Pkg.add(PackageSpec(name="JuliaFormatter", version="1"))
           using JuliaFormatter
           format("src", verbose=true)
           format("test", verbose=true)

Project.toml

@@ -1,18 +1,18 @@
 name = "AmplNLWriter"
 uuid = "7c4d4715-977e-5154-bfe0-e096adeac482"
-version = "1.0.1"
+version = "1.0.2"
 
 [deps]
+Ipopt_jll = "9cc047cb-c261-5740-88fc-0cf96f7bdcc7"
 MathOptInterface = "b8f27783-ece8-5eb3-8dc8-9495eed66fee"
 
 [compat]
-Ipopt_jll = "300.1400.400"
+Ipopt_jll = "=300.1400.400"
 MathOptInterface = "1.3"
 julia = "1.6"
 
 [extras]
-Ipopt_jll = "9cc047cb-c261-5740-88fc-0cf96f7bdcc7"
 Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
 
 [targets]
-test = ["Test", "Ipopt_jll"]
+test = ["Test"]

src/AmplNLWriter.jl

@@ -5,8 +5,7 @@
 
 module AmplNLWriter
 
-import MathOptInterface
-const MOI = MathOptInterface
+import MathOptInterface as MOI
 
 """
     AbstractSolverCommand

test/MINLPTests/Project.toml

@@ -10,8 +10,8 @@ Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
 [compat]
 Bonmin_jll = "100.800.801"
 Couenne_jll = "0.500.801"
-Ipopt_jll = "300.1400.400"
-JuMP = "0.23, 1"
+Ipopt_jll = "=300.1400.400"
+JuMP = "1"
 MINLPTests = "0.5"
 SHOT_jll = "100.100.0"
 julia = "1.6"

test/MOI_wrapper.jl

@@ -135,18 +135,19 @@ end
 function test_io(path)
     io = IOBuffer()
     model = optimizer(path; stdin = stdin, stdout = io)
+    MOI.set(model, MOI.RawOptimizerAttribute("print_level"), 1)
     x = MOI.add_variable(model)
     MOI.add_constraint(model, x, MOI.GreaterThan(0.0))
     MOI.optimize!(model)
+    flush(io)
     seekstart(io)
     s = String(take!(io))
-    if VERSION < v"1.6"
-        # TODO(odow): Looks like Julia 1.0 changed something here? Not a high
-        #             priority to investigate.
-        @test length(s) >= 0
+    if Sys.iswindows()
+        @test_broken length(s) > 0
     else
         @test length(s) > 0
     end
+    return
 end
 
 function test_single_variable_interval_dual(path)