[Test] Add test_attribute.jl

src/Test/test_attribute.jl

@@ -0,0 +1,164 @@
+"""
+    test_attribute_NumberThreads(model::MOI.ModelLike, config::Config)
+
+Test that the [`MOI.NumberOfThreads`](@ref) attribute is implemented for
+`model`.
+"""
+function test_attribute_NumberThreads(model::MOI.ModelLike, ::Config)
+    if !MOI.supports(model, MOI.NumberOfThreads())
+        return
+    end
+    @test MOI.supports(model, MOI.NumberOfThreads())
+    # Get the current value to restore it at the end of the test
+    value = MOI.get(model, MOI.NumberOfThreads())
+    MOI.set(model, MOI.NumberOfThreads(), 1)
+    @test MOI.get(model, MOI.NumberOfThreads()) == 1
+    MOI.set(model, MOI.NumberOfThreads(), 3)
+    @test MOI.get(model, MOI.NumberOfThreads()) == 3
+    MOI.set(model, MOI.NumberOfThreads(), value)
+    @test value == MOI.get(model, MOI.NumberOfThreads())
+    return
+end
+
+function setup_test(
+    ::typeof(test_attribute_NumberThreads),
+    model::MOIU.MockOptimizer,
+    ::Config,
+)
+    MOI.set(model, MOI.NumberOfThreads(), nothing)
+    return
+end
+
+"""
+    test_attribute_RawStatusString(model::MOI.ModelLike, config::Config)
+
+Test that the [`MOI.RawStatusString`](@ref) attribute is implemented for
+`model`.
+"""
+function test_attribute_RawStatusString(model::MOI.ModelLike, config::Config)
+    if !config.supports_optimize || !_supports(config, MOI.RawStatusString())
+        return
+    end
+    MOI.add_variable(model)
+    MOI.optimize!(model)
+    @test MOI.get(model, MOI.RawStatusString()) isa AbstractString
+    return
+end
+
+function setup_test(
+    ::typeof(test_attribute_RawStatusString),
+    model::MOIU.MockOptimizer,
+    ::Config,
+)
+    MOIU.set_mock_optimize!(
+        model,
+        (mock::MOIU.MockOptimizer) -> begin
+            MOI.set(
+                mock,
+                MOI.RawStatusString(),
+                "Mock solution set by `mock_optimize!`.",
+            )
+        end,
+    )
+    return
+end
+
+"""
+    test_attribute_Silent(model::MOI.ModelLike, config::Config)
+
+Test that the [`MOI.Silent`](@ref) attribute is implemented for `model`.
+"""
+function test_attribute_Silent(model::MOI.ModelLike, ::Config)
+    if !MOI.supports(model, MOI.Silent())
+        return
+    end
+    @test MOI.supports(model, MOI.Silent())
+    # Get the current value to restore it at the end of the test
+    value = MOI.get(model, MOI.Silent())
+    MOI.set(model, MOI.Silent(), !value)
+    @test !value == MOI.get(model, MOI.Silent())
+    # Check that `set` does not just take `!` of the current value
+    MOI.set(model, MOI.Silent(), !value)
+    @test !value == MOI.get(model, MOI.Silent())
+    MOI.set(model, MOI.Silent(), value)
+    @test value == MOI.get(model, MOI.Silent())
+    return
+end
+
+function setup_test(
+    ::typeof(test_attribute_Silent),
+    model::MOIU.MockOptimizer,
+    ::Config,
+)
+    MOI.set(model, MOI.Silent(), true)
+    return
+end
+
+"""
+    test_attribute_SolverName(model::MOI.ModelLike, config::Config)
+
+Test that the [`MOI.SolverName`](@ref) attribute is implemented for `model`.
+"""
+function test_attribute_SolverName(model::MOI.ModelLike, config::Config)
+    if _supports(config, MOI.SolverName())
+        @test MOI.get(model, MOI.SolverName()) isa AbstractString
+    end
+    return
+end
+
+"""
+    test_attribute_SolveTimeSec(model::MOI.ModelLike, config::Config)
+
+Test that the [`MOI.SolveTimeSec`](@ref) attribute is implemented for `model`.
+"""
+function test_attribute_SolveTimeSec(model::MOI.ModelLike, config::Config)
+    if !config.supports_optimize || !_supports(config, MOI.SolveTimeSec())
+        return
+    end
+    MOI.add_variable(model)
+    MOI.optimize!(model)
+    @test MOI.get(model, MOI.SolveTimeSec()) >= 0.0
+    return
+end
+
+function setup_test(
+    ::typeof(test_attribute_SolveTimeSec),
+    model::MOIU.MockOptimizer,
+    ::Config,
+)
+    MOIU.set_mock_optimize!(
+        model,
+        (mock::MOIU.MockOptimizer) -> MOI.set(mock, MOI.SolveTimeSec(), 0.0),
+    )
+    return
+end
+
+"""
+    test_attribute_TimeLimitSec(model::MOI.ModelLike, config::Config)
+
+Test that the [`MOI.TimeLimitSec`](@ref) attribute is implemented for `model`.
+"""
+function test_attribute_TimeLimitSec(model::MOI.ModelLike, ::Config)
+    if !MOI.supports(model, MOI.TimeLimitSec())
+        return
+    end
+    @test MOI.supports(model, MOI.TimeLimitSec())
+    # Get the current value to restore it at the end of the test
+    value = MOI.get(model, MOI.TimeLimitSec())
+    MOI.set(model, MOI.TimeLimitSec(), 0.0)
+    @test MOI.get(model, MOI.TimeLimitSec()) == 0.0
+    MOI.set(model, MOI.TimeLimitSec(), 1.0)
+    @test MOI.get(model, MOI.TimeLimitSec()) == 1.0
+    MOI.set(model, MOI.TimeLimitSec(), value)
+    @test value == MOI.get(model, MOI.TimeLimitSec()) # Equality should hold
+    return
+end
+
+function setup_test(
+    ::typeof(test_attribute_TimeLimitSec),
+    model::MOIU.MockOptimizer,
+    ::Config,
+)
+    MOI.set(model, MOI.TimeLimitSec(), nothing)
+    return
+end