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Improve code coverage of src/print.jl #3867

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merged 2 commits into from
Nov 5, 2024
Merged

Improve code coverage of src/print.jl #3867

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Improve code coverage of src/print.jl
odow Nov 4, 2024
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odow Nov 4, 2024
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39 changes: 39 additions & 0 deletions test/test_print.jl
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Original file line number Diff line number Diff line change
Expand Up @@ -17,6 +17,8 @@ using JuMP
using LinearAlgebra
using Test

include("JuMPExtension.jl")

# Helper function to test IO methods work correctly
function _io_test_show(::MIME"text/plain", obj, exp_str)
@test sprint(show, obj) == exp_str
Expand Down Expand Up @@ -1136,4 +1138,41 @@ function test_small_number_latex()
return
end

function test_print_summary()
model = JuMPExtension.MyModel()
@variable(model, x)
@objective(model, Min, x)
@test occursin("Minimization problem with:", sprint(show, model))
return
end

function test_show_objective_summary()
model = Model()
@variable(model, x)
@objective(model, Min, x)
@test sprint(show_objective_function_summary, model) ==
"Objective function type: JuMP.VariableRef\n"
@NLobjective(model, Min, x)
@test sprint(show_objective_function_summary, model) ==
"Objective function type: Nonlinear\n"
return
end

function test_show_constraints_summary()
model = Model()
@variable(model, x)
@constraint(model, x >= 1)
@NLconstraint(model, sin(x) == 1)
@test sprint(show_constraints_summary, model) ==
"`JuMP.AffExpr`-in-`MathOptInterface.GreaterThan{Float64}`: 1 constraint\nNonlinear: 1 constraint\n"
return
end

function test_show_backend_summary()
model = Model()
@test sprint(show_backend_summary, model) ==
"Model mode: AUTOMATIC\nCachingOptimizer state: NO_OPTIMIZER\nSolver name: No optimizer attached."
return
end

end # TestPrint
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