line source example idaholab#3990

test/tests/misc/line_source/line_source.i

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+[Mesh]
+  type = FileMesh
+  file = line_source_cube.e
+  dim = 2
+[]
+
+[Variables]
+  [./u]
+  [../]
+[]
+
+[Kernels]
+  [./diff]
+    type = Diffusion
+    variable = u
+    block = bulk
+  [../]
+  [./heating]
+    type = UserForcingFunction
+    variable = u
+    function = 1
+    block = heater
+  [../]
+[]
+
+[BCs]
+  [./outside]
+    type = DirichletBC
+    variable = u
+    boundary = outside
+    value = 0
+  [../]
+[]
+
+[Materials]
+  [./diffusivity]
+    type = GenericConstantMaterial
+    block = 'bulk heater'
+    prop_names = diffusivity
+    prop_values = 1
+  [../]
+[]
+
+[Postprocessors]
+  [./total_flux]
+    type = SideFluxIntegral
+    variable = u
+    boundary = outside
+    diffusivity = diffusivity
+  [../]
+[]
+
+[Executioner]
+  # Preconditioned JFNK (default)
+  type = Steady
+  solve_type = PJFNK
+  petsc_options_iname = '-pc_type -pc_hypre_type'
+  petsc_options_value = 'hypre boomeramg'
+[]
+
+[Outputs]
+  output_initial = true
+  exodus = true
+  [./console]
+    type = Console
+    perf_log = true
+    linear_residuals = true
+  [../]
+[]
+

test/tests/misc/line_source/tests

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+[Tests]
+  [./test]
+    type = 'Exodiff'
+    input = 'line_source.i'
+    exodiff = 'line_source_out.e'
+  [../]
+[]