Further increase test coverage

1 files changed, 52 insertions, 0 deletions

diff --git a/tests/testthat/test_mkinmod.R b/tests/testthat/test_mkinmod.R
new file mode 100644
index 00000000..430fad61
--- /dev/null
+++ b/tests/testthat/test_mkinmod.R
@@ -0,0 +1,52 @@
+# Copyright (C) 2019 Johannes Ranke
+# Contact: jranke@uni-bremen.de
+
+# This file is part of the R package mkin
+
+# mkin is free software: you can redistribute it and/or modify it under the
+# terms of the GNU General Public License as published by the Free Software
+# Foundation, either version 3 of the License, or (at your option) any later
+# version.
+
+# This program is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+# FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
+# details.
+
+# You should have received a copy of the GNU General Public License along with
+# this program. If not, see <http://www.gnu.org/licenses/>
+
+context("mkinmod model generation and printing")
+
+test_that("mkinmod stops to prevent and/or explain user errors", {
+  expect_error(mkinmod(compound_x = mkinsub("SFO", to = "compound_x_y"),
+                       compound_x_y = mkinsub("SFO")), 
+               "variable names can not contain each other")
+  expect_error(mkinmod(compound_to_x = mkinsub("SFO")),
+               "can not contain _to_")
+  expect_error(mkinmod(sink = mkinsub("SFO")),
+               "Naming")
+
+  expect_error(mkinmod(parent = mkinsub("SFO"), use_of_ff = "foo"))
+
+  expect_error(mkinmod(parent = mkinsub("foo")))
+
+  expect_error(mkinmod(parent = mkinsub("SFO", "m1"),
+                       m1 = mkinsub("FOMC")),
+               "only implemented for the first compartment")
+
+  expect_error(mkinmod(parent = mkinsub("IORE", "m1"),
+                       m1 = mkinsub("SFO"), use_of_ff = "min"),
+               "only supported with formation fractions")
+
+  expect_error(mkinmod(parent = mkinsub("SFORB", "m1"),
+                       m1 = mkinsub("SFO"), use_of_ff = "max"),
+               "not supported")
+})
+
+test_that("Printing mkinmod models is reproducible", {
+  expect_known_output(print(mkinmod(parent = mkinsub("SFO", "m1"), 
+                                    m1 = mkinsub("SFO"),
+                                    quiet = TRUE)),
+                      file = "SFO_SFO_printed.txt")
+})