From 13a6bba381fd01415fa0782c773e44876bbad91a Mon Sep 17 00:00:00 2001
From: Ichthyostega <prg@ichthyostega.de>
Date: Tue, 2 Apr 2024 21:45:58 +0200
Subject: [PATCH] Library: some minimal test coverage

check some tokens to be expected in the generated Gnuplot script
---
 src/lib/gnuplot-gen.cpp            | 12 ++++++------
 tests/library/gnuplot-gen-test.cpp | 11 +++++++++--
 2 files changed, 15 insertions(+), 8 deletions(-)

diff --git a/src/lib/gnuplot-gen.cpp b/src/lib/gnuplot-gen.cpp
index fbec75297..53f0d3866 100644
--- a/src/lib/gnuplot-gen.cpp
+++ b/src/lib/gnuplot-gen.cpp
@@ -51,7 +51,7 @@ namespace gnuplot_gen {
     
     
     const string GNUPLOT_CommonStyleDef = R"~(#
-#---common-styles-for-plots-from-Lumiera----
+#---common-styles-for-plots-from-Lumiera---------
 set style line 1 linetype  1 linewidth 2 linecolor rgb '#240CC3'
 set style line 2 linetype  3 linewidth 2 linecolor rgb '#1149D6'
 set style line 3 linetype  2 linewidth 2 linecolor rgb '#0B7FCC'
@@ -64,17 +64,17 @@ set style line 9 linetype  4 linewidth 2 linecolor rgb '#AA0519'
 
 set style line 10 linetype 1 linewidth 1 linecolor rgb '#303030'
 set style line 11 linetype 0 linewidth 1 linecolor rgb '#A0A0A0' dashtype 3
-#---(End)styles-----------------------------
+#---(End)styles----------------------------------
 )~";
     
     const string GNUPLOT_AxisGridSetup = R"~(#
-#---axis-and-grid-setup---------------------
+#---axis-and-grid-setup--------------------------
 unset border
 set tics nomirror
 set grid back linestyle 11
 
 set arrow 10 from graph 0,0 to graph 1.04,0 size screen 0.025,15,60 filled ls 10
-set arrow 11 from graph 0,0 to graph 0,1.05 size screen 0.025,15,60 filled ls 10
+set arrow 11 from graph 0,0 to graph 0,1.08 size screen 0.025,15,60 filled ls 10
 )~";
     
     
@@ -89,7 +89,7 @@ endif Term}
 
 set datafile separator ",;"
 
-####---------Data---------------------------
+####---------Data--------------------------------
 $RunData << _End_of_Data_
 ${CSVData}
 _End_of_Data_
@@ -114,7 +114,7 @@ set key autotitle columnheader tmargin
 )~";
     
     const string GNUPLOT_SIMPLE_DATA_PLOT = R"~(#
-####----------------------------------------
+####---------------------------------------------
 plot for [i=2:*] $RunData using 1:i with ${DiagramKind} linestyle i-1
 
 )~";
diff --git a/tests/library/gnuplot-gen-test.cpp b/tests/library/gnuplot-gen-test.cpp
index 6ddacf6fe..3015e9132 100644
--- a/tests/library/gnuplot-gen-test.cpp
+++ b/tests/library/gnuplot-gen-test.cpp
@@ -34,6 +34,7 @@
 #include "lib/test/diagnostic-output.hpp"///////////////////////TODO
 
 using lib::stat::CSVData;
+using util::contains;
 
 namespace lib {
 namespace test{
@@ -64,8 +65,8 @@ namespace test{
         }
       
       
-      /** @test TODO
-       * @todo WIP 4/24 🔁 define ⟶ ✔ implement
+      /** @test Create simple (x,y) data point visualisation
+       * @todo WIP 4/24 ✔ define ⟶ ✔ implement
        */
       void
       simpeUsage()
@@ -81,6 +82,12 @@ namespace test{
                                                           ,{7,21.55}
                                                          }});
           cout << gnuplot <<endl;
+          
+          CHECK (contains (gnuplot, "set datafile separator \",;\""));
+          CHECK (contains (gnuplot, "\"step\",\"fib\""));
+          CHECK (contains (gnuplot, "7,21.55"));
+          CHECK (contains (gnuplot, "set key autotitle columnheader"));
+          CHECK (contains (gnuplot, "plot for [i=2:*] $RunData using 1:i with points"));
         }