Improved simple test

lib/youplot/backends/unicode_plot_backend.rb

@@ -7,6 +7,8 @@ module YouPlot
   # plotting functions.
   module Backends
     module UnicodePlotBackend
+      class Error < StandardError; end
+
       module_function
 
       def barplot(data, params, fmt = nil, count: false)
@@ -193,14 +195,14 @@ module YouPlot
           warn "  Headers: \e[35m#{data.headers.inspect}\e[0m"
           warn "  The first item is: \e[35m\"#{series[0][0]}\"\e[0m"
           warn "  The last item is : \e[35m\"#{series[0][-1]}\"\e[0m"
-          exit 1 if YouPlot.run_as_executable?
+          YouPlot.run_as_executable ? exit(1) : raise(Error)
         end
         if fmt == 'xyxy' && series.size.odd?
           warn 'YouPlot: In the xyxy format, the number of series must be even.'
           warn ''
           warn "  Number of series: \e[35m#{series.size}\e[0m"
           warn "  Headers: \e[35m#{data.headers.inspect}\e[0m"
-          exit 1 if YouPlot.run_as_executable?
+          YouPlot.run_as_executable ? exit(1) : raise(Error)
         end
       end
     end

test/fixtures/simple-boxplot.txt

@@ -0,0 +1,6 @@
+     ┌                                        ┐ 
+      ╷       ┌──────────┬──────────┐        ╷  
+   1  ├───────┤          │          ├────────┤  
+      ╵       └──────────┴──────────┘        ╵  
+     └                                        ┘ 
+     -50                 0                   50

test/fixtures/simple-histogram.txt

@@ -0,0 +1,9 @@
+                  ┌                                        ┐ 
+   [-60.0, -40.0) ┤▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇ 1                     
+   [-40.0, -20.0) ┤▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇ 2   
+   [-20.0,   0.0) ┤▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇ 2   
+   [  0.0,  20.0) ┤▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇ 1                     
+   [ 20.0,  40.0) ┤▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇ 2   
+   [ 40.0,  60.0) ┤▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇ 2   
+                  └                                        ┘ 
+                                  Frequency

test/fixtures/simple-lineplot.txt

@@ -0,0 +1,18 @@
+       ┌────────────────────────────────────────┐ 
+    50 │⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢸│ 
+       │⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⡄⠀⠀⠀⠀⠀⠀⠀⡸│ 
+       │⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢸⢇⠀⠀⠀⠀⠀⠀⠀⡇│ 
+       │⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢠⢇⠀⠀⠀⠀⠀⠀⠀⡎⢸⠀⠀⠀⠀⠀⠀⢠⠃│ 
+       │⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⡄⠀⠀⠀⠀⠀⠀⠀⡜⢸⠀⠀⠀⠀⠀⠀⢠⠃⠈⡆⠀⠀⠀⠀⠀⢸⠀│ 
+       │⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⡸⠸⡀⠀⠀⠀⠀⠀⢠⠃⠀⡇⠀⠀⠀⠀⠀⢸⠀⠀⢇⠀⠀⠀⠀⠀⡎⠀│ 
+       │⠀⠀⠀⡠⠳⡀⠀⠀⠀⠀⠀⢠⠃⠀⢣⠀⠀⠀⠀⠀⡜⠀⠀⢱⠀⠀⠀⠀⠀⡇⠀⠀⢸⠀⠀⠀⠀⠀⡇⠀│ 
+       │⠤⢤⠼⠤⠤⠵⡤⠤⠤⠤⢤⠧⠤⠤⠼⡤⠤⠤⠤⢤⠧⠤⠤⠬⡦⠤⠤⠤⢴⠥⠤⠤⠬⡦⠤⠤⠤⢼⠤⠤│ 
+       │⡠⠃⠀⠀⠀⠀⠱⡀⠀⠀⡜⠀⠀⠀⠀⢱⠀⠀⠀⡸⠀⠀⠀⠀⢣⠀⠀⠀⡸⠀⠀⠀⠀⡇⠀⠀⠀⡜⠀⠀│ 
+       │⠁⠀⠀⠀⠀⠀⠀⠱⡀⡰⠁⠀⠀⠀⠀⠀⡇⠀⢀⠇⠀⠀⠀⠀⠸⡀⠀⠀⡇⠀⠀⠀⠀⢸⠀⠀⠀⡇⠀⠀│ 
+       │⠀⠀⠀⠀⠀⠀⠀⠀⠱⠃⠀⠀⠀⠀⠀⠀⠸⡀⡸⠀⠀⠀⠀⠀⠀⢇⠀⢸⠀⠀⠀⠀⠀⠘⡄⠀⢰⠁⠀⠀│ 
+       │⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢇⠇⠀⠀⠀⠀⠀⠀⢸⠀⡎⠀⠀⠀⠀⠀⠀⡇⠀⢸⠀⠀⠀│ 
+       │⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠈⠀⠀⠀⠀⠀⠀⠀⠀⣇⠇⠀⠀⠀⠀⠀⠀⢸⠀⡇⠀⠀⠀│ 
+       │⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠹⠀⠀⠀⠀⠀⠀⠀⠘⣄⠇⠀⠀⠀│ 
+   -50 │⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣿⠀⠀⠀⠀│ 
+       └────────────────────────────────────────┘ 
+       1                                       10

test/youplot/iris_test.rb

@@ -104,27 +104,26 @@ class YouPlotIRISTest < Test::Unit::TestCase
     assert_equal fixture('iris-boxplot.txt'), @stderr_file.read
   end
 
-  test :c do
+  # test :c do
-    omit
+  #   YouPlot::Command.new(['count', '-H', '-d,']).run
-    YouPlot::Command.new(['count', '-H', '-d,']).run
+  #   assert_equal fixture('iris-count.txt'), @stderr_file.read
-    assert_equal fixture('iris-count.txt'), @stderr_file.read
+  # end
-  end
 
-  test :count do
+  # test :count do
-    omit
+  #   YouPlot::Command.new(['c', '-H', '-d,']).run
-    YouPlot::Command.new(['c', '-H', '-d,']).run
+  #   assert_equal fixture('iris-count.txt'), @stderr_file.read
-    assert_equal fixture('iris-count.txt'), @stderr_file.read
+  # end
-  end
 
   test :plot_output_stdout do
     YouPlot::Command.new(['bar', '-o', '-H', '-d,', '-t', 'IRIS-BARPLOT']).run
     assert_equal '', @stderr_file.read
+    assert_equal fixture('iris-barplot.txt'), @stdout_file.read
   end
 
   test :data_output_stdout do
     YouPlot::Command.new(['bar', '-O', '-H', '-d,', '-t', 'IRIS-BARPLOT']).run
     assert_equal fixture('iris-barplot.txt'), @stderr_file.read
-    assert_equal File.read(File.expand_path('../fixtures/iris.csv', __dir__)), @stdout_file.read
+    assert_equal fixture('iris.csv'), @stdout_file.read
   end
 
   %i[colors color colours colour].each do |cmd_name|

test/youplot/simple_test.rb

@@ -40,70 +40,77 @@ class YouPlotSimpleTest < Test::Unit::TestCase
     end
   end
 
-  # test :barplot do
+  test :barplot do
-  #   YouPlot::Command.new(['barplot', '-H', '-d,', '-t', 'IRIS-BARPLOT']).run
+    assert_raise(ArgumentError) do
-  #   assert_equal fixture('iris-barplot.txt'), @stderr_file.read
+      YouPlot::Command.new(['barplot']).run
-  # end
+    end
+  end
 
-  # test :hist do
+  test :hist do
-  #   YouPlot::Command.new(['hist', '-H', '-d,', '-t', 'IRIS-HISTOGRAM']).run
+    YouPlot::Command.new(['hist']).run
-  #   assert_equal fixture('iris-histogram.txt'), @stderr_file.read
+    assert_equal fixture('simple-histogram.txt'), @stderr_file.read
-  # end
+  end
 
-  # test :histogram do
+  test :histogram do
-  #   YouPlot::Command.new(['histogram', '-H', '-d,', '-t', 'IRIS-HISTOGRAM']).run
+    YouPlot::Command.new(['histogram']).run
-  #   assert_equal fixture('iris-histogram.txt'), @stderr_file.read
+    assert_equal fixture('simple-histogram.txt'), @stderr_file.read
-  # end
+  end
 
-  # test :line do
+  test :line do
-  #   YouPlot::Command.new(['line', '-H', '-d,', '-t', 'IRIS-LINEPLOT']).run
+    YouPlot::Command.new(['line']).run
-  #   assert_equal fixture('iris-lineplot.txt'), @stderr_file.read
+    assert_equal fixture('simple-lineplot.txt'), @stderr_file.read
-  # end
+  end
 
-  # test :lineplot do
+  test :lineplot do
-  #   YouPlot::Command.new(['lineplot', '-H', '-d,', '-t', 'IRIS-LINEPLOT']).run
+    YouPlot::Command.new(['lineplot']).run
-  #   assert_equal fixture('iris-lineplot.txt'), @stderr_file.read
+    assert_equal fixture('simple-lineplot.txt'), @stderr_file.read
-  # end
+  end
 
-  # test :lines do
+  test :lines do
-  #   YouPlot::Command.new(['lines', '-H', '-d,', '-t', 'IRIS-LINEPLOTS']).run
+    assert_raise(YouPlot::Backends::UnicodePlotBackend::Error) do
-  #   assert_equal fixture('iris-lineplots.txt'), @stderr_file.read
+      YouPlot::Command.new(['lines']).run
-  # end
+    end
+  end
 
-  # test :lineplots do
+  test :lineplots do
-  #   YouPlot::Command.new(['lineplots', '-H', '-d,', '-t', 'IRIS-LINEPLOTS']).run
+    assert_raise(YouPlot::Backends::UnicodePlotBackend::Error) do
-  #   assert_equal fixture('iris-lineplots.txt'), @stderr_file.read
+      YouPlot::Command.new(['lineplots']).run
-  # end
+    end
+  end
 
-  # test :s do
+  test :s do
-  #   YouPlot::Command.new(['s', '-H', '-d,', '-t', 'IRIS-SCATTER']).run
+    assert_raise(YouPlot::Backends::UnicodePlotBackend::Error) do
-  #   assert_equal fixture('iris-scatter.txt'), @stderr_file.read
+      YouPlot::Command.new(['s']).run
-  # end
+    end
+  end
 
-  # test :scatter do
+  test :scatter do
-  #   YouPlot::Command.new(['scatter', '-H', '-d,', '-t', 'IRIS-SCATTER']).run
+    assert_raise(YouPlot::Backends::UnicodePlotBackend::Error) do
-  #   assert_equal fixture('iris-scatter.txt'), @stderr_file.read
+      YouPlot::Command.new(['scatter']).run
-  # end
+    end
+  end
 
-  # test :d do
+  test :d do
-  #   YouPlot::Command.new(['d', '-H', '-d,', '-t', 'IRIS-DENSITY']).run
+    assert_raise(YouPlot::Backends::UnicodePlotBackend::Error) do
-  #   assert_equal fixture('iris-density.txt'), @stderr_file.read
+      YouPlot::Command.new(['d']).run
-  # end
+    end
+  end
 
-  # test :density do
+  test :density do
-  #   YouPlot::Command.new(['density', '-H', '-d,', '-t', 'IRIS-DENSITY']).run
+    assert_raise(YouPlot::Backends::UnicodePlotBackend::Error) do
-  #   assert_equal fixture('iris-density.txt'), @stderr_file.read
+      YouPlot::Command.new(['density']).run
-  # end
+    end
+  end
 
-  # test :box do
+  test :box do
-  #   YouPlot::Command.new(['box', '-H', '-d,', '-t', 'IRIS-BOXPLOT']).run
+    YouPlot::Command.new(['box']).run
-  #   assert_equal fixture('iris-boxplot.txt'), @stderr_file.read
+    assert_equal fixture('simple-boxplot.txt'), @stderr_file.read
-  # end
+  end
 
-  # test :boxplot do
+  test :boxplot do
-  #   YouPlot::Command.new(['boxplot', '-H', '-d,', '-t', 'IRIS-BOXPLOT']).run
+    YouPlot::Command.new(['boxplot']).run
-  #   assert_equal fixture('iris-boxplot.txt'), @stderr_file.read
+    assert_equal fixture('simple-boxplot.txt'), @stderr_file.read
-  # end
+  end
 
   # test :c do
   #   omit
@@ -117,36 +124,15 @@ class YouPlotSimpleTest < Test::Unit::TestCase
   #   assert_equal fixture('iris-count.txt'), @stderr_file.read
   # end
 
-  # test :plot_output_stdout do
+  test :plot_output_stdout do
-  #   YouPlot::Command.new(['bar', '-o', '-H', '-d,', '-t', 'IRIS-BARPLOT']).run
+    YouPlot::Command.new(['line', '-o']).run
-  #   assert_equal '', @stderr_file.read
+    assert_equal '', @stderr_file.read
-  # end
+    assert_equal fixture('simple-lineplot.txt'), @stdout_file.read
+  end
 
-  # test :data_output_stdout do
+  test :data_output_stdout do
-  #   YouPlot::Command.new(['bar', '-O', '-H', '-d,', '-t', 'IRIS-BARPLOT']).run
+    YouPlot::Command.new(['box', '-O']).run
-  #   assert_equal fixture('iris-barplot.txt'), @stderr_file.read
+    assert_equal fixture('simple-boxplot.txt'), @stderr_file.read
-  #   assert_equal File.read(File.expand_path('../fixtures/iris.csv', __dir__)), @stdout_file.read
+    assert_equal fixture('simple.tsv'), @stdout_file.read
-  # end
+  end
-
-  # %i[colors color colours colour].each do |cmd_name|
-  #   test cmd_name do
-  #     YouPlot::Command.new([cmd_name.to_s]).run
-  #     assert_equal fixture('colors.txt'), @stderr_file.read
-  #     assert_equal '', @stdout_file.read
-  #   end
-  # end
-
-  # test :colors_output_stdout do
-  #   YouPlot::Command.new(['colors', '-o']).run
-  #   assert_equal '', @stderr_file.read
-  #   assert_equal fixture('colors.txt'), @stdout_file.read
-  # end
-
-  # test :unrecognized_command do
-  #   assert_raise(YouPlot::Command::Parser::Error) do
-  #     YouPlot::Command.new(['abracadabra', '--hadley', '--wickham']).run
-  #   end
-  #   assert_equal '', @stderr_file.read
-  #   assert_equal '', @stdout_file.read
-  # end
 end