From 4a0dc323d389fe85fa23f5750f79c6addf3e0c18 Mon Sep 17 00:00:00 2001
From: irongut <murray.dave@outlook.com>
Date: Mon, 18 Oct 2021 01:24:48 +0100
Subject: [PATCH 1/8] added Thresholds parameter to CLI #15

---
 src/CodeCoverageSummary/CommandLineOptions.cs |  3 ++
 src/CodeCoverageSummary/GlobalSuppressions.cs |  1 +
 src/CodeCoverageSummary/Program.cs            | 46 ++++++++++++++++++-
 .../Properties/launchSettings.json            |  2 +-
 4 files changed, 49 insertions(+), 3 deletions(-)

diff --git a/src/CodeCoverageSummary/CommandLineOptions.cs b/src/CodeCoverageSummary/CommandLineOptions.cs
index 1b588c9..7a85b0f 100644
--- a/src/CodeCoverageSummary/CommandLineOptions.cs
+++ b/src/CodeCoverageSummary/CommandLineOptions.cs
@@ -15,5 +15,8 @@ namespace CodeCoverageSummary
 
         [Option(longName: "output", Required = false, HelpText = "Output Type - console, file or both.", Default = "console")]
         public string Output { get; set; }
+
+        [Option(longName: "thresholds", Required = false, HelpText = "Badge colour thresholds.", Default = "50 75")]
+        public string Thresholds { get; set; }
     }
 }
diff --git a/src/CodeCoverageSummary/GlobalSuppressions.cs b/src/CodeCoverageSummary/GlobalSuppressions.cs
index 920e60b..8163dc6 100644
--- a/src/CodeCoverageSummary/GlobalSuppressions.cs
+++ b/src/CodeCoverageSummary/GlobalSuppressions.cs
@@ -6,3 +6,4 @@
 using System.Diagnostics.CodeAnalysis;
 
 [assembly: SuppressMessage("Performance", "RCS1197:Optimize StringBuilder.Append/AppendLine call.", Scope = "type", Target = "~T:CodeCoverageSummary.Program")]
+[assembly: SuppressMessage("Style", "IDE0057:Use range operator", Scope = "member", Target = "~M:CodeCoverageSummary.Program.SetThresholds(System.String)")]
diff --git a/src/CodeCoverageSummary/Program.cs b/src/CodeCoverageSummary/Program.cs
index 27b4c2b..bd801f2 100644
--- a/src/CodeCoverageSummary/Program.cs
+++ b/src/CodeCoverageSummary/Program.cs
@@ -9,6 +9,9 @@ namespace CodeCoverageSummary
 {
     internal static class Program
     {
+        private static double lowerThreshold = 0.5;
+        private static double upperThreshold = 0.75;
+
         private static int Main(string[] args)
         {
             return Parser.Default.ParseArguments<CommandLineOptions>(args)
@@ -32,6 +35,10 @@ namespace CodeCoverageSummary
                                          }
                                          else
                                          {
+                                             // set health badge thresholds
+                                             if (!string.IsNullOrWhiteSpace(o.Thresholds))
+                                                 SetThresholds(o.Thresholds);
+
                                              // generate badge
                                              string badgeUrl = o.Badge ? GenerateBadge(summary) : null;
 
@@ -158,14 +165,49 @@ namespace CodeCoverageSummary
             }
         }
 
+        private static void SetThresholds(string thresholds)
+        {
+            int lowerPercentage;
+            int upperPercentage = (int)(upperThreshold * 100);
+            int s = thresholds.IndexOf(" ");
+            if (s == 0)
+            {
+                throw new ArgumentException("Threshold parameter set incorrectly.");
+            }
+            else if (s < 0)
+            {
+                if (!int.TryParse(thresholds, out lowerPercentage))
+                    throw new ArgumentException("Threshold parameter set incorrectly.");
+            }
+            else
+            {
+                if (!int.TryParse(thresholds.Substring(0, s), out lowerPercentage))
+                    throw new ArgumentException("Threshold parameter set incorrectly.");
+
+                if (!int.TryParse(thresholds.Substring(s + 1), out upperPercentage))
+                    throw new ArgumentException("Threshold parameter set incorrectly.");
+            }
+            lowerThreshold = lowerPercentage / 100.0;
+            upperThreshold = upperPercentage / 100.0;
+
+            if (lowerThreshold > 1.0)
+                lowerThreshold = 1.0;
+
+            if (lowerThreshold > upperThreshold)
+                upperThreshold = lowerThreshold + 0.1;
+
+            if (upperThreshold > 1.0)
+                upperThreshold = 1.0;
+        }
+
         private static string GenerateBadge(CodeSummary summary)
         {
             string colour;
-            if (summary.LineRate < 0.5)
+            if (summary.LineRate < lowerThreshold)
             {
                 colour = "critical";
             }
-            else if (summary.LineRate < 0.75)
+            else if (summary.LineRate < upperThreshold)
             {
                 colour = "yellow";
             }
diff --git a/src/CodeCoverageSummary/Properties/launchSettings.json b/src/CodeCoverageSummary/Properties/launchSettings.json
index 77ec29b..d4e9905 100644
--- a/src/CodeCoverageSummary/Properties/launchSettings.json
+++ b/src/CodeCoverageSummary/Properties/launchSettings.json
@@ -2,7 +2,7 @@
   "profiles": {
     "CodeCoverageSummary": {
       "commandName": "Project",
-      "commandLineArgs": "../../../../coverage.gcovr.xml --format=md --badge=true"
+      "commandLineArgs": "../../../../coverage.cobertura.xml --format=md --badge=true --thresholds=\"80 90\""
     },
     "Docker": {
       "commandName": "Docker",

From ecc89a90a8aee6526adb00cca45d642926b8a183 Mon Sep 17 00:00:00 2001
From: irongut <murray.dave@outlook.com>
Date: Mon, 18 Oct 2021 01:30:03 +0100
Subject: [PATCH 2/8] added Thresholds parameter to action definition #15

---
 action.yml                                    | 6 ++++++
 src/CodeCoverageSummary/CommandLineOptions.cs | 2 +-
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/action.yml b/action.yml
index ad67fd2..1b4ef0a 100644
--- a/action.yml
+++ b/action.yml
@@ -20,6 +20,10 @@ inputs:
     description: 'Output Type - console (default), file or both.'
     required: false
     default: 'console'
+  thresholds:
+    description: 'Badge colour threshold percentages, default '50 75'.'
+    required: false
+    default: '50 75'
 runs:
   using: 'docker'
   image: 'docker://ghcr.io/irongut/codecoveragesummary:v1.0.5'
@@ -31,3 +35,5 @@ runs:
     - ${{ inputs.format }}
     - '--output'
     - ${{ inputs.output }}
+    - '--thresholds'
+    - ${{ inputs.thresholds }}
diff --git a/src/CodeCoverageSummary/CommandLineOptions.cs b/src/CodeCoverageSummary/CommandLineOptions.cs
index 7a85b0f..6565df2 100644
--- a/src/CodeCoverageSummary/CommandLineOptions.cs
+++ b/src/CodeCoverageSummary/CommandLineOptions.cs
@@ -16,7 +16,7 @@ namespace CodeCoverageSummary
         [Option(longName: "output", Required = false, HelpText = "Output Type - console, file or both.", Default = "console")]
         public string Output { get; set; }
 
-        [Option(longName: "thresholds", Required = false, HelpText = "Badge colour thresholds.", Default = "50 75")]
+        [Option(longName: "thresholds", Required = false, HelpText = "Badge colour threshold percentages.", Default = "50 75")]
         public string Thresholds { get; set; }
     }
 }

From 6ed1f6c50d142d492449f1d3907cd0578b8e06c2 Mon Sep 17 00:00:00 2001
From: irongut <murray.dave@outlook.com>
Date: Mon, 18 Oct 2021 23:26:42 +0100
Subject: [PATCH 3/8] added health indicators #14

---
 src/CodeCoverageSummary/CommandLineOptions.cs |  3 +
 src/CodeCoverageSummary/Program.cs            | 93 +++++++++----------
 2 files changed, 48 insertions(+), 48 deletions(-)

diff --git a/src/CodeCoverageSummary/CommandLineOptions.cs b/src/CodeCoverageSummary/CommandLineOptions.cs
index 6565df2..3301391 100644
--- a/src/CodeCoverageSummary/CommandLineOptions.cs
+++ b/src/CodeCoverageSummary/CommandLineOptions.cs
@@ -13,6 +13,9 @@ namespace CodeCoverageSummary
         [Option(longName: "format", Required = false, HelpText = "Output Format - markdown or text.", Default = "text")]
         public string Format { get; set; }
 
+        [Option(longName: "indicators", Required = false, HelpText = "Include package health indicators in the output - true or false.", Default = true)]
+        public bool Indicators { get; set; }
+
         [Option(longName: "output", Required = false, HelpText = "Output Type - console, file or both.", Default = "console")]
         public string Output { get; set; }
 
diff --git a/src/CodeCoverageSummary/Program.cs b/src/CodeCoverageSummary/Program.cs
index bd801f2..89ad2c3 100644
--- a/src/CodeCoverageSummary/Program.cs
+++ b/src/CodeCoverageSummary/Program.cs
@@ -48,12 +48,12 @@ namespace CodeCoverageSummary
                                              if (o.Format.Equals("text", StringComparison.OrdinalIgnoreCase))
                                              {
                                                  fileExt = "txt";
-                                                 output = GenerateTextOutput(summary, badgeUrl);
+                                                 output = GenerateTextOutput(summary, badgeUrl, o.Indicators);
                                              }
                                              else if (o.Format.Equals("md", StringComparison.OrdinalIgnoreCase) || o.Format.Equals("markdown", StringComparison.OrdinalIgnoreCase))
                                              {
                                                  fileExt = "md";
-                                                 output = GenerateMarkdownOutput(summary, badgeUrl);
+                                                 output = GenerateMarkdownOutput(summary, badgeUrl, o.Indicators);
                                              }
                                              else
                                              {
@@ -218,78 +218,75 @@ namespace CodeCoverageSummary
             return $"https://img.shields.io/badge/Code%20Coverage-{summary.LineRate * 100:N0}%25-{colour}?style=flat";
         }
 
-        private static string GenerateTextOutput(CodeSummary summary, string badgeUrl)
+        private static string GenerateHealthIndicator(double rate)
+        {
+            if (rate < lowerThreshold)
+            {
+                return "❌";
+            }
+            else if (rate < upperThreshold)
+            {
+                return "➖";
+            }
+            else
+            {
+                return "✔";
+            }
+        }
+
+        private static string GenerateTextOutput(CodeSummary summary, string badgeUrl, bool indicators)
         {
             StringBuilder textOutput = new();
 
             if (!string.IsNullOrWhiteSpace(badgeUrl))
             {
-                textOutput.AppendLine(badgeUrl);
-            }
-
-            textOutput.AppendLine($"Line Rate = {summary.LineRate * 100:N0}%, Lines Covered = {summary.LinesCovered} / {summary.LinesValid}")
-                      .AppendLine($"Branch Rate = {summary.BranchRate * 100:N0}%, Branches Covered = {summary.BranchesCovered} / {summary.BranchesValid}");
-
-            if (summary.Complexity % 1 == 0)
-            {
-                textOutput.AppendLine($"Complexity = {summary.Complexity}");
-            }
-            else
-            {
-                textOutput.AppendLine($"Complexity = {summary.Complexity:N4}");
+                textOutput.AppendLine(badgeUrl)
+                          .AppendLine();
             }
 
             foreach (CodeCoverage package in summary.Packages)
             {
-                if (package.Complexity % 1 == 0)
-                {
-                    textOutput.AppendLine($"{package.Name}: Line Rate = {package.LineRate * 100:N0}%, Branch Rate = {package.BranchRate * 100:N0}%, Complexity = {package.Complexity}");
-                }
-                else
-                {
-                    textOutput.AppendLine($"{package.Name}: Line Rate = {package.LineRate * 100:N0}%, Branch Rate = {package.BranchRate * 100:N0}%, Complexity = {package.Complexity:N4}");
-                }
+                textOutput.Append($"{package.Name}: Line Rate = {package.LineRate * 100:N0}%")
+                          .Append($", Branch Rate = {package.BranchRate * 100:N0}%")
+                          .Append((package.Complexity % 1 == 0) ? $", Complexity = {package.Complexity}" : $", Complexity = {package.Complexity:N4}")
+                          .AppendLine(indicators ? $", {GenerateHealthIndicator(package.LineRate)}" : string.Empty);
             }
 
+            textOutput.Append($"Summary: Line Rate = {summary.LineRate * 100:N0}% ({summary.LinesCovered} / {summary.LinesValid})")
+                      .Append($", Branch Rate = {summary.BranchRate * 100:N0}% ({summary.BranchesCovered} / {summary.BranchesValid})")
+                      .Append((summary.Complexity % 1 == 0) ? $", Complexity = {summary.Complexity}" : $", Complexity = {summary.Complexity:N4}")
+                      .AppendLine(indicators ? $", {GenerateHealthIndicator(summary.LineRate)}" : string.Empty);
+
             return textOutput.ToString();
         }
 
-        private static string GenerateMarkdownOutput(CodeSummary summary, string badgeUrl)
+        private static string GenerateMarkdownOutput(CodeSummary summary, string badgeUrl, bool indicators)
         {
             StringBuilder markdownOutput = new();
 
             if (!string.IsNullOrWhiteSpace(badgeUrl))
             {
-                markdownOutput.AppendLine($"![Code Coverage]({badgeUrl})");
-                markdownOutput.AppendLine("");
+                markdownOutput.AppendLine($"![Code Coverage]({badgeUrl})")
+                              .AppendLine();
             }
 
-            markdownOutput.AppendLine("Package | Line Rate | Branch Rate | Complexity")
-                          .AppendLine("-------- | --------- | ----------- | ----------");
+            markdownOutput.Append("Package | Line Rate | Branch Rate | Complexity")
+                          .AppendLine(indicators ? " | Health" : string.Empty)
+                          .Append("-------- | --------- | ----------- | ----------")
+                          .AppendLine(indicators ? " | ------" : string.Empty);
 
             foreach (CodeCoverage package in summary.Packages)
             {
-                if (package.Complexity % 1 == 0)
-                {
-                    markdownOutput.AppendLine($"{package.Name} | {package.LineRate * 100:N0}% | {package.BranchRate * 100:N0}% | {package.Complexity}");
-                }
-                else
-                {
-                    markdownOutput.AppendLine($"{package.Name} | {package.LineRate * 100:N0}% | {package.BranchRate * 100:N0}% | {package.Complexity:N4}");
-                }
+                markdownOutput.Append($"{package.Name} | {package.LineRate * 100:N0}%")
+                              .Append($" | {package.BranchRate * 100:N0}%")
+                              .Append((package.Complexity % 1 == 0) ? $" | {package.Complexity}" : $" | {package.Complexity:N4}" )
+                              .AppendLine(indicators ? $" | {GenerateHealthIndicator(package.LineRate)}" : string.Empty);
             }
 
-            markdownOutput.Append($"**Summary** | **{summary.LineRate * 100:N0}%** ({summary.LinesCovered} / {summary.LinesValid}) | ")
-                          .Append($"**{summary.BranchRate * 100:N0}%** ({summary.BranchesCovered} / {summary.BranchesValid}) | ");
-
-            if (summary.Complexity % 1 == 0)
-            {
-                markdownOutput.AppendLine(summary.Complexity.ToString());
-            }
-            else
-            {
-                markdownOutput.AppendLine(summary.Complexity.ToString("N4"));
-            }
+            markdownOutput.Append($"**Summary** | **{summary.LineRate * 100:N0}%** ({summary.LinesCovered} / {summary.LinesValid})")
+                          .Append($" | **{summary.BranchRate * 100:N0}%** ({summary.BranchesCovered} / {summary.BranchesValid})")
+                          .Append((summary.Complexity % 1 == 0) ? $" | {summary.Complexity}" : $" | {summary.Complexity:N4}")
+                          .AppendLine(indicators ? $" | {GenerateHealthIndicator(summary.LineRate)}" : string.Empty);
 
             return markdownOutput.ToString();
         }

From 7c070aea386905d3c67473352a3d649d4e782222 Mon Sep 17 00:00:00 2001
From: irongut <murray.dave@outlook.com>
Date: Tue, 19 Oct 2021 00:03:22 +0100
Subject: [PATCH 4/8] fixed issue with bool parameters

---
 src/CodeCoverageSummary/CommandLineOptions.cs       | 13 +++++++++----
 .../Properties/launchSettings.json                  |  2 +-
 2 files changed, 10 insertions(+), 5 deletions(-)

diff --git a/src/CodeCoverageSummary/CommandLineOptions.cs b/src/CodeCoverageSummary/CommandLineOptions.cs
index 3301391..156d73d 100644
--- a/src/CodeCoverageSummary/CommandLineOptions.cs
+++ b/src/CodeCoverageSummary/CommandLineOptions.cs
@@ -1,4 +1,5 @@
 using CommandLine;
+using System;
 
 namespace CodeCoverageSummary
 {
@@ -7,14 +8,18 @@ namespace CodeCoverageSummary
         [Value(index: 0, Required = true, HelpText = "Code coverage file to analyse.")]
         public string Filename { get; set; }
 
-        [Option(longName: "badge", Required = false, HelpText = "Include a badge reporting the Line Rate coverage in the output using shields.io - true or false.", Default = false)]
-        public bool Badge { get; set; }
+        [Option(longName: "badge", Required = false, HelpText = "Include a badge reporting the Line Rate coverage in the output using shields.io - true or false.", Default = "false")]
+        public string BadgeString { get; set; }
+
+        public bool Badge => BadgeString.Equals("true", StringComparison.OrdinalIgnoreCase);
 
         [Option(longName: "format", Required = false, HelpText = "Output Format - markdown or text.", Default = "text")]
         public string Format { get; set; }
 
-        [Option(longName: "indicators", Required = false, HelpText = "Include package health indicators in the output - true or false.", Default = true)]
-        public bool Indicators { get; set; }
+        [Option(longName: "indicators", Required = false, HelpText = "Include package health indicators in the output - true or false.", Default = "true")]
+        public string IndicatorsString { get; set; }
+
+        public bool Indicators => IndicatorsString.Equals("true", StringComparison.OrdinalIgnoreCase);
 
         [Option(longName: "output", Required = false, HelpText = "Output Type - console, file or both.", Default = "console")]
         public string Output { get; set; }
diff --git a/src/CodeCoverageSummary/Properties/launchSettings.json b/src/CodeCoverageSummary/Properties/launchSettings.json
index d4e9905..583b9e3 100644
--- a/src/CodeCoverageSummary/Properties/launchSettings.json
+++ b/src/CodeCoverageSummary/Properties/launchSettings.json
@@ -2,7 +2,7 @@
   "profiles": {
     "CodeCoverageSummary": {
       "commandName": "Project",
-      "commandLineArgs": "../../../../coverage.cobertura.xml --format=md --badge=true --thresholds=\"80 90\""
+      "commandLineArgs": "../../../../coverage.cobertura.xml --format=md --badge true --thresholds=\"80 90\""
     },
     "Docker": {
       "commandName": "Docker",

From d8b1bc5ef2b36ac0edd0bae9ecdada27c0707ae5 Mon Sep 17 00:00:00 2001
From: irongut <murray.dave@outlook.com>
Date: Tue, 19 Oct 2021 00:28:24 +0100
Subject: [PATCH 5/8] updated CLI help text

---
 src/CodeCoverageSummary/CommandLineOptions.cs | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/CodeCoverageSummary/CommandLineOptions.cs b/src/CodeCoverageSummary/CommandLineOptions.cs
index 156d73d..ca4c016 100644
--- a/src/CodeCoverageSummary/CommandLineOptions.cs
+++ b/src/CodeCoverageSummary/CommandLineOptions.cs
@@ -8,7 +8,7 @@ namespace CodeCoverageSummary
         [Value(index: 0, Required = true, HelpText = "Code coverage file to analyse.")]
         public string Filename { get; set; }
 
-        [Option(longName: "badge", Required = false, HelpText = "Include a badge reporting the Line Rate coverage in the output using shields.io - true or false.", Default = "false")]
+        [Option(longName: "badge", Required = false, HelpText = "Include a Line Rate coverage badge in the output using shields.io - true or false.", Default = "false")]
         public string BadgeString { get; set; }
 
         public bool Badge => BadgeString.Equals("true", StringComparison.OrdinalIgnoreCase);
@@ -16,7 +16,7 @@ namespace CodeCoverageSummary
         [Option(longName: "format", Required = false, HelpText = "Output Format - markdown or text.", Default = "text")]
         public string Format { get; set; }
 
-        [Option(longName: "indicators", Required = false, HelpText = "Include package health indicators in the output - true or false.", Default = "true")]
+        [Option(longName: "indicators", Required = false, HelpText = "Include health indicators in the output - true or false.", Default = "true")]
         public string IndicatorsString { get; set; }
 
         public bool Indicators => IndicatorsString.Equals("true", StringComparison.OrdinalIgnoreCase);
@@ -24,7 +24,7 @@ namespace CodeCoverageSummary
         [Option(longName: "output", Required = false, HelpText = "Output Type - console, file or both.", Default = "console")]
         public string Output { get; set; }
 
-        [Option(longName: "thresholds", Required = false, HelpText = "Badge colour threshold percentages.", Default = "50 75")]
+        [Option(longName: "thresholds", Required = false, HelpText = "Badge and health indicator threshold percentages.", Default = "50 75")]
         public string Thresholds { get; set; }
     }
 }

From b97bc1147af55c4fdc12eee1ccb66240207fa5e0 Mon Sep 17 00:00:00 2001
From: irongut <murray.dave@outlook.com>
Date: Tue, 19 Oct 2021 00:29:37 +0100
Subject: [PATCH 6/8] added indicators parameter to action definition #14

---
 action.yml | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/action.yml b/action.yml
index 1b4ef0a..d80c442 100644
--- a/action.yml
+++ b/action.yml
@@ -9,19 +9,23 @@ inputs:
     description: 'Code coverage file to analyse.'
     required: true
   badge:
-    description: 'Include a badge in the output - true / false (default).'
+    description: 'Include a Line Rate coverage badge in the output using shields.io - true / false (default).'
     required: false
     default: 'false'
   format:
     description: 'Output Format - markdown or text (default).'
     required: false
     default: 'text'
+  indicators:
+    description: 'Include health indicators in the output - true (default) / false.'
+    required: false
+    default: 'true'
   output:
     description: 'Output Type - console (default), file or both.'
     required: false
     default: 'console'
   thresholds:
-    description: 'Badge colour threshold percentages, default '50 75'.'
+    description: 'Badge and health indicator threshold percentages, default '50 75'.'
     required: false
     default: '50 75'
 runs:
@@ -33,6 +37,8 @@ runs:
     - ${{ inputs.badge }}
     - '--format'
     - ${{ inputs.format }}
+    - '--indicators'
+    - ${{ inputs.indicators }}
     - '--output'
     - ${{ inputs.output }}
     - '--thresholds'

From 02bb8246068e32719d0260ee2a4d09747545bbe2 Mon Sep 17 00:00:00 2001
From: irongut <murray.dave@outlook.com>
Date: Tue, 19 Oct 2021 23:49:51 +0100
Subject: [PATCH 7/8] added ability to fail a workflow #16

---
 src/CodeCoverageSummary/CommandLineOptions.cs          |  7 ++++++-
 src/CodeCoverageSummary/Program.cs                     | 10 ++++++++++
 src/CodeCoverageSummary/Properties/launchSettings.json |  2 +-
 3 files changed, 17 insertions(+), 2 deletions(-)

diff --git a/src/CodeCoverageSummary/CommandLineOptions.cs b/src/CodeCoverageSummary/CommandLineOptions.cs
index ca4c016..6ca33ec 100644
--- a/src/CodeCoverageSummary/CommandLineOptions.cs
+++ b/src/CodeCoverageSummary/CommandLineOptions.cs
@@ -13,6 +13,11 @@ namespace CodeCoverageSummary
 
         public bool Badge => BadgeString.Equals("true", StringComparison.OrdinalIgnoreCase);
 
+        [Option(longName: "fail", Required = false, HelpText = "Fail if overall Line Rate below lower threshold - true or false.", Default = "false")]
+        public string FailString { get; set; }
+
+        public bool FailBelowThreshold => FailString.Equals("true", StringComparison.OrdinalIgnoreCase);
+
         [Option(longName: "format", Required = false, HelpText = "Output Format - markdown or text.", Default = "text")]
         public string Format { get; set; }
 
@@ -24,7 +29,7 @@ namespace CodeCoverageSummary
         [Option(longName: "output", Required = false, HelpText = "Output Type - console, file or both.", Default = "console")]
         public string Output { get; set; }
 
-        [Option(longName: "thresholds", Required = false, HelpText = "Badge and health indicator threshold percentages.", Default = "50 75")]
+        [Option(longName: "thresholds", Required = false, HelpText = "Threshold percentages for badge and health indicators, lower threshold can also be used to fail the action.", Default = "50 75")]
         public string Thresholds { get; set; }
     }
 }
diff --git a/src/CodeCoverageSummary/Program.cs b/src/CodeCoverageSummary/Program.cs
index 89ad2c3..ad0e30b 100644
--- a/src/CodeCoverageSummary/Program.cs
+++ b/src/CodeCoverageSummary/Program.cs
@@ -49,11 +49,15 @@ namespace CodeCoverageSummary
                                              {
                                                  fileExt = "txt";
                                                  output = GenerateTextOutput(summary, badgeUrl, o.Indicators);
+                                                 if (o.FailBelowThreshold)
+                                                     output += $"Minimum allowed line rate is {lowerThreshold * 100:N0}%{Environment.NewLine}";
                                              }
                                              else if (o.Format.Equals("md", StringComparison.OrdinalIgnoreCase) || o.Format.Equals("markdown", StringComparison.OrdinalIgnoreCase))
                                              {
                                                  fileExt = "md";
                                                  output = GenerateMarkdownOutput(summary, badgeUrl, o.Indicators);
+                                                 if (o.FailBelowThreshold)
+                                                     output += $"{Environment.NewLine}_Minimum allowed line rate is `{lowerThreshold * 100:N0}%`_{Environment.NewLine}";
                                              }
                                              else
                                              {
@@ -81,6 +85,12 @@ namespace CodeCoverageSummary
                                                  return -2; // error
                                              }
 
+                                             if (o.FailBelowThreshold && summary.LineRate < lowerThreshold)
+                                             {
+                                                 Console.WriteLine($"FAIL: Overall line rate below minimum threshold of {lowerThreshold * 100:N0}%.");
+                                                 return -2;
+                                             }
+
                                              return 0; // success
                                          }
                                      }
diff --git a/src/CodeCoverageSummary/Properties/launchSettings.json b/src/CodeCoverageSummary/Properties/launchSettings.json
index 583b9e3..25f7867 100644
--- a/src/CodeCoverageSummary/Properties/launchSettings.json
+++ b/src/CodeCoverageSummary/Properties/launchSettings.json
@@ -2,7 +2,7 @@
   "profiles": {
     "CodeCoverageSummary": {
       "commandName": "Project",
-      "commandLineArgs": "../../../../coverage.cobertura.xml --format=md --badge true --thresholds=\"80 90\""
+      "commandLineArgs": "../../../../coverage.cobertura.xml --format=md --badge true --thresholds=\"85 90\" --fail true"
     },
     "Docker": {
       "commandName": "Docker",

From 2389c9883ac04ae4fa61a755169f779eb2d5e5c2 Mon Sep 17 00:00:00 2001
From: irongut <murray.dave@outlook.com>
Date: Wed, 20 Oct 2021 00:01:43 +0100
Subject: [PATCH 8/8] added fail_below_min to action definition #16

---
 action.yml | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/action.yml b/action.yml
index d80c442..9096f18 100644
--- a/action.yml
+++ b/action.yml
@@ -12,6 +12,10 @@ inputs:
     description: 'Include a Line Rate coverage badge in the output using shields.io - true / false (default).'
     required: false
     default: 'false'
+  fail_below_min:
+    description: 'Fail if overall Line Rate below lower threshold - true / false (default).'
+    required: false
+    default: 'false'
   format:
     description: 'Output Format - markdown or text (default).'
     required: false
@@ -25,7 +29,7 @@ inputs:
     required: false
     default: 'console'
   thresholds:
-    description: 'Badge and health indicator threshold percentages, default '50 75'.'
+    description: 'Threshold percentages for badge and health indicators, lower threshold can also be used to fail the action.'
     required: false
     default: '50 75'
 runs:
@@ -35,6 +39,8 @@ runs:
     - ${{ inputs.filename }}
     - '--badge'
     - ${{ inputs.badge }}
+    - '--fail'
+    - ${{ inputs.fail_below_min }}
     - '--format'
     - ${{ inputs.format }}
     - '--indicators'