feat: test output color

README.md

@@ -166,6 +166,7 @@ consider setting up neotest and its adapters in a
 | `go_list_args`           | `{}`                              | Arguments to pass into `go list`. Note: [`-tags` usage](https://github.com/fredrikaverpil/neotest-golang#using-build-tags), [pass args as function](https://github.com/fredrikaverpil/neotest-golang#pass-arguments-as-function-instead-of-table).                                                                                   |
 | `dap_go_opts`            | `{}`                              | Options to pass into `require("dap-go").setup()`. Note: [`-tags` usage](https://github.com/fredrikaverpil/neotest-golang#using-build-tags), [pass args as function](https://github.com/fredrikaverpil/neotest-golang#pass-arguments-as-function-instead-of-table).                                                                   |
 | `testify_enabled`        | `false`                           | Enable support for [testify](https://github.com/stretchr/testify) suites. See [here](https://github.com/fredrikaverpil/neotest-golang#testify-suites) for more info.                                                                                                                                                                 |
+| `colorize_test_output`   | `true`                            | Enable output color for `SUCCESS`, `FAIL`, and `SKIP` tests.                                                                                                                                                                                                                                                                         |
 | `warn_test_name_dupes`   | `true`                            | Warn about duplicate test names within the same Go package.                                                                                                                                                                                                                                                                          |
 | `warn_test_not_executed` | `true`                            | Warn if test was not executed.                                                                                                                                                                                                                                                                                                       |
 

lua/neotest-golang/options.lua

@@ -13,6 +13,7 @@ local opts = {
   go_list_args = {}, -- NOTE: can also be a function
   dap_go_opts = {}, -- NOTE: can also be a function
   testify_enabled = false,
+  colorize_test_output = true,
   warn_test_name_dupes = true,
   warn_test_not_executed = true,
 

lua/neotest-golang/process.lua

@@ -302,6 +302,8 @@ function M.decorate_with_go_test_results(res, gotest_output)
         elseif line.Action == "fail" then
           test_data.status = "failed"
         elseif line.Action == "output" then
+          line.Output = M.colorizer(line.Output)
+
           test_data.gotest_data.output =
             vim.list_extend(test_data.gotest_data.output, { line.Output })
 
@@ -334,6 +336,26 @@ function M.decorate_with_go_test_results(res, gotest_output)
   return res
 end
 
+--- Colorize the test output based on the test result.
+---
+--- It will colorize the test output line based on the test result (PASS - green, FAIL - red, SKIP - yellow).
+--- @param output string
+--- @return string
+function M.colorizer(output)
+  if not options.get().colorize_test_output == true or not output then
+    return output
+  end
+
+  if string.find(output, "FAIL") then
+    output = output:gsub("^", ""):gsub("$", "")
+  elseif string.find(output, "PASS") then
+    output = output:gsub("^", ""):gsub("$", "")
+  elseif string.find(output, "SKIP") then
+    output = output:gsub("^", ""):gsub("$", "")
+  end
+  return output
+end
+
 --- Show warnings.
 --- @param d table<string, TestData>
 --- @return nil

tests/unit/options_spec.lua

@@ -14,6 +14,7 @@ describe("Options are set up", function()
       gotestsum_args = { "--format=standard-verbose" },
       dap_go_opts = {},
       testify_enabled = false,
+      colorize_test_output = true,
       warn_test_name_dupes = true,
       warn_test_not_executed = true,
 
@@ -37,6 +38,7 @@ describe("Options are set up", function()
       gotestsum_args = { "--format=standard-verbose" },
       dap_go_opts = {},
       testify_enabled = false,
+      colorize_test_output = false,
       warn_test_name_dupes = true,
       warn_test_not_executed = true,
 
@@ -64,6 +66,7 @@ describe("Options are set up", function()
         return {}
       end,
       testify_enabled = false,
+      colorize_test_output = true,
       warn_test_name_dupes = true,
       warn_test_not_executed = true,