testers.testVersion: move from trivial-builders.nix

we will have more testers in the future so they should have their own
location

putting 'testers' in args will also make it simpler to use multiple testers

pkgs/applications/misc/hello/default.nix

@@ -2,7 +2,6 @@
 , stdenv
 , fetchurl
 , nixos
-, testVersion
 , testers
 , hello
 }:
@@ -19,7 +18,7 @@ stdenv.mkDerivation rec {
   doCheck = true;
 
   passthru.tests = {
-    version = testVersion { package = hello; };
+    version = testers.testVersion { package = hello; };
 
     invariant-under-noXlibs =
       testers.testEqualDerivation

pkgs/build-support/testers/default.nix

@@ -1,4 +1,41 @@
-{ pkgs, lib, callPackage }:
+{ pkgs, lib, callPackage, runCommand }:
 {
   testEqualDerivation = callPackage ./test-equal-derivation.nix { };
+
+  /* Checks the command output contains the specified version
+   *
+   * Although simplistic, this test assures that the main program
+   * can run. While there's no substitute for a real test case,
+   * it does catch dynamic linking errors and such. It also provides
+   * some protection against accidentally building the wrong version,
+   * for example when using an 'old' hash in a fixed-output derivation.
+   *
+   * Examples:
+   *
+   * passthru.tests.version = testVersion { package = hello; };
+   *
+   * passthru.tests.version = testVersion {
+   *   package = seaweedfs;
+   *   command = "weed version";
+   * };
+   *
+   * passthru.tests.version = testVersion {
+   *   package = key;
+   *   command = "KeY --help";
+   *   # Wrong '2.5' version in the code. Drop on next version.
+   *   version = "2.5";
+   * };
+   */
+  testVersion =
+    { package,
+      command ? "${package.meta.mainProgram or package.pname or package.name} --version",
+      version ? package.version,
+    }: runCommand "${package.name}-test-version" { nativeBuildInputs = [ package ]; meta.timeout = 60; } ''
+      if output=$(${command} 2>&1); then
+        grep -Fw "${version}" - <<< "$output"
+        touch $out
+      else
+        echo "$output" >&2 && exit 1
+      fi
+    '';
 }

pkgs/build-support/trivial-builders.nix

@@ -784,41 +784,4 @@ rec {
     outputHash = "0sjjj9z1dhilhpc8pq4154czrb79z9cm044jvn75kxcjv6v5l2m5";
     preferLocalBuild = true;
   } "mkdir $out";
-
-  /* Checks the command output contains the specified version
-   *
-   * Although simplistic, this test assures that the main program
-   * can run. While there's no substitute for a real test case,
-   * it does catch dynamic linking errors and such. It also provides
-   * some protection against accidentally building the wrong version,
-   * for example when using an 'old' hash in a fixed-output derivation.
-   *
-   * Examples:
-   *
-   * passthru.tests.version = testVersion { package = hello; };
-   *
-   * passthru.tests.version = testVersion {
-   *   package = seaweedfs;
-   *   command = "weed version";
-   * };
-   *
-   * passthru.tests.version = testVersion {
-   *   package = key;
-   *   command = "KeY --help";
-   *   # Wrong '2.5' version in the code. Drop on next version.
-   *   version = "2.5";
-   * };
-   */
-  testVersion =
-    { package,
-      command ? "${package.meta.mainProgram or package.pname or package.name} --version",
-      version ? package.version,
-    }: runCommand "${package.name}-test-version" { nativeBuildInputs = [ package ]; meta.timeout = 60; } ''
-      if output=$(${command} 2>&1); then
-        grep -Fw "${version}" - <<< "$output"
-        touch $out
-      else
-        echo "$output" >&2 && exit 1
-      fi
-    '';
 }

pkgs/top-level/aliases.nix

@@ -1253,6 +1253,7 @@ mapAliases ({
   terraform_1_0 = throw "terraform_1_0 has been renamed to terraform_1"; # Added 2021-12-08
   terraform_1_0_0 = throw "terraform_1_0_0 has been renamed to terraform_1"; # Added 2021-06-15
   tesseract_4 = throw "'tesseract_4' has been renamed to/replaced by 'tesseract4'"; # Converted to throw 2022-02-22
+  testVersion = testers.testVersion; # Added 2022-04-20
   tex-gyre-bonum-math = throw "'tex-gyre-bonum-math' has been renamed to/replaced by 'tex-gyre-math.bonum'"; # Converted to throw 2022-02-22
   tex-gyre-pagella-math = throw "'tex-gyre-pagella-math' has been renamed to/replaced by 'tex-gyre-math.pagella'"; # Converted to throw 2022-02-22
   tex-gyre-schola-math = throw "'tex-gyre-schola-math' has been renamed to/replaced by 'tex-gyre-math.schola'"; # Converted to throw 2022-02-22