From 9670b19ce8f7c23c975a34206bb40e2ace152d09 Mon Sep 17 00:00:00 2001
From: Florian Beeres <yuuki@protonmail.com>
Date: Tue, 21 Feb 2023 20:04:39 +0100
Subject: go-mockery: add package test

Add a very basic package test for go-mockery that asserts:
* version matches what is expected
* running the program generates a *.go file

Co-authored-by: Sandro <sandro.jaeckel@gmail.com>
---
 pkgs/development/tools/go-mockery/default.nix | 33 ++++++++++++++++++++++++++-
 1 file changed, 32 insertions(+), 1 deletion(-)

(limited to 'pkgs/development/tools/go-mockery')

diff --git a/pkgs/development/tools/go-mockery/default.nix b/pkgs/development/tools/go-mockery/default.nix
index ab6723bebba20..a222f4193f3dd 100644
--- a/pkgs/development/tools/go-mockery/default.nix
+++ b/pkgs/development/tools/go-mockery/default.nix
@@ -1,4 +1,4 @@
-{ lib, buildGoModule, fetchFromGitHub }:
+{ lib, buildGoModule, fetchFromGitHub, go-mockery, runCommand, go }:
 
 buildGoModule rec {
   pname = "go-mockery";
@@ -24,6 +24,37 @@ buildGoModule rec {
 
   vendorHash = "sha256-Dl8Q6fQa7BKp06a4OT82+wHYQRN1aWZ2qK25GzhOw8A=";
 
+  passthru.tests = {
+    generateMock = runCommand "${pname}-test" {
+      nativeBuildInputs = [ go-mockery ];
+      buildInputs = [ go ];
+    } ''
+      if [[ $(mockery --version) != *"${version}"* ]]; then
+        echo "Error: program version does not match package version"
+        exit 1
+      fi
+
+      export HOME=$TMPDIR
+
+      cat <<EOF > foo.go
+      package main
+
+      type Foo interface {
+        Bark() string
+      }
+      EOF
+
+      mockery --name Foo --dir .
+
+      if [[ ! -f "mocks/Foo.go" ]]; then
+        echo "Error: mocks/Foo.go was not generated by ${pname}"
+        exit 1
+      fi
+
+      touch $out
+    '';
+  };
+
   meta = with lib; {
     homepage = "https://github.com/vektra/mockery";
     description = "A mock code autogenerator for Golang";
-- 
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