Move from learn-go-with-tests

Signed-off-by: Oliver Davies <oliver@oliverdavies.uk>

learn-go-with-tests/.envrc

@@ -0,0 +1 @@
+use flake

learn-go-with-tests/.forgejo/workflows/test.yml

@@ -0,0 +1,7 @@
+on: push
+jobs:
+  check:
+    runs-on: nixos
+    steps:
+      - uses: actions/checkout@v4
+      - run: nix develop -c go test

learn-go-with-tests/README.md

@@ -0,0 +1,5 @@
+# learn-go-with-tests
+
+Working my way through [Learn Go with Tests](https://quii.gitbook.io/learn-go-with-tests).
+
+Thanks, [@bashbunni](https://github.com/bashbunni), for the recommendation.

learn-go-with-tests/flake-modules/dev-shell.nix

@@ -0,0 +1,18 @@
+{ inputs, ... }:
+
+{
+  imports = [
+    inputs.devshell.flakeModule
+  ];
+
+  perSystem =
+    { pkgs, ... }:
+    {
+      devshells.default = {
+        packages = with pkgs; [
+          go
+          gopls
+        ];
+      };
+    };
+}

learn-go-with-tests/flake-modules/systems.nix

@@ -0,0 +1,3 @@
+{
+  systems = [ "x86_64-linux" ];
+}

learn-go-with-tests/flake.lock

@@ -0,0 +1,98 @@
+{
+  "nodes": {
+    "devshell": {
+      "inputs": {
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1741473158,
+        "narHash": "sha256-kWNaq6wQUbUMlPgw8Y+9/9wP0F8SHkjy24/mN3UAppg=",
+        "owner": "numtide",
+        "repo": "devshell",
+        "rev": "7c9e793ebe66bcba8292989a68c0419b737a22a0",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "devshell",
+        "type": "github"
+      }
+    },
+    "flake-parts": {
+      "inputs": {
+        "nixpkgs-lib": "nixpkgs-lib"
+      },
+      "locked": {
+        "lastModified": 1753121425,
+        "narHash": "sha256-TVcTNvOeWWk1DXljFxVRp+E0tzG1LhrVjOGGoMHuXio=",
+        "owner": "hercules-ci",
+        "repo": "flake-parts",
+        "rev": "644e0fc48951a860279da645ba77fe4a6e814c5e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "hercules-ci",
+        "repo": "flake-parts",
+        "type": "github"
+      }
+    },
+    "import-tree": {
+      "locked": {
+        "lastModified": 1752730890,
+        "narHash": "sha256-GES8fapSLGz36MMPRVNkSUWXUTtqvGQNXHjRmRLfJUY=",
+        "owner": "vic",
+        "repo": "import-tree",
+        "rev": "6ebb8cb87987b20264c09296166543fd3761d274",
+        "type": "github"
+      },
+      "original": {
+        "owner": "vic",
+        "repo": "import-tree",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1753694789,
+        "narHash": "sha256-cKgvtz6fKuK1Xr5LQW/zOUiAC0oSQoA9nOISB0pJZqM=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "dc9637876d0dcc8c9e5e22986b857632effeb727",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "nixpkgs-lib": {
+      "locked": {
+        "lastModified": 1751159883,
+        "narHash": "sha256-urW/Ylk9FIfvXfliA1ywh75yszAbiTEVgpPeinFyVZo=",
+        "owner": "nix-community",
+        "repo": "nixpkgs.lib",
+        "rev": "14a40a1d7fb9afa4739275ac642ed7301a9ba1ab",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "nixpkgs.lib",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "devshell": "devshell",
+        "flake-parts": "flake-parts",
+        "import-tree": "import-tree",
+        "nixpkgs": "nixpkgs"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

learn-go-with-tests/flake.nix

@@ -0,0 +1,15 @@
+{
+  inputs = {
+    devshell.inputs.nixpkgs.follows = "nixpkgs";
+    devshell.url = "github:numtide/devshell";
+    flake-parts.url = "github:hercules-ci/flake-parts";
+    import-tree.url = "github:vic/import-tree";
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
+  };
+
+  outputs =
+    inputs:
+    inputs.flake-parts.lib.mkFlake { inherit inputs; } {
+      imports = [ (inputs.import-tree ./flake-modules) ];
+    };
+}

learn-go-with-tests/go.mod

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+module hello
+
+go 1.17

learn-go-with-tests/hello.go

@@ -0,0 +1,29 @@
+package main
+
+import "fmt"
+
+const englishHelloPrefix = "Hello, "
+const welsh = "Welsh"
+const welshHelloPrefix = "Helo, "
+
+func Hello(name string, language string) string {
+	if name == "" {
+		name = "World"
+	}
+
+	return greetingPrefix(language) + name
+}
+
+func greetingPrefix(language string) (prefix string) {
+	prefix = englishHelloPrefix
+
+	if language == welsh {
+		prefix = welshHelloPrefix
+	}
+
+	return
+}
+
+func main() {
+	fmt.Println(Hello("Oliver", ""))
+}

learn-go-with-tests/hello_test.go

@@ -0,0 +1,34 @@
+package main
+
+import "testing"
+
+func TestHello(t *testing.T) {
+	assertCorrectMessage := func(t testing.TB, got string, want string) {
+		t.Helper()
+
+		if got != want {
+			t.Errorf("got %q want %q", got, want)
+		}
+	}
+
+	t.Run("saying hello to people", func (t *testing.T) {
+		got := Hello("Oliver", "")
+		want := "Hello, Oliver"
+
+		assertCorrectMessage(t, got, want)
+	})
+
+	t.Run("say 'Hello, World' when an empty string is supplied", func (t *testing.T) {
+		got := Hello("", "")
+		want := "Hello, World"
+
+		assertCorrectMessage(t, got, want)
+	})
+
+	t.Run("in Welsh", func (t *testing.T) {
+		got := Hello("Oliver", "Welsh")
+		want := "Helo, Oliver"
+
+		assertCorrectMessage(t, got, want)
+	})
+}