From 44f0d2c1300d7431733af3014ddd49cf9b43ab3e Mon Sep 17 00:00:00 2001
From: Dan Anglin <daangling@gmail.com>
Date: Sat, 3 Jul 2021 09:36:55 +0100
Subject: [PATCH] test: simple unit tests for the config package

---
 internal/config/config_test.go               | 69 ++++++++++++++++++++
 internal/config/testdata/config-invalid.json | 10 +++
 internal/config/testdata/config-valid.json   | 10 +++
 3 files changed, 89 insertions(+)
 create mode 100644 internal/config/config_test.go
 create mode 100644 internal/config/testdata/config-invalid.json
 create mode 100644 internal/config/testdata/config-valid.json

diff --git a/internal/config/config_test.go b/internal/config/config_test.go
new file mode 100644
index 0000000..c2b87ff
--- /dev/null
+++ b/internal/config/config_test.go
@@ -0,0 +1,69 @@
+package config
+
+import (
+	"reflect"
+	"testing"
+)
+
+func TestValidConfig(t *testing.T) {
+	var testCase = struct {
+		name        string
+		description string
+		file        string
+		want        Config
+	}{
+		name:        "Test case: A valid Config",
+		description: "Testing the parsing of valid configuration.",
+		file:        "./testdata/config-valid.json",
+		want: Config{
+			ProjectName: "forge-platform-test-config",
+			Docker: DockerConfig{
+				Network: DockerNetworkConfig{
+					Name:   "forge-platform-test-netwwork",
+					Subnet: "172.17.1.0/24",
+					Driver: "default",
+				},
+			},
+		},
+	}
+
+	testFunc := func(t *testing.T) {
+		t.Log(testCase.description)
+		got, err := NewConfig(testCase.file)
+		if err != nil {
+			t.Fatalf("Unable to create the configuration from file: %v", err)
+		}
+
+		if !reflect.DeepEqual(got, testCase.want) {
+			t.Errorf("Unexpected Config value created. Got %v, want %v", got, testCase.want)
+		} else {
+			t.Log("Test passed.")
+		}
+	}
+
+	t.Run(testCase.name, testFunc)
+}
+
+func TestInvalidConfig(t *testing.T) {
+	var testCase = struct {
+		name        string
+		description string
+		file        string
+	}{
+		name:        "Test case: An invalid Config",
+		description: "Testing the handling of invalid configuration.",
+		file:        "./testdata/config-invalid.json",
+	}
+
+	testFunc := func(t *testing.T) {
+		t.Log(testCase.description)
+		_, err := NewConfig(testCase.file)
+		if err == nil {
+			t.Error("Expected an error with this invalid configuration.")
+		} else {
+			t.Log("Test passed.")
+		}
+	}
+
+	t.Run(testCase.name, testFunc)
+}
diff --git a/internal/config/testdata/config-invalid.json b/internal/config/testdata/config-invalid.json
new file mode 100644
index 0000000..f225726
--- /dev/null
+++ b/internal/config/testdata/config-invalid.json
@@ -0,0 +1,10 @@
+{
+  "project": "forge-platform-test-config",
+  "docker": {
+    "network": {
+      "subnet": "172.17.1.0/24",
+      "name" "forge-platform-test-netwwork",
+      "driver": "default"
+    }
+  }
+}
diff --git a/internal/config/testdata/config-valid.json b/internal/config/testdata/config-valid.json
new file mode 100644
index 0000000..3d1f103
--- /dev/null
+++ b/internal/config/testdata/config-valid.json
@@ -0,0 +1,10 @@
+{
+  "project": "forge-platform-test-config",
+  "docker": {
+    "network": {
+      "subnet": "172.17.1.0/24",
+      "name": "forge-platform-test-netwwork",
+      "driver": "default"
+    }
+  }
+}