Add unit test coverage for Stackscripts, Database and Region related …

…methods/functions (#652)

* unit_tests

* add_test

* database_tests

test/unit/database_test.go

@@ -0,0 +1,153 @@
+package unit
+
+import (
+	"context"
+	"encoding/json"
+	"fmt"
+	"slices"
+	"testing"
+
+	"github.com/linode/linodego"
+	"github.com/stretchr/testify/assert"
+)
+
+func TestListDatabases(t *testing.T) {
+	fixtureData, err := fixtures.GetFixture("databases_list")
+	assert.NoError(t, err)
+
+	var base ClientBaseCase
+	base.SetUp(t)
+	defer base.TearDown(t)
+
+	base.MockGet("databases/instances", fixtureData)
+	databases, err := base.Client.ListDatabases(context.Background(), &linodego.ListOptions{})
+	assert.NoError(t, err)
+	assert.NotEmpty(t, databases, "Expected non-empty database list")
+}
+
+func TestGetDatabaseEngine(t *testing.T) {
+	fixtureData, err := fixtures.GetFixture("database_engine_get")
+	assert.NoError(t, err)
+
+	var base ClientBaseCase
+	base.SetUp(t)
+	defer base.TearDown(t)
+
+	engineID := "mysql-8"
+	base.MockGet(fmt.Sprintf("databases/engines/%s", engineID), fixtureData)
+	databaseEngine, err := base.Client.GetDatabaseEngine(context.Background(), &linodego.ListOptions{}, engineID)
+	assert.NoError(t, err)
+	assert.NotNil(t, databaseEngine, "Expected database engine object to be returned")
+	assert.Equal(t, engineID, databaseEngine.ID, "Expected correct database engine ID")
+	assert.Equal(t, "mysql", databaseEngine.Engine, "Expected MySQL engine")
+	assert.Equal(t, "8.0", databaseEngine.Version, "Expected MySQL 8.0 version")
+}
+
+func TestListDatabaseTypes(t *testing.T) {
+	fixtureData, err := fixtures.GetFixture("database_types_list")
+	assert.NoError(t, err)
+
+	var base ClientBaseCase
+	base.SetUp(t)
+	defer base.TearDown(t)
+
+	base.MockGet("databases/types", fixtureData)
+	databaseTypes, err := base.Client.ListDatabaseTypes(context.Background(), &linodego.ListOptions{})
+	assert.NoError(t, err)
+	assert.NotEmpty(t, databaseTypes, "Expected non-empty database types list")
+}
+
+func TestUnmarshalDatabase(t *testing.T) {
+	fixtureData, err := fixtures.GetFixture("database_unmarshal")
+	assert.NoError(t, err)
+
+	var data []byte
+	switch v := fixtureData.(type) {
+	case []byte:
+		data = v
+	case string:
+		data = []byte(v)
+	case map[string]interface{}:
+		data, err = json.Marshal(v) // Convert map to JSON string
+		assert.NoError(t, err, "Failed to marshal fixtureData")
+	default:
+		assert.Fail(t, "Unexpected fixtureData type")
+	}
+
+	var db linodego.Database
+	err = json.Unmarshal(data, &db)
+	assert.NoError(t, err)
+	assert.Equal(t, 123, db.ID, "Expected correct database ID")
+	assert.Equal(t, "active", string(db.Status), "Expected active status")
+	assert.Equal(t, "mysql", db.Engine, "Expected MySQL engine")
+	assert.Equal(t, 3, db.ClusterSize, "Expected cluster size 3")
+	assert.NotNil(t, db.Created, "Expected Created timestamp to be set")
+}
+
+func TestDatabaseMaintenanceWindowUnmarshal(t *testing.T) {
+	fixtureData, err := fixtures.GetFixture("database_maintenance_window")
+	assert.NoError(t, err)
+
+	var data []byte
+	switch v := fixtureData.(type) {
+	case []byte:
+		data = v
+	case string:
+		data = []byte(v)
+	case map[string]interface{}:
+		data, err = json.Marshal(v)
+		assert.NoError(t, err, "Failed to marshal fixtureData")
+	default:
+		assert.Fail(t, "Unexpected fixtureData type")
+	}
+
+	var window linodego.DatabaseMaintenanceWindow
+	err = json.Unmarshal(data, &window)
+	assert.NoError(t, err)
+	assert.Equal(t, linodego.DatabaseMaintenanceDayMonday, window.DayOfWeek, "Expected Monday as maintenance day")
+	assert.Equal(t, 2, window.Duration, "Expected 2-hour maintenance window")
+	assert.Equal(t, linodego.DatabaseMaintenanceFrequencyWeekly, window.Frequency, "Expected weekly frequency")
+	assert.Equal(t, 3, window.HourOfDay, "Expected maintenance at 3 AM")
+}
+
+func TestDatabaseStatusAssertions(t *testing.T) {
+	expectedStatuses := []string{
+		"provisioning", "active", "deleting", "deleted",
+		"suspending", "suspended", "resuming", "restoring",
+		"failed", "degraded", "updating", "backing_up",
+	}
+
+	statuses := []linodego.DatabaseStatus{
+		linodego.DatabaseStatusProvisioning, linodego.DatabaseStatusActive, linodego.DatabaseStatusDeleting,
+		linodego.DatabaseStatusDeleted, linodego.DatabaseStatusSuspending, linodego.DatabaseStatusSuspended,
+		linodego.DatabaseStatusResuming, linodego.DatabaseStatusRestoring, linodego.DatabaseStatusFailed,
+		linodego.DatabaseStatusDegraded, linodego.DatabaseStatusUpdating, linodego.DatabaseStatusBackingUp,
+	}
+
+	for _, status := range statuses {
+		t.Run(string(status), func(t *testing.T) {
+			exists := slices.ContainsFunc(expectedStatuses, func(s string) bool {
+				return s == string(status)
+			})
+			assert.True(t, exists, fmt.Sprintf("Expected status %s to exist", status))
+		})
+	}
+}
+
+func TestDatabaseMaintenanceFrequencyAssertions(t *testing.T) {
+	expectedFrequencies := []string{"weekly", "monthly"}
+
+	frequencies := []linodego.DatabaseMaintenanceFrequency{
+		linodego.DatabaseMaintenanceFrequencyWeekly,
+		linodego.DatabaseMaintenanceFrequencyMonthly,
+	}
+
+	for _, freq := range frequencies {
+		t.Run(string(freq), func(t *testing.T) {
+			exists := slices.ContainsFunc(expectedFrequencies, func(f string) bool {
+				return f == string(freq)
+			})
+			assert.True(t, exists, fmt.Sprintf("Expected frequency %s to exist", freq))
+		})
+	}
+}

test/unit/fixtures/database_engine_get.json

@@ -0,0 +1,6 @@
+{
+    "id": "mysql-8",
+    "engine": "mysql",
+    "version": "8.0",
+    "supported_versions": ["5.7", "8.0"]
+}

test/unit/fixtures/database_maintenance_window.json

@@ -0,0 +1,7 @@
+{
+    "day_of_week": 1,
+    "duration": 2,
+    "frequency": "weekly",
+    "hour_of_day": 3
+}
+

test/unit/fixtures/database_types_list.json

@@ -0,0 +1,22 @@
+{
+    "data": [
+      {
+        "id": "g6-standard-1",
+        "label": "Standard Plan",
+        "memory": 4096,
+        "vcpus": 2,
+        "disk": 80
+      },
+      {
+        "id": "g6-standard-2",
+        "label": "High Performance Plan",
+        "memory": 8192,
+        "vcpus": 4,
+        "disk": 160
+      }
+    ],
+    "page": 1,
+    "pages": 1,
+    "results": 2
+}
+

test/unit/fixtures/database_unmarshal.json

@@ -0,0 +1,13 @@
+{
+    "id": 123,
+    "status": "active",
+    "label": "test-db",
+    "region": "us-east",
+    "type": "g6-standard-1",
+    "engine": "mysql",
+    "version": "8.0",
+    "cluster_size": 3,
+    "platform": "rdbms-default",
+    "created": "2023-01-01T12:00:00"
+}
+

test/unit/fixtures/databases_list.json

@@ -0,0 +1,19 @@
+{
+    "data": [
+      {
+        "id": 123,
+        "status": "active",
+        "label": "test-db",
+        "region": "us-east",
+        "type": "g6-standard-1",
+        "engine": "mysql",
+        "version": "8.0",
+        "cluster_size": 3,
+        "platform": "rdbms-default",
+        "created": "2023-01-01T12:00:00"
+      }
+    ],
+    "page": 1,
+    "pages": 1,
+    "results": 1
+}

test/unit/fixtures/region_availability_get.json

@@ -0,0 +1,5 @@
+{
+  "region": "us-east",
+  "available": true,
+  "plan": "Linode 2GB"
+}

test/unit/fixtures/region_get.json

@@ -0,0 +1,17 @@
+{
+    "id": "us-east",
+    "country": "US",
+    "capabilities": ["Linodes", "Block Storage", "Object Storage"],
+    "status": "ok",
+    "label": "Newark, NJ",
+    "site_type": "standard",
+    "resolvers": {
+      "ipv4": "8.8.8.8",
+      "ipv6": "2001:4860:4860::8888"
+    },
+    "placement_group_limits": {
+      "maximum_pgs_per_customer": 5,
+      "maximum_linodes_per_pg": 10
+    }
+  }
+

test/unit/fixtures/regions_availability_list.json

@@ -0,0 +1,13 @@
+{
+    "data": [
+      {
+        "region": "us-east",
+        "available": true,
+        "plan": "Linode 2GB"
+      }
+    ],
+    "page": 1,
+    "pages": 1,
+    "results": 1
+  }
+

test/unit/fixtures/regions_list.json

@@ -0,0 +1,25 @@
+{
+    "data": [
+        {
+            "id": "us-east",
+            "country": "US",
+            "capabilities": ["Linodes", "Block Storage", "Object Storage"],
+            "status": "ok",
+            "label": "US East",
+            "site_type": "standard",
+            "resolvers": {
+                "ipv4": "8.8.8.8",
+                "ipv6": "2001:4860:4860::8888"
+            },
+            "placement_group_limits": {
+                "maximum_pgs_per_customer": 10,
+                "maximum_linodes_per_pg": 5
+            }
+        }
+    ],
+    "page": 1,
+    "pages": 1,
+    "results": 1
+}
+
+

test/unit/fixtures/stackscript_get.json

@@ -0,0 +1,18 @@
+{
+    "id": 123,
+    "username": "testuser",
+    "label": "new-stackscript",
+    "description": "Test Description",
+    "ordinal": 1,
+    "logo_url": "https://example.com/logo.png",
+    "images": ["linode/ubuntu20.04"],
+    "deployments_total": 10,
+    "deployments_active": 5,
+    "is_public": true,
+    "mine": true,
+    "rev_note": "Initial revision",
+    "script": "#!/bin/bash\necho Hello",
+    "user_defined_fields": [],
+    "user_gravatar_id": "abcdef123456"
+}
+

test/unit/fixtures/stackscript_revision.json

@@ -0,0 +1,5 @@
+{
+    "id": 123,
+    "label": "Updated Stackscript",
+    "rev_note": "Updated revision"
+}

test/unit/fixtures/stackscripts_list.json

@@ -0,0 +1,37 @@
+{
+    "data": [
+        {
+            "id": 123,
+            "username": "testuser",
+            "label": "Test Stackscript",
+            "description": "A test Stackscript",
+            "images": ["linode/ubuntu20.04"],
+            "deployments_total": 10,
+            "deployments_active": 5,
+            "is_public": true,
+            "mine": true,
+            "rev_note": "Initial version",
+            "script": "#!/bin/bash\necho Hello",
+            "user_defined_fields": [],
+            "user_gravatar_id": "abc123"
+        },
+        {
+            "id": 456,
+            "username": "anotheruser",
+            "label": "Another Stackscript",
+            "description": "Another test Stackscript",
+            "images": ["linode/debian10"],
+            "deployments_total": 3,
+            "deployments_active": 1,
+            "is_public": false,
+            "mine": false,
+            "rev_note": "Another version",
+            "script": "#!/bin/bash\necho Another",
+            "user_defined_fields": [],
+            "user_gravatar_id": "xyz456"
+        }
+    ],
+    "page": 1,
+    "pages": 1,
+    "results": 2
+}