test(postgres): added tag and fixed bugs

Signed-off-by: soxx <soxx@fenpa.ws>

internal/postgres/tag.go

@@ -2,14 +2,35 @@ package postgres
 
 import (
 	"context"
+	"fmt"
 	"git.dragse.it/anthrove/otter-space-sdk/pkg/models"
 	"git.dragse.it/anthrove/otter-space-sdk/pkg/models/pgModels"
 	log "github.com/sirupsen/logrus"
 	"gorm.io/gorm"
 )
 
+func CreateTag(ctx context.Context, db *gorm.DB, tag *pgModels.Tag) error {
+
+	resultTag := db.WithContext(ctx).Where(tag).Create(tag)
+
+	if resultTag.Error != nil {
+		return resultTag.Error
+	}
+
+	log.WithFields(log.Fields{
+		"tag_name": tag.Name,
+		"tag_type": tag.Type,
+	}).Trace("database: created tag node")
+
+	return nil
+}
+
 func CreateTagNodeWitRelation(ctx context.Context, db *gorm.DB, PostID models.AnthrovePostID, tag *pgModels.Tag) error {
 
+	if PostID == "" {
+		return fmt.Errorf("PostID is empty")
+	}
+
 	resultTag := db.WithContext(ctx).Where(tag).FirstOrCreate(tag)
 
 	if resultTag.Error != nil {

internal/postgres/tag_test.go

@@ -0,0 +1,175 @@
+package postgres
+
+import (
+	"context"
+	"git.dragse.it/anthrove/otter-space-sdk/pkg/models"
+	"git.dragse.it/anthrove/otter-space-sdk/pkg/models/pgModels"
+	"git.dragse.it/anthrove/otter-space-sdk/test"
+	"gorm.io/gorm"
+	"testing"
+)
+
+func TestCreateTagNodeWitRelation(t *testing.T) {
+	// Setup trow away container
+	ctx := context.Background()
+	container, gormDB, err := test.StartPostgresContainer(ctx)
+	if err != nil {
+		t.Fatalf("Could not start PostgreSQL container: %v", err)
+	}
+	defer container.Terminate(ctx)
+
+	// Setup Test
+
+	err = CreateAnthrovePostNode(ctx, gormDB, "1234", "safe")
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	tag := &pgModels.Tag{
+		Name: "JayTheFerret",
+		Type: "artist",
+	}
+
+	// Test
+	type args struct {
+		ctx    context.Context
+		db     *gorm.DB
+		PostID models.AnthrovePostID
+		tag    *pgModels.Tag
+	}
+	tests := []struct {
+		name    string
+		args    args
+		wantErr bool
+	}{
+		{
+			name: "Test 1: Valid PostID and Tag",
+			args: args{
+				ctx:    ctx,
+				db:     gormDB,
+				PostID: "1234",
+				tag:    tag,
+			},
+			wantErr: false,
+		},
+		{
+			name: "Test 2: Valid PostID and invalid Tag",
+			args: args{
+				ctx:    ctx,
+				db:     gormDB,
+				PostID: "1234",
+				tag:    nil,
+			},
+			wantErr: true,
+		},
+		{
+			name: "Test 3: Invalid PostID and valid Tag",
+			args: args{
+				ctx:    ctx,
+				db:     gormDB,
+				PostID: "123456",
+				tag:    tag,
+			},
+			wantErr: true,
+		},
+		{
+			name: "Test 4: No PostID and valid Tag",
+			args: args{
+				ctx:    ctx,
+				db:     gormDB,
+				PostID: "",
+				tag:    tag,
+			},
+			wantErr: true,
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			if err := CreateTagNodeWitRelation(tt.args.ctx, tt.args.db, tt.args.PostID, tt.args.tag); (err != nil) != tt.wantErr {
+				t.Errorf("CreateTagNodeWitRelation() error = %v, wantErr %v", err, tt.wantErr)
+			}
+		})
+	}
+}
+
+func TestGetTags(t *testing.T) {
+	// Setup trow away container
+	ctx := context.Background()
+	container, gormDB, err := test.StartPostgresContainer(ctx)
+	if err != nil {
+		t.Fatalf("Could not start PostgreSQL container: %v", err)
+	}
+	defer container.Terminate(ctx)
+
+	// Setup Test
+
+	tags := []pgModels.Tag{
+		{
+			Name: "JayTheFerret",
+			Type: "artist",
+		},
+		{
+			Name: "anthro",
+			Type: "general",
+		},
+		{
+			Name: "soxx",
+			Type: "character",
+		},
+	}
+
+	for _, tag := range tags {
+		err = CreateTag(ctx, gormDB, &tag)
+		if err != nil {
+			t.Fatal(err)
+		}
+	}
+
+	// Test
+	type args struct {
+		ctx context.Context
+		db  *gorm.DB
+	}
+	tests := []struct {
+		name    string
+		args    args
+		want    []pgModels.Tag
+		wantErr bool
+	}{
+		{
+			name: "Test 1: Get Tags",
+			args: args{
+				ctx: ctx,
+				db:  gormDB,
+			},
+			want:    tags,
+			wantErr: false,
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			got, err := GetTags(tt.args.ctx, tt.args.db)
+			if (err != nil) != tt.wantErr {
+				t.Errorf("GetTags() error = %v, wantErr %v", err, tt.wantErr)
+				return
+			}
+			if !checkTag(got, tt.want) {
+				t.Errorf("GetTags() got = %v, want %v", got, tt.want)
+			}
+		})
+	}
+}
+
+func checkTag(got []pgModels.Tag, want []pgModels.Tag) bool {
+	for i, tag := range want {
+		if tag.Type != got[i].Type {
+			return false
+		}
+		if tag.Name != got[i].Name {
+			return false
+		}
+	}
+
+	return true
+
+}