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table_test.go
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table_test.go
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package db
import (
"testing"
"github.com/stretchr/testify/assert"
)
func TestTable_ToErd(t *testing.T) {
type fields struct {
Name string
Columns []*Column
ForeignKeys []*ForeignKey
Indexes []*Index
}
type args struct {
showIndex bool
}
tests := []struct {
name string
fields fields
args args
want string
}{
{
name: "without primary key",
fields: fields{
Name: "articles",
Columns: []*Column{
{
Name: "id",
Type: "integer",
NotNull: true,
},
{
Name: "user_id",
Type: "integer",
NotNull: true,
},
{
Name: "title",
Type: "text",
},
},
},
args: args{
showIndex: true,
},
want: `entity articles {
* id : integer
* user_id : integer
title : text
}`,
},
{
name: "with primary key",
fields: fields{
Name: "articles",
Columns: []*Column{
{
Name: "id",
Type: "integer",
NotNull: true,
PrimaryKey: true,
},
{
Name: "user_id",
Type: "integer",
NotNull: true,
},
{
Name: "title",
Type: "text",
},
},
},
args: args{
showIndex: true,
},
want: `entity articles {
* id : integer
--
* user_id : integer
title : text
}`,
},
{
name: "with index and enabled showIndex",
fields: fields{
Name: "followers",
Columns: []*Column{
{
Name: "id",
Type: "integer",
NotNull: true,
PrimaryKey: true,
},
{
Name: "user_id",
Type: "integer",
NotNull: true,
},
{
Name: "target_user_id",
Type: "integer",
NotNull: true,
},
},
ForeignKeys: []*ForeignKey{
{
FromColumn: "target_user_id",
ToTable: "users",
ToColumn: "id",
},
{
FromColumn: "user_id",
ToTable: "users",
ToColumn: "id",
},
},
Indexes: []*Index{
{
Name: "index_target_user_id_and_user_id_on_followers",
Columns: []string{"target_user_id", "user_id"},
Unique: true,
},
{
Name: "index_user_id_and_target_user_id_on_followers",
Columns: []string{"user_id", "target_user_id"},
Unique: false,
},
},
},
args: args{
showIndex: true,
},
want: `entity followers {
* id : integer
--
* user_id : integer
* target_user_id : integer
--
- index_target_user_id_and_user_id_on_followers (target_user_id, user_id)
index_user_id_and_target_user_id_on_followers (user_id, target_user_id)
}`,
},
{
name: "with index and disabled showIndex",
fields: fields{
Name: "followers",
Columns: []*Column{
{
Name: "id",
Type: "integer",
NotNull: true,
PrimaryKey: true,
},
{
Name: "user_id",
Type: "integer",
NotNull: true,
},
{
Name: "target_user_id",
Type: "integer",
NotNull: true,
},
},
ForeignKeys: []*ForeignKey{
{
FromColumn: "target_user_id",
ToTable: "users",
ToColumn: "id",
},
{
FromColumn: "user_id",
ToTable: "users",
ToColumn: "id",
},
},
Indexes: []*Index{
{
Name: "index_target_user_id_and_user_id_on_followers",
Columns: []string{"target_user_id", "user_id"},
Unique: true,
},
{
Name: "index_user_id_and_target_user_id_on_followers",
Columns: []string{"user_id", "target_user_id"},
Unique: false,
},
},
},
args: args{
showIndex: false,
},
want: `entity followers {
* id : integer
--
* user_id : integer
* target_user_id : integer
}`,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
table := &Table{
Name: tt.fields.Name,
Columns: tt.fields.Columns,
ForeignKeys: tt.fields.ForeignKeys,
Indexes: tt.fields.Indexes,
}
got := table.ToErd(tt.args.showIndex)
assert.Equal(t, tt.want, got)
})
}
}
func TestTable_ToMermaid(t *testing.T) {
type fields struct {
Name string
Columns []*Column
ForeignKeys []*ForeignKey
Indexes []*Index
}
type args struct {
showComment bool
}
tests := []struct {
name string
fields fields
args args
want string
}{
{
name: "with comment",
fields: fields{
Name: "articles",
Columns: []*Column{
{
Name: "id",
Type: "integer(10) unsigned",
NotNull: true,
PrimaryKey: true,
},
{
Name: "user_id",
Type: "integer",
NotNull: true,
},
{
Name: "title",
Type: "text",
},
},
ForeignKeys: []*ForeignKey{
{
FromColumn: "user_id",
ToTable: "users",
ToColumn: "id",
},
},
},
args: args{
showComment: true,
},
want: `articles {
integer_10_unsigned id PK "not null"
integer user_id FK "not null"
text title
}`,
},
{
name: "without comment",
fields: fields{
Name: "articles",
Columns: []*Column{
{
Name: "id",
Type: "integer(10) unsigned",
NotNull: true,
PrimaryKey: true,
},
{
Name: "user_id",
Type: "integer",
NotNull: true,
},
{
Name: "title",
Type: "text",
},
},
ForeignKeys: []*ForeignKey{
{
FromColumn: "user_id",
ToTable: "users",
ToColumn: "id",
},
},
},
args: args{
showComment: false,
},
want: `articles {
integer_10_unsigned id
integer user_id
text title
}`,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
table := &Table{
Name: tt.fields.Name,
Columns: tt.fields.Columns,
ForeignKeys: tt.fields.ForeignKeys,
Indexes: tt.fields.Indexes,
}
got := table.ToMermaid(tt.args.showComment)
assert.Equal(t, tt.want, got)
})
}
}