mirror of
https://github.com/ash-project/ash_postgres.git
synced 2024-09-20 13:33:50 +12:00
913 lines
24 KiB
Elixir
913 lines
24 KiB
Elixir
defmodule AshPostgres.MigrationGeneratorTest do
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use AshPostgres.RepoCase, async: false
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@moduletag :migration
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defmacrop defposts(mod \\ Post, do: body) do
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quote do
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Code.compiler_options(ignore_module_conflict: true)
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defmodule unquote(mod) do
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use Ash.Resource,
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data_layer: AshPostgres.DataLayer
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postgres do
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table "posts"
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repo AshPostgres.TestRepo
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custom_indexes do
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# need one without any opts
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index ["id"]
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index ["id"], unique: true, name: "test_unique_index"
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end
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end
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actions do
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defaults([:create, :read, :update, :destroy])
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end
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unquote(body)
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end
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Code.compiler_options(ignore_module_conflict: false)
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end
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end
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defmacrop defapi(resources) do
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quote do
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Code.compiler_options(ignore_module_conflict: true)
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defmodule Registry do
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use Ash.Registry
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entries do
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for resource <- unquote(resources) do
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entry(resource)
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end
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end
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end
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defmodule Api do
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use Ash.Api
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resources do
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registry(Registry)
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end
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end
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Code.compiler_options(ignore_module_conflict: false)
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end
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end
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describe "creating initial snapshots" do
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setup do
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on_exit(fn ->
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File.rm_rf!("test_snapshots_path")
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File.rm_rf!("test_migration_path")
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end)
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defposts do
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postgres do
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migration_types second_title: {:varchar, 16}
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end
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identities do
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identity(:title, [:title])
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end
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attributes do
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uuid_primary_key(:id)
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attribute(:title, :string)
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attribute(:second_title, :string)
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end
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end
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defapi([Post])
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Mix.shell(Mix.Shell.Process)
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AshPostgres.MigrationGenerator.generate(Api,
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snapshot_path: "test_snapshots_path",
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migration_path: "test_migration_path",
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quiet: true,
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format: false
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)
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:ok
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end
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test "the migration sets up resources correctly" do
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# the snapshot exists and contains valid json
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assert File.read!(Path.wildcard("test_snapshots_path/test_repo/posts/*.json"))
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|> Jason.decode!(keys: :atoms!)
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assert [file] = Path.wildcard("test_migration_path/**/*_migrate_resources*.exs")
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file_contents = File.read!(file)
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# the migration creates the table
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assert file_contents =~ "create table(:posts, primary_key: false) do"
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# the migration sets up the custom_indexes
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assert file_contents =~
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~S{create index(:posts, ["id"], name: "test_unique_index", unique: true)}
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assert file_contents =~ ~S{create index(:posts, ["id"]}
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# the migration adds the id, with its default
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assert file_contents =~
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~S[add :id, :uuid, null: false, default: fragment("uuid_generate_v4()"), primary_key: true]
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# the migration adds other attributes
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assert file_contents =~ ~S[add :title, :text]
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# the migration adds custom attributes
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assert file_contents =~ ~S[add :second_title, :varchar, size: 16]
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# the migration creates unique_indexes based on the identities of the resource
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assert file_contents =~ ~S{create unique_index(:posts, [:title], name: "posts_title_index")}
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end
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end
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describe "creating initial snapshots for resources with a schema" do
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setup do
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on_exit(fn ->
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File.rm_rf!("test_snapshots_path")
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File.rm_rf!("test_migration_path")
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end)
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defposts do
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postgres do
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migration_types second_title: {:varchar, 16}
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schema("example")
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end
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identities do
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identity(:title, [:title])
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end
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attributes do
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uuid_primary_key(:id)
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attribute(:title, :string)
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attribute(:second_title, :string)
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end
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end
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defapi([Post])
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Mix.shell(Mix.Shell.Process)
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{:ok, _} =
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Ecto.Adapters.SQL.query(
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AshPostgres.TestRepo,
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"""
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CREATE SCHEMA IF NOT EXISTS example;
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"""
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)
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AshPostgres.MigrationGenerator.generate(Api,
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snapshot_path: "test_snapshots_path",
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migration_path: "test_migration_path",
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quiet: true,
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format: false
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)
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:ok
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end
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test "the migration sets up resources correctly" do
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# the snapshot exists and contains valid json
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assert File.read!(Path.wildcard("test_snapshots_path/test_repo/posts/*.json"))
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|> Jason.decode!(keys: :atoms!)
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assert [file] = Path.wildcard("test_migration_path/**/*_migrate_resources*.exs")
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file_contents = File.read!(file)
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# the migration creates the table
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assert file_contents =~ "create table(:posts, primary_key: false, prefix: \"example\") do"
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# the migration sets up the custom_indexes
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assert file_contents =~
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~S{create index(:posts, ["id"], name: "test_unique_index", unique: true, prefix: "example")}
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assert file_contents =~ ~S{create index(:posts, ["id"]}
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# the migration adds the id, with its default
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assert file_contents =~
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~S[add :id, :uuid, null: false, default: fragment("uuid_generate_v4()"), primary_key: true]
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# the migration adds other attributes
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assert file_contents =~ ~S[add :title, :text]
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# the migration adds custom attributes
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assert file_contents =~ ~S[add :second_title, :varchar, size: 16]
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# the migration creates unique_indexes based on the identities of the resource
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assert file_contents =~
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~S{create unique_index(:posts, [:title], name: "posts_title_index", prefix: "example")}
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end
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end
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describe "creating follow up migrations" do
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setup do
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on_exit(fn ->
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File.rm_rf!("test_snapshots_path")
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File.rm_rf!("test_migration_path")
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end)
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defposts do
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identities do
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identity(:title, [:title])
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end
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attributes do
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uuid_primary_key(:id)
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attribute(:title, :string)
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end
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end
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defapi([Post])
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Mix.shell(Mix.Shell.Process)
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AshPostgres.MigrationGenerator.generate(Api,
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snapshot_path: "test_snapshots_path",
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migration_path: "test_migration_path",
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quiet: true,
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format: false
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)
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:ok
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end
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test "when renaming an index, it is properly renamed" do
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defposts do
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postgres do
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identity_index_names(title: "titles_r_unique_dawg")
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end
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identities do
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identity(:title, [:title])
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end
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attributes do
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uuid_primary_key(:id)
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attribute(:title, :string)
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end
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end
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defapi([Post])
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AshPostgres.MigrationGenerator.generate(Api,
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snapshot_path: "test_snapshots_path",
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migration_path: "test_migration_path",
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quiet: true,
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format: false
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)
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assert [_file1, file2] =
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Enum.sort(Path.wildcard("test_migration_path/**/*_migrate_resources*.exs"))
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assert File.read!(file2) =~
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~S[ALTER INDEX posts_title_index RENAME TO titles_r_unique_dawg]
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end
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test "when adding a field, it adds the field" do
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defposts do
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identities do
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identity(:title, [:title])
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end
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attributes do
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uuid_primary_key(:id)
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attribute(:title, :string)
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attribute(:name, :string, allow_nil?: false)
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end
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end
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defapi([Post])
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AshPostgres.MigrationGenerator.generate(Api,
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snapshot_path: "test_snapshots_path",
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migration_path: "test_migration_path",
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quiet: true,
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format: false
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)
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assert [_file1, file2] =
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Enum.sort(Path.wildcard("test_migration_path/**/*_migrate_resources*.exs"))
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assert File.read!(file2) =~
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~S[add :name, :text, null: false]
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end
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test "when renaming a field, it asks if you are renaming it, and renames it if you are" do
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defposts do
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attributes do
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uuid_primary_key(:id)
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attribute(:name, :string, allow_nil?: false)
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end
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end
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defapi([Post])
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send(self(), {:mix_shell_input, :yes?, true})
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AshPostgres.MigrationGenerator.generate(Api,
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snapshot_path: "test_snapshots_path",
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migration_path: "test_migration_path",
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quiet: true,
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format: false
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)
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assert [_file1, file2] =
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Enum.sort(Path.wildcard("test_migration_path/**/*_migrate_resources*.exs"))
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assert File.read!(file2) =~ ~S[rename table(:posts), :title, to: :name]
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end
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test "when renaming a field, it asks if you are renaming it, and adds it if you aren't" do
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defposts do
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attributes do
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uuid_primary_key(:id)
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attribute(:name, :string, allow_nil?: false)
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end
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end
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defapi([Post])
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send(self(), {:mix_shell_input, :yes?, false})
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AshPostgres.MigrationGenerator.generate(Api,
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snapshot_path: "test_snapshots_path",
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migration_path: "test_migration_path",
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quiet: true,
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format: false
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)
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assert [_file1, file2] =
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Enum.sort(Path.wildcard("test_migration_path/**/*_migrate_resources*.exs"))
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assert File.read!(file2) =~
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~S[add :name, :text, null: false]
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end
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test "when renaming a field, it asks which field you are renaming it to, and renames it if you are" do
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defposts do
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attributes do
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uuid_primary_key(:id)
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attribute(:name, :string, allow_nil?: false)
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attribute(:subject, :string, allow_nil?: false)
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end
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end
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defapi([Post])
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send(self(), {:mix_shell_input, :yes?, true})
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send(self(), {:mix_shell_input, :prompt, "subject"})
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AshPostgres.MigrationGenerator.generate(Api,
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snapshot_path: "test_snapshots_path",
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migration_path: "test_migration_path",
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quiet: true,
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format: false
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)
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assert [_file1, file2] =
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Enum.sort(Path.wildcard("test_migration_path/**/*_migrate_resources*.exs"))
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assert File.read!(file2) =~ ~S[rename table(:posts), :title, to: :subject]
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end
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test "when renaming a field, it asks which field you are renaming it to, and adds it if you arent" do
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defposts do
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attributes do
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uuid_primary_key(:id)
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attribute(:name, :string, allow_nil?: false)
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attribute(:subject, :string, allow_nil?: false)
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end
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end
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defapi([Post])
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send(self(), {:mix_shell_input, :yes?, false})
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AshPostgres.MigrationGenerator.generate(Api,
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snapshot_path: "test_snapshots_path",
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migration_path: "test_migration_path",
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quiet: true,
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format: false
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)
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assert [_file1, file2] =
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Enum.sort(Path.wildcard("test_migration_path/**/*_migrate_resources*.exs"))
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assert File.read!(file2) =~
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~S[add :subject, :text, null: false]
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end
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test "when changing the primary key, it changes properly" do
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defposts do
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attributes do
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attribute(:id, :uuid, primary_key?: false, default: &Ecto.UUID.generate/0)
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uuid_primary_key(:guid)
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attribute(:title, :string)
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end
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end
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defapi([Post])
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AshPostgres.MigrationGenerator.generate(Api,
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snapshot_path: "test_snapshots_path",
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migration_path: "test_migration_path",
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quiet: true,
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format: false
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)
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assert [_file1, file2] =
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Enum.sort(Path.wildcard("test_migration_path/**/*_migrate_resources*.exs"))
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assert File.read!(file2) =~
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~S[add :guid, :uuid, null: false, default: fragment("uuid_generate_v4()"), primary_key: true]
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end
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test "when multiple schemas apply to the same table, all attributes are added" do
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defposts do
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attributes do
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uuid_primary_key(:id)
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attribute(:title, :string)
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attribute(:foobar, :string)
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end
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end
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defposts Post2 do
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attributes do
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uuid_primary_key(:id)
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attribute(:name, :string)
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end
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end
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defapi([Post, Post2])
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AshPostgres.MigrationGenerator.generate(Api,
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snapshot_path: "test_snapshots_path",
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migration_path: "test_migration_path",
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quiet: true,
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format: false
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)
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assert [_file1, file2] =
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Enum.sort(Path.wildcard("test_migration_path/**/*_migrate_resources*.exs"))
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assert File.read!(file2) =~
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~S[add :foobar, :text]
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assert File.read!(file2) =~
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~S[add :foobar, :text]
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end
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test "when an attribute exists only on some of the resources that use the same table, it isn't marked as null: false" do
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defposts do
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attributes do
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uuid_primary_key(:id)
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attribute(:title, :string)
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attribute(:example, :string, allow_nil?: false)
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end
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end
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defposts Post2 do
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attributes do
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uuid_primary_key(:id)
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end
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end
|
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|
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defapi([Post, Post2])
|
|
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AshPostgres.MigrationGenerator.generate(Api,
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snapshot_path: "test_snapshots_path",
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migration_path: "test_migration_path",
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quiet: true,
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format: false
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|
)
|
|
|
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assert [_file1, file2] =
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Enum.sort(Path.wildcard("test_migration_path/**/*_migrate_resources*.exs"))
|
|
|
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assert File.read!(file2) =~
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~S[add :example, :text] <> "\n"
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|
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refute File.read!(file2) =~ ~S[null: false]
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end
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|
end
|
|
|
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describe "auto incrementing integer, when generated" do
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setup do
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on_exit(fn ->
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File.rm_rf!("test_snapshots_path")
|
|
File.rm_rf!("test_migration_path")
|
|
end)
|
|
|
|
defposts do
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attributes do
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attribute(:id, :integer, generated?: true, allow_nil?: false, primary_key?: true)
|
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attribute(:views, :integer)
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end
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|
end
|
|
|
|
defapi([Post])
|
|
|
|
Mix.shell(Mix.Shell.Process)
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|
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|
AshPostgres.MigrationGenerator.generate(Api,
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snapshot_path: "test_snapshots_path",
|
|
migration_path: "test_migration_path",
|
|
quiet: true,
|
|
format: false
|
|
)
|
|
|
|
:ok
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|
end
|
|
|
|
test "when an integer is generated and default nil, it is a bigserial" do
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assert [file] = Path.wildcard("test_migration_path/**/*_migrate_resources*.exs")
|
|
|
|
assert File.read!(file) =~
|
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~S[add :id, :bigserial, null: false, primary_key: true]
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|
|
|
assert File.read!(file) =~
|
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~S[add :views, :bigint]
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|
end
|
|
end
|
|
|
|
describe "--check option" do
|
|
setup do
|
|
defposts do
|
|
attributes do
|
|
uuid_primary_key(:id)
|
|
attribute(:title, :string)
|
|
end
|
|
end
|
|
|
|
defapi([Post])
|
|
|
|
[api: Api]
|
|
end
|
|
|
|
test "returns code(1) if snapshots and resources don't fit", %{api: api} do
|
|
assert catch_exit(
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AshPostgres.MigrationGenerator.generate(api,
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snapshot_path: "test_snapshot_path",
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|
migration_path: "test_migration_path",
|
|
check: true
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|
)
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|
) == {:shutdown, 1}
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|
|
|
refute File.exists?(Path.wildcard("test_migration_path2/**/*_migrate_resources*.exs"))
|
|
refute File.exists?(Path.wildcard("test_snapshots_path2/test_repo/posts/*.json"))
|
|
end
|
|
end
|
|
|
|
describe "references" do
|
|
setup do
|
|
on_exit(fn ->
|
|
File.rm_rf!("test_snapshots_path")
|
|
File.rm_rf!("test_migration_path")
|
|
end)
|
|
end
|
|
|
|
test "references are inferred automatically" do
|
|
defposts do
|
|
attributes do
|
|
uuid_primary_key(:id)
|
|
attribute(:title, :string)
|
|
attribute(:foobar, :string)
|
|
end
|
|
end
|
|
|
|
defposts Post2 do
|
|
attributes do
|
|
uuid_primary_key(:id)
|
|
attribute(:name, :string)
|
|
end
|
|
|
|
relationships do
|
|
belongs_to(:post, Post)
|
|
end
|
|
end
|
|
|
|
defapi([Post, Post2])
|
|
|
|
AshPostgres.MigrationGenerator.generate(Api,
|
|
snapshot_path: "test_snapshots_path",
|
|
migration_path: "test_migration_path",
|
|
quiet: true,
|
|
format: false
|
|
)
|
|
|
|
assert [file] = Path.wildcard("test_migration_path/**/*_migrate_resources*.exs")
|
|
|
|
assert File.read!(file) =~
|
|
~S[references(:posts, column: :id, name: "posts_post_id_fkey", type: :uuid, prefix: "public")]
|
|
end
|
|
|
|
test "when modified, the foreign key is dropped before modification" do
|
|
defposts do
|
|
attributes do
|
|
uuid_primary_key(:id)
|
|
attribute(:title, :string)
|
|
attribute(:foobar, :string)
|
|
end
|
|
end
|
|
|
|
defposts Post2 do
|
|
attributes do
|
|
uuid_primary_key(:id)
|
|
attribute(:name, :string)
|
|
end
|
|
|
|
relationships do
|
|
belongs_to(:post, Post)
|
|
end
|
|
end
|
|
|
|
defapi([Post, Post2])
|
|
|
|
AshPostgres.MigrationGenerator.generate(Api,
|
|
snapshot_path: "test_snapshots_path",
|
|
migration_path: "test_migration_path",
|
|
quiet: true,
|
|
format: false
|
|
)
|
|
|
|
defposts Post2 do
|
|
postgres do
|
|
references do
|
|
reference :post, name: "special_post_fkey", on_delete: :delete, on_update: :update
|
|
end
|
|
end
|
|
|
|
attributes do
|
|
uuid_primary_key(:id)
|
|
attribute(:name, :string)
|
|
end
|
|
|
|
relationships do
|
|
belongs_to(:post, Post)
|
|
end
|
|
end
|
|
|
|
AshPostgres.MigrationGenerator.generate(Api,
|
|
snapshot_path: "test_snapshots_path",
|
|
migration_path: "test_migration_path",
|
|
quiet: true,
|
|
format: false
|
|
)
|
|
|
|
assert file =
|
|
"test_migration_path/**/*_migrate_resources*.exs"
|
|
|> Path.wildcard()
|
|
|> Enum.sort()
|
|
|> Enum.at(1)
|
|
|
|
assert File.read!(file) =~
|
|
~S[references(:posts, column: :id, prefix: "public", name: "special_post_fkey", type: :uuid, on_delete: :delete_all, on_update: :update_all)]
|
|
|
|
assert File.read!(file) =~ ~S[drop constraint(:posts, "posts_post_id_fkey")]
|
|
end
|
|
end
|
|
|
|
describe "check constraints" do
|
|
setup do
|
|
on_exit(fn ->
|
|
File.rm_rf!("test_snapshots_path")
|
|
File.rm_rf!("test_migration_path")
|
|
end)
|
|
end
|
|
|
|
test "when added, the constraint is created" do
|
|
defposts do
|
|
attributes do
|
|
uuid_primary_key(:id)
|
|
attribute(:price, :integer)
|
|
end
|
|
|
|
postgres do
|
|
check_constraints do
|
|
check_constraint(:price, "price_must_be_positive", check: "price > 0")
|
|
end
|
|
end
|
|
end
|
|
|
|
defapi([Post])
|
|
|
|
AshPostgres.MigrationGenerator.generate(Api,
|
|
snapshot_path: "test_snapshots_path",
|
|
migration_path: "test_migration_path",
|
|
quiet: true,
|
|
format: false
|
|
)
|
|
|
|
assert file =
|
|
"test_migration_path/**/*_migrate_resources*.exs"
|
|
|> Path.wildcard()
|
|
|> Enum.sort()
|
|
|> Enum.at(0)
|
|
|
|
assert File.read!(file) =~
|
|
~S[create constraint(:posts, :price_must_be_positive, check: "price > 0")]
|
|
end
|
|
|
|
test "when removed, the constraint is dropped before modification" do
|
|
defposts do
|
|
attributes do
|
|
uuid_primary_key(:id)
|
|
attribute(:price, :integer)
|
|
end
|
|
|
|
postgres do
|
|
check_constraints do
|
|
check_constraint(:price, "price_must_be_positive", check: "price > 0")
|
|
end
|
|
end
|
|
end
|
|
|
|
defapi([Post])
|
|
|
|
AshPostgres.MigrationGenerator.generate(Api,
|
|
snapshot_path: "test_snapshots_path",
|
|
migration_path: "test_migration_path",
|
|
quiet: true,
|
|
format: false
|
|
)
|
|
|
|
defposts do
|
|
attributes do
|
|
uuid_primary_key(:id)
|
|
attribute(:price, :integer)
|
|
end
|
|
end
|
|
|
|
AshPostgres.MigrationGenerator.generate(Api,
|
|
snapshot_path: "test_snapshots_path",
|
|
migration_path: "test_migration_path",
|
|
quiet: true,
|
|
format: false
|
|
)
|
|
|
|
assert file =
|
|
"test_migration_path/**/*_migrate_resources*.exs"
|
|
|> Path.wildcard()
|
|
|> Enum.sort()
|
|
|> Enum.at(1)
|
|
|
|
assert File.read!(file) =~
|
|
~S[drop_if_exists constraint(:posts, :price_must_be_positive)]
|
|
end
|
|
end
|
|
|
|
describe "polymorphic resources" do
|
|
setup do
|
|
on_exit(fn ->
|
|
File.rm_rf!("test_snapshots_path")
|
|
File.rm_rf!("test_migration_path")
|
|
end)
|
|
|
|
defmodule Comment do
|
|
use Ash.Resource,
|
|
data_layer: AshPostgres.DataLayer
|
|
|
|
postgres do
|
|
polymorphic? true
|
|
repo AshPostgres.TestRepo
|
|
end
|
|
|
|
attributes do
|
|
uuid_primary_key(:id)
|
|
attribute(:resource_id, :uuid)
|
|
end
|
|
|
|
actions do
|
|
defaults([:create, :read, :update, :destroy])
|
|
end
|
|
end
|
|
|
|
defmodule Post do
|
|
use Ash.Resource,
|
|
data_layer: AshPostgres.DataLayer
|
|
|
|
postgres do
|
|
table "posts"
|
|
repo AshPostgres.TestRepo
|
|
end
|
|
|
|
actions do
|
|
defaults([:create, :read, :update, :destroy])
|
|
end
|
|
|
|
attributes do
|
|
uuid_primary_key(:id)
|
|
end
|
|
|
|
relationships do
|
|
has_many(:comments, Comment,
|
|
destination_field: :resource_id,
|
|
relationship_context: %{data_layer: %{table: "post_comments"}}
|
|
)
|
|
|
|
belongs_to(:best_comment, Comment,
|
|
destination_field: :id,
|
|
relationship_context: %{data_layer: %{table: "post_comments"}}
|
|
)
|
|
end
|
|
end
|
|
|
|
defapi([Post, Comment])
|
|
|
|
AshPostgres.MigrationGenerator.generate(Api,
|
|
snapshot_path: "test_snapshots_path",
|
|
migration_path: "test_migration_path",
|
|
quiet: true,
|
|
format: false
|
|
)
|
|
|
|
[api: Api]
|
|
end
|
|
|
|
test "it uses the relationship's table context if it is set" do
|
|
assert [file] = Path.wildcard("test_migration_path/**/*_migrate_resources*.exs")
|
|
|
|
assert File.read!(file) =~
|
|
~S[references(:post_comments, column: :id, prefix: "public", name: "posts_best_comment_id_fkey", type: :uuid)]
|
|
end
|
|
end
|
|
|
|
describe "default values" do
|
|
setup do
|
|
on_exit(fn ->
|
|
File.rm_rf!("test_snapshots_path")
|
|
File.rm_rf!("test_migration_path")
|
|
end)
|
|
end
|
|
|
|
test "when default value is specified that implements EctoMigrationDefault" do
|
|
defposts do
|
|
attributes do
|
|
uuid_primary_key(:id)
|
|
attribute(:start_date, :date, default: ~D[2022-04-19])
|
|
attribute(:start_time, :time, default: ~T[08:30:45])
|
|
attribute(:timestamp, :utc_datetime, default: ~U[2022-02-02 08:30:30Z])
|
|
attribute(:timestamp_naive, :naive_datetime, default: ~N[2022-02-02 08:30:30])
|
|
attribute(:number, :integer, default: 5)
|
|
attribute(:fraction, :float, default: 0.25)
|
|
attribute(:decimal, :decimal, default: Decimal.new("123.4567890987654321987"))
|
|
attribute(:name, :string, default: "Fred")
|
|
attribute(:tag, :atom, default: :value)
|
|
attribute(:enabled, :boolean, default: false)
|
|
end
|
|
end
|
|
|
|
defapi([Post])
|
|
|
|
AshPostgres.MigrationGenerator.generate(Api,
|
|
snapshot_path: "test_snapshots_path",
|
|
migration_path: "test_migration_path",
|
|
quiet: true,
|
|
format: false
|
|
)
|
|
|
|
assert [file1] = Enum.sort(Path.wildcard("test_migration_path/**/*_migrate_resources*.exs"))
|
|
|
|
file = File.read!(file1)
|
|
|
|
assert file =~
|
|
~S[add :start_date, :date, default: fragment("'2022-04-19'")]
|
|
|
|
assert file =~
|
|
~S[add :start_time, :time, default: fragment("'08:30:45'")]
|
|
|
|
assert file =~
|
|
~S[add :timestamp, :utc_datetime, default: fragment("'2022-02-02 08:30:30Z'")]
|
|
|
|
assert file =~
|
|
~S[add :timestamp_naive, :naive_datetime, default: fragment("'2022-02-02 08:30:30'")]
|
|
|
|
assert file =~
|
|
~S[add :number, :bigint, default: 5]
|
|
|
|
assert file =~
|
|
~S[add :fraction, :float, default: 0.25]
|
|
|
|
assert file =~
|
|
~S[add :decimal, :decimal, default: "123.4567890987654321987"]
|
|
|
|
assert file =~
|
|
~S[add :name, :text, default: "Fred"]
|
|
|
|
assert file =~
|
|
~S[add :tag, :text, default: "value"]
|
|
|
|
assert file =~
|
|
~S[add :enabled, :boolean, default: false]
|
|
end
|
|
end
|
|
end
|