Filter environments for user with given project id

Previously, calling `Environment.for_user(user, project)` would return
environments a user has access to across all projects. Now, we will only
return the relevant environements. This was the cause of a visual bug
where extra environments were shown in the project list.

tests/domain/test_environments.py

@@ -4,11 +4,19 @@ from uuid import uuid4
 from atst.domain.environments import Environments
 from atst.domain.environment_roles import EnvironmentRoles
 from atst.domain.projects import Projects
+from atst.domain.roles import Roles
 from atst.domain.workspaces import Workspaces
 from atst.domain.workspace_users import WorkspaceUsers
 from atst.domain.exceptions import NotFoundError
+from atst.models.environment_role import EnvironmentRole
 
-from tests.factories import RequestFactory, UserFactory
+from tests.factories import (
+    RequestFactory,
+    UserFactory,
+    WorkspaceFactory,
+    EnvironmentFactory,
+    ProjectFactory,
+)
 
 
 def test_update_environment_roles():
@@ -43,3 +51,24 @@ def test_update_environment_roles():
 
     assert new_dev_env_role.role == "billing_admin"
     assert staging_env_role.role == "developer"
+
+
+def test_get_scoped_environments(db):
+    developer = UserFactory.create()
+    workspace = WorkspaceFactory.create()
+    workspace_user = Workspaces.add_member(workspace, developer, "developer")
+    project1 = ProjectFactory.create(workspace=workspace)
+    project2 = ProjectFactory.create(workspace=workspace)
+    env1 = EnvironmentFactory.create(project=project1, name="project1 dev")
+    env2 = EnvironmentFactory.create(project=project1, name="project1 staging")
+    env3 = EnvironmentFactory.create(project=project2, name="project2 dev")
+    env4 = EnvironmentFactory.create(project=project2, name="project2 staging")
+    db.session.add(EnvironmentRole(user=developer, environment=env1, role="developer"))
+    db.session.add(EnvironmentRole(user=developer, environment=env4, role="developer"))
+    db.session.commit()
+
+    project1_envs = Environments.for_user(developer, project1)
+    assert [env.name for env in project1_envs] == ["project1 dev"]
+
+    project2_envs = Environments.for_user(developer, project2)
+    assert [env.name for env in project2_envs] == ["project2 staging"]