|
| 1 | +import pytest |
| 2 | +import pathlib |
| 3 | +from dbt.tests.util import ( |
| 4 | + run_dbt, |
| 5 | + get_manifest, |
| 6 | + write_file, |
| 7 | + rm_file, |
| 8 | + read_file, |
| 9 | +) |
| 10 | +from dbt.exceptions import DuplicateVersionedUnversionedError |
| 11 | + |
| 12 | +model_one_sql = """ |
| 13 | +select 1 as fun |
| 14 | +""" |
| 15 | + |
| 16 | +model_one_downstream_sql = """ |
| 17 | +select fun from {{ ref('model_one') }} |
| 18 | +""" |
| 19 | + |
| 20 | +models_versions_schema_yml = """ |
| 21 | +
|
| 22 | +models: |
| 23 | + - name: model_one |
| 24 | + description: "The first model" |
| 25 | + versions: |
| 26 | + - v: 1 |
| 27 | + - v: 2 |
| 28 | +""" |
| 29 | + |
| 30 | +models_versions_defined_in_schema_yml = """ |
| 31 | +models: |
| 32 | + - name: model_one |
| 33 | + description: "The first model" |
| 34 | + versions: |
| 35 | + - v: 1 |
| 36 | + - v: 2 |
| 37 | + defined_in: model_one_different |
| 38 | +""" |
| 39 | + |
| 40 | +models_versions_updated_schema_yml = """ |
| 41 | +models: |
| 42 | + - name: model_one |
| 43 | + latest_version: 1 |
| 44 | + description: "The first model" |
| 45 | + versions: |
| 46 | + - v: 1 |
| 47 | + - v: 2 |
| 48 | + defined_in: model_one_different |
| 49 | +""" |
| 50 | + |
| 51 | +model_two_sql = """ |
| 52 | +select 1 as notfun |
| 53 | +""" |
| 54 | + |
| 55 | + |
| 56 | +class TestVersionedModels: |
| 57 | + @pytest.fixture(scope="class") |
| 58 | + def models(self): |
| 59 | + return { |
| 60 | + "model_one_v1.sql": model_one_sql, |
| 61 | + "model_one.sql": model_one_sql, |
| 62 | + "model_one_downstream.sql": model_one_downstream_sql, |
| 63 | + "schema.yml": models_versions_schema_yml, |
| 64 | + } |
| 65 | + |
| 66 | + def test_pp_versioned_models(self, project): |
| 67 | + results = run_dbt(["run"]) |
| 68 | + assert len(results) == 3 |
| 69 | + |
| 70 | + manifest = get_manifest(project.project_root) |
| 71 | + model_one_node = manifest.nodes["model.test.model_one.v1"] |
| 72 | + assert not model_one_node.is_latest_version |
| 73 | + model_two_node = manifest.nodes["model.test.model_one.v2"] |
| 74 | + assert model_two_node.is_latest_version |
| 75 | + # assert unpinned ref points to latest version |
| 76 | + model_one_downstream_node = manifest.nodes["model.test.model_one_downstream"] |
| 77 | + assert model_one_downstream_node.depends_on.nodes == ["model.test.model_one.v2"] |
| 78 | + |
| 79 | + # update schema.yml block - model_one is now 'defined_in: model_one_different' |
| 80 | + rm_file(project.project_root, "models", "model_one.sql") |
| 81 | + write_file(model_one_sql, project.project_root, "models", "model_one_different.sql") |
| 82 | + write_file( |
| 83 | + models_versions_defined_in_schema_yml, project.project_root, "models", "schema.yml" |
| 84 | + ) |
| 85 | + results = run_dbt(["--partial-parse", "run"]) |
| 86 | + assert len(results) == 3 |
| 87 | + |
| 88 | + # update versions schema.yml block - latest_version from 2 to 1 |
| 89 | + write_file( |
| 90 | + models_versions_updated_schema_yml, project.project_root, "models", "schema.yml" |
| 91 | + ) |
| 92 | + # This is where the test was failings in a CI run with: |
| 93 | + # relation \"test..._test_partial_parsing.model_one_downstream\" does not exist |
| 94 | + # because in core/dbt/include/global_project/macros/materializations/models/view/view.sql |
| 95 | + # "existing_relation" didn't actually exist by the time it gets to the rename of the |
| 96 | + # existing relation. |
| 97 | + (pathlib.Path(project.project_root) / "log_output").mkdir(parents=True, exist_ok=True) |
| 98 | + results = run_dbt( |
| 99 | + ["--partial-parse", "--log-format-file", "json", "--log-path", "log_output", "run"] |
| 100 | + ) |
| 101 | + assert len(results) == 3 |
| 102 | + |
| 103 | + manifest = get_manifest(project.project_root) |
| 104 | + model_one_node = manifest.nodes["model.test.model_one.v1"] |
| 105 | + assert model_one_node.is_latest_version |
| 106 | + model_two_node = manifest.nodes["model.test.model_one.v2"] |
| 107 | + assert not model_two_node.is_latest_version |
| 108 | + # assert unpinned ref points to latest version |
| 109 | + model_one_downstream_node = manifest.nodes["model.test.model_one_downstream"] |
| 110 | + assert model_one_downstream_node.depends_on.nodes == ["model.test.model_one.v1"] |
| 111 | + |
| 112 | + # assert unpinned ref to latest-not-max version yields an "FYI" info-level log |
| 113 | + log_output = read_file("log_output", "dbt.log").replace("\n", " ").replace("\\n", " ") |
| 114 | + assert "UnpinnedRefNewVersionAvailable" in log_output |
| 115 | + |
| 116 | + # update versioned model |
| 117 | + write_file(model_two_sql, project.project_root, "models", "model_one_different.sql") |
| 118 | + results = run_dbt(["--partial-parse", "run"]) |
| 119 | + assert len(results) == 3 |
| 120 | + manifest = get_manifest(project.project_root) |
| 121 | + assert len(manifest.nodes) == 3 |
| 122 | + |
| 123 | + # create a new model_one in model_one.sql and re-parse |
| 124 | + write_file(model_one_sql, project.project_root, "models", "model_one.sql") |
| 125 | + with pytest.raises(DuplicateVersionedUnversionedError): |
| 126 | + run_dbt(["parse"]) |
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