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dag: Add --mermaid option.

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This commit is contained in:
David de la Iglesia Castro
2022-04-21 14:03:45 +05:45
committed by Saugat Pachhai
parent 6ffba62b75
commit f20d6a7048
3 changed files with 113 additions and 4 deletions
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tests/unit/command/test_dag.py
+70 -4
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@@ -1,12 +1,28 @@
import networkx as nx
import pytest
from dvc.cli import parse_args
from dvc.commands.dag import CmdDAG, _build, _show_ascii, _show_dot
from dvc.cli import main, parse_args
from dvc.commands.dag import (
CmdDAG,
_build,
_show_ascii,
_show_dot,
_show_mermaid,
)
@pytest.mark.parametrize("fmt", [None, "--dot"])
def test_dag(tmp_dir, dvc, mocker, fmt):
@pytest.mark.parametrize(
"fmt, formatter",
[
(None, "_show_ascii"),
("--dot", "_show_dot"),
("--mermaid", "_show_mermaid"),
("--md", "_show_mermaid"),
],
)
def test_dag(tmp_dir, dvc, mocker, fmt, formatter):
from dvc.commands import dag
tmp_dir.dvc_gen("foo", "foo")
args = ["dag", "--full", "foo.dvc"]
@@ -15,12 +31,16 @@ def test_dag(tmp_dir, dvc, mocker, fmt):
cli_args = parse_args(args)
assert cli_args.func == CmdDAG
fmt_func = mocker.spy(dag, formatter)
cmd = cli_args.func(cli_args)
mocker.patch("dvc.commands.dag._build", return_value=dvc.index.graph)
assert cmd.run() == 0
assert fmt_func.called
@pytest.fixture
def repo(tmp_dir, dvc):
@@ -131,3 +151,49 @@ def test_show_dot(repo):
"\"stage: '4'\" -> \"stage: '3'\";\n"
"}\n"
)
def test_show_mermaid(repo):
assert [
line.rstrip() for line in _show_mermaid(repo.index.graph).splitlines()
] == [
"flowchart TD",
"\tnode1[stage: '1']",
"\tnode2[stage: '2']",
"\tnode3[stage: '3']",
"\tnode4[stage: '4']",
"\tnode5[stage: 'a.dvc']",
"\tnode6[stage: 'b.dvc']",
"\tnode3-->node4",
"\tnode5-->node1",
"\tnode5-->node3",
"\tnode5-->node4",
"\tnode6-->node2",
"\tnode6-->node3",
]
def test_show_mermaid_markdown(repo, dvc, capsys, mocker):
mocker.patch("dvc.commands.dag._build", return_value=dvc.index.graph)
capsys.readouterr()
assert main(["dag", "--md"]) == 0
assert [
line.rstrip() for line in capsys.readouterr().out.splitlines()
] == [
"```mermaid",
"flowchart TD",
"\tnode1[stage: '1']",
"\tnode2[stage: '2']",
"\tnode3[stage: '3']",
"\tnode4[stage: '4']",
"\tnode5[stage: 'a.dvc']",
"\tnode6[stage: 'b.dvc']",
"\tnode3-->node4",
"\tnode5-->node1",
"\tnode5-->node3",
"\tnode5-->node4",
"\tnode6-->node2",
"\tnode6-->node3",
"```",
]