def tree(chtempdir):
'''
A directory tree with our fixture data and appropriate scripts.
Contents:
* A mocked-out `flow` command, as a script that cats a file.
* The said file, computed from the fixture data.
* Stub source files, with `@flow` lines for `grep` to find,
computed also from fixture data.
* The reference script `tsort-modules.orig`, copied into place.
'''
for filename, imports in import_graph.items():
check_cmd('mkdir -p {}', os.path.dirname(filename))
with open(filename, 'w') as f:
print(flow_line.get(filename, ''), file=f)
with open('imports.json', 'w') as f:
json.dump(compute_json(), f)
check_cmd('mkdir -p node_modules/.bin')
with open('node_modules/.bin/flow', 'w') as f:
f.write('#!/bin/bash\ncat imports.json\n')
check_cmd('chmod a+x node_modules/.bin/flow')
check_cmd('mkdir -p tools')
check_cmd('cp -a {}/tsort-modules.orig tools/tsort-modules', THIS_DIR)
def test_originfallback():
check_cmd("git update-ref refs/remotes/origin/datacomp datacomp")
check_cmd("git update-ref -d refs/heads/datacomp")
check_cmd("git log --graph --oneline --all @")
check_cmd("{} brown-dwarf", knit_script)
check_cmd("git log --graph --oneline --all @")
assert slurp_cmd("git log -n1 --format=%p @").split(b" ") == [
slurp_cmd("git rev-parse --short master"),
slurp_cmd("git rev-parse --short origin/datacomp"),
]
def test_include_optional():
check_cmd("git checkout @^ -b brown-dwarf.only")
example_ci("b")
check_cmd("git checkout master")
check_cmd("git log --graph --oneline --all @")
check_cmd("{} brown-dwarf", knit_script)
check_cmd("git log --graph --oneline --all @")
assert slurp_cmd("git log -n1 --format=%p @").split(b" ") == [
slurp_cmd("git rev-parse --short master"),
slurp_cmd("git rev-parse --short datacomp"),
slurp_cmd("git rev-parse --short brown-dwarf.only"),
]
def test_fail_on_branch_missing():
check_cmd("git update-ref -d refs/heads/datacomp")
check_cmd("git log --graph --oneline --all @")
with pytest.raises(subprocess.CalledProcessError):
check_cmd("{} brown-dwarf", knit_script)
check_cmd("git log --graph --oneline --all @")
assert slurp_cmd("git rev-parse @") \
== slurp_cmd("git rev-parse master")
def test_dirty():
with open("a", "a") as f:
f.write("aa\n")
check_cmd("git log --graph --oneline --all @")
with pytest.raises(subprocess.CalledProcessError):
check_cmd("{} brown-dwarf", knit_script)
check_cmd("git log --graph --oneline --all @")
assert slurp_cmd("git rev-parse @") \
== slurp_cmd("git rev-parse master")
def test_basic_happy():
check_cmd("git log --graph --oneline --all @")
check_cmd("{} brown-dwarf", knit_script)
check_cmd("git log --graph --oneline --all @")
parents = \
slurp_cmd("git log -n1 --format=%p @").split(b" ")
assert parents == [
slurp_cmd("git rev-parse --short master"),
slurp_cmd("git rev-parse --short datacomp"),
]
def repo(chtempdir):
"""
* (master) m
|
| * (datacomp) d
|/
* a
"""
check_cmd("git init")
example_ci("a")
example_ci("m")
check_cmd("git checkout @^ -b datacomp")
example_ci("d")
check_cmd("git checkout master")
def example_ci(name):
with open(name, "w") as f:
f.write(f"{name}\n")
check_cmd("git add {}", name)
check_cmd("git commit -m {}", name)