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Copy pathtest_showref.py
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48 lines (38 loc) · 1.93 KB
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import re
import subprocess
def test_showref_list(repo_init_with_commit, git2cpp_path, tmp_path):
"""`show-ref` lists the repository references (heads present after init+commit)."""
cmd = [git2cpp_path, "show-ref"]
p = subprocess.run(cmd, capture_output=True, cwd=tmp_path, text=True)
assert p.returncode == 0
# repo_init_with_commit in conftest creates the branch "main"
assert "refs/heads/main" in p.stdout
def test_showref_includes_tag(repo_init_with_commit, git2cpp_path, tmp_path):
"""A created tag appears in show-ref output as refs/tags/<name>."""
# create a lightweight tag using the CLI under test
subprocess.run([git2cpp_path, "tag", "v1.0"], cwd=tmp_path, check=True)
p = subprocess.run([git2cpp_path, "show-ref"], capture_output=True, cwd=tmp_path, text=True)
assert p.returncode == 0
assert "refs/tags/v1.0" in p.stdout
def test_showref_line_format(repo_init_with_commit, git2cpp_path, tmp_path):
"""Each line of show-ref is: <40-hex-oid> <refname>."""
p = subprocess.run([git2cpp_path, "show-ref"], capture_output=True, cwd=tmp_path, text=True)
assert p.returncode == 0
print(p.stdout)
hex_re = re.compile(r"^[0-9a-f]{40}$")
for line in p.stdout.splitlines():
line = line.strip()
if not line:
continue
parts = line.split()
# Expect at least two tokens: oid and refname
assert len(parts) >= 2
oid, refname = parts[0], parts[1]
assert hex_re.match(oid), f"OID not a 40-char hex: {oid!r}"
assert refname.startswith("refs/"), f"Refname does not start with refs/: {refname!r}"
def test_showref_nogit(git2cpp_path, tmp_path):
"""Running show-ref outside a repository returns an error and non-zero exit."""
cmd = [git2cpp_path, "show-ref"]
p = subprocess.run(cmd, capture_output=True, cwd=tmp_path, text=True)
assert p.returncode != 0
assert "error: could not find repository at" in p.stderr