testing: migrate flakes/init.sh
Change-Id: If132a14e3d10578489cdca03f67c2166f1362d6e
This commit is contained in:
eldritch horrors
@@ -1,87 +0,0 @@
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source ./common.sh
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requireGit
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templatesDir=$TEST_ROOT/templates
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flakeDir=$TEST_ROOT/flake
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nixpkgsDir=$TEST_ROOT/nixpkgs
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nix registry add --registry $registry templates git+file://$templatesDir
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nix registry add --registry $registry nixpkgs git+file://$nixpkgsDir
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createGitRepo $nixpkgsDir
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createSimpleGitFlake $nixpkgsDir
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# Test 'nix flake init'.
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createGitRepo $templatesDir
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cat > $templatesDir/flake.nix <<EOF
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{
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description = "Some templates";
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outputs = { self }: {
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templates = rec {
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trivial = {
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path = ./trivial;
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description = "A trivial flake";
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welcomeText = ''
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Welcome to my trivial flake
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'';
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};
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default = trivial;
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};
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};
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}
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EOF
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mkdir $templatesDir/trivial
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cat > $templatesDir/trivial/flake.nix <<EOF
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{
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description = "A flake for building Hello World";
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outputs = { self, nixpkgs }: {
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packages.$system = rec {
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hello = nixpkgs.legacyPackages.$system.hello;
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default = hello;
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};
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};
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}
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EOF
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echo a > $templatesDir/trivial/a
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echo b > $templatesDir/trivial/b
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git -C $templatesDir add flake.nix trivial/
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git -C $templatesDir commit -m 'Initial'
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nix flake check templates
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nix flake show templates
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nix flake show templates --json | jq
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createGitRepo $flakeDir
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(cd $flakeDir && nix flake init)
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(cd $flakeDir && nix flake init) # check idempotence
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git -C $flakeDir add flake.nix
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nix flake check $flakeDir
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nix flake show $flakeDir
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nix flake show $flakeDir --json | jq
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git -C $flakeDir commit -a -m 'Initial'
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# Test 'nix flake init' with benign conflicts
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createGitRepo "$flakeDir"
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echo a > $flakeDir/a
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(cd $flakeDir && nix flake init) # check idempotence
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# Test 'nix flake init' with conflicts
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createGitRepo "$flakeDir"
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echo b > $flakeDir/a
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pushd $flakeDir
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(! nix flake init) |& grep "refusing to overwrite existing file '$flakeDir/a'"
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popd
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git -C $flakeDir commit -a -m 'Changed'
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# Test 'nix flake new'.
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rm -rf $flakeDir
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nix flake new -t templates#trivial $flakeDir
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nix flake new -t templates#trivial $flakeDir # check idempotence
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nix flake check $flakeDir
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@@ -36,7 +36,6 @@ functional_tests_scripts = [
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'flakes/develop.sh',
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'flakes/develop-r8854.sh',
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'flakes/mercurial.sh',
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'flakes/init.sh',
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'flakes/inputs.sh',
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'flakes/follow-paths.sh',
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'flakes/build-paths.sh',
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@@ -0,0 +1,176 @@
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from testlib.fixtures.nix import Nix
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from testlib.fixtures.git import Git
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from testlib.fixtures.file_helper import with_files, File
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from testlib.environ import environ
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from testlib.utils import get_global_asset_pack, get_global_asset
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from pathlib import Path
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import pytest
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system = environ.get("system")
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files = {
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"templates": get_global_asset_pack(".git")
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| {
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"flake.nix": File("""{
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description = "Some templates";
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outputs = { self }: {
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templates = rec {
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trivial = {
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path = ./trivial;
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description = "A trivial flake";
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welcomeText = ''
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Welcome to my trivial flake
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'';
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};
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default = trivial;
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};
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};
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}"""),
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"trivial": {
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"flake.nix": File(f"""{{
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description = "A flake for building Hello World";
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outputs = {{ self, nixpkgs }}: {{
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packages.{system} = rec {{
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hello = nixpkgs.legacyPackages.{system}.hello;
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default = hello;
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}};
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}};
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}}"""),
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"a": File("a"),
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"b": File("b"),
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},
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},
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"flake": get_global_asset_pack(".git"),
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"nixpkgs": get_global_asset_pack(".git")
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| {
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"config.nix": get_global_asset("config.nix"),
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"flake.nix": File(f"""{{
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outputs = {{ self }}: {{
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legacyPackages.{system}.hello =
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with import ./config.nix;
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mkDerivation {{
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name = "hello";
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buildCommand = "echo hello > $out";
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}};
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}};
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}}"""),
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},
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"registry.json": File(""),
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}
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@pytest.fixture(autouse=True)
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def common_init(nix: Nix, files: Path, git: Git):
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nix.settings.add_xp_feature("nix-command", "flakes")
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nix.settings["flake-registry"] = str(files / "registry.json")
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git(files / "templates", "add", "flake.nix", "trivial/")
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git(files / "templates", "commit", "-m", "Initial")
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git(files / "nixpkgs", "add", "flake.nix", "config.nix")
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nix.nix(
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[
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"registry",
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"add",
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"--registry",
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files / "registry.json",
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"templates",
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f"git+file://{files}/templates",
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]
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).run().ok()
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nix.nix(
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[
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"registry",
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"add",
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"--registry",
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files / "registry.json",
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"nixpkgs",
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f"git+file://{files}/nixpkgs",
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]
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).run().ok()
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@with_files(files)
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class TestFlakeTemplates:
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def test_check(self, nix: Nix, files: Path):
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assert (
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"checking template 'templates.trivial'"
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in nix.nix(["flake", "check", files / "templates"]).run().ok().stderr_s
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)
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def test_show(self, nix: Nix, files: Path):
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assert (
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"A trivial flake" in nix.nix(["flake", "show", files / "templates"]).run().ok().stdout_s
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)
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def test_show_json(self, nix: Nix, files: Path):
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result = nix.nix(["flake", "show", files / "templates", "--json"]).run().json()
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assert result["templates"]["default"]["description"] == "A trivial flake"
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def test_init(self, nix: Nix, files: Path):
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stderr = nix.nix(["flake", "init"], cwd=files / "flake").run().ok().stderr_s
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assert f"wrote: {files}/flake/flake.nix" in stderr
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class TestWithInit:
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@pytest.fixture(autouse=True)
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def init_flake(self, nix: Nix, files: Path):
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nix.nix(["flake", "init"], cwd=files / "flake").run().ok()
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def test_init_idempotent(self, nix: Nix, files: Path):
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stderr = nix.nix(["flake", "init"], cwd=files / "flake").run().ok().stderr_s
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assert "skipping identical file" in stderr
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class TestInRepo:
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@pytest.fixture(autouse=True)
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def init_repo(self, files: Path, git: Git):
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git(files / "flake", "add", "flake.nix")
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def test_check(self, nix: Nix, files: Path):
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stderr = nix.nix(["flake", "check", files / "flake"]).run().ok().stderr_s
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assert f"fetching git input 'git+file://{files}/flake'" in stderr
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assert f"fetching git input 'git+file://{files}/nixpkgs'" in stderr
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assert "evaluating flake" in stderr
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def test_show(self, nix: Nix, files: Path):
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stdout = nix.nix(["flake", "show", files / "flake"]).run().ok().stdout_s
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assert "hello: package 'hello'" in stdout
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def test_show_json(self, nix: Nix, files: Path):
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result = nix.nix(["flake", "show", files / "flake", "--json"]).run().json()
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assert result["packages"][system]["default"]["name"] == "hello"
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assert result["packages"][system]["hello"]["name"] == "hello"
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def test_benign_conflict_idempotence(self, nix: Nix, files: Path):
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(files / "flake/a").write_text("a")
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stderr = nix.nix(["flake", "init"], cwd=files / "flake").run().ok().stderr_s
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assert "skipping identical file" in stderr
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assert f"wrote: {files}/flake/flake.nix" in stderr
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def test_init_conflict(self, nix: Nix, files: Path):
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(files / "flake/a").write_text("b")
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stderr = nix.nix(["flake", "init"], cwd=files / "flake").run().expect(1).stderr_s
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assert f"refusing to overwrite existing file '{files}/flake/a'" in stderr
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def test_new(self, nix: Nix):
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stderr = nix.nix(["flake", "new", "-t", "templates#trivial", "flake2"]).run().ok().stderr_s
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assert f"wrote: {nix.env.dirs.home}/flake2/flake.nix" in stderr
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class TestNew:
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def test_idempotent(self, nix: Nix, files: Path):
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nix.nix(["flake", "new", "-t", "templates#trivial", files / "flake2"]).run().ok()
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stderr = (
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nix.nix(["flake", "new", "-t", "templates#trivial", files / "flake2"])
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.run()
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.ok()
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.stderr_s
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)
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assert "skipping identical file" in stderr
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def test_check(self, nix: Nix, files: Path):
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nix.nix(["flake", "new", "-t", "templates#trivial", files / "flake2"]).run().ok()
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stderr = nix.nix(["flake", "check", files / "flake2"]).run().ok().stderr_s
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assert "evaluating flake" in stderr
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