tests/examples/junctions.py: Add tests for junctions walkthroughphil/437-junction-tutorial

This is part of the work towards issue #437.

1 files changed, 84 insertions, 0 deletions

diff --git a/tests/examples/junctions.py b/tests/examples/junctions.py
new file mode 100644
index 000000000..49e2ebbff
--- /dev/null
+++ b/tests/examples/junctions.py
@@ -0,0 +1,84 @@
+import os
+import pytest
+
+from tests.testutils import cli_integration as cli
+from tests.testutils.integration import assert_contains
+from tests.testutils.site import IS_LINUX
+
+pytestmark = pytest.mark.integration
+
+DATA_DIR = os.path.join(
+    os.path.dirname(os.path.realpath(__file__)), '..', '..', 'doc', 'examples', 'junctions'
+)
+
+JUNCTION_IMPORT_PATH = os.path.join(
+    os.path.dirname(os.path.realpath(__file__)), '..', '..', 'doc', 'examples', 'autotools'
+)
+
+
+def ammend_juntion_path_paths(tmpdir):
+    # The junction element in the examples/junctions project uses a local source type.
+    # It's "path:" must specify a relative path from the project's root directory.
+    # For the hello-junction element to function during these tests, the copy of the junctions
+    # project made in the buildstream/tmp/directory, "path:" must be ammended to be the relative
+    # path to the autotools example from the temporary test directory.
+    junction_element = os.path.join(tmpdir, "elements", "hello-junction.bst")
+    junction_element_bst = ""
+    junction_relative_path = os.path.relpath(JUNCTION_IMPORT_PATH, tmpdir)
+    with open(junction_element, 'r') as f:
+        junction_element_bst = f.read()
+    ammended_element_bst = junction_element_bst.replace("../autotools", junction_relative_path)
+    with open(junction_element, 'w') as f:
+        f.write(ammended_element_bst)
+
+
+# Check that the autotools project is where the junctions example expects and
+# contains the hello.bst element.
+@pytest.mark.datafiles(DATA_DIR)
+def test_autotools_example_is_present(datafiles):
+    autotools_path = JUNCTION_IMPORT_PATH
+    assert os.path.exists(autotools_path)
+    assert os.path.exists(os.path.join(autotools_path, "elements", "hello.bst"))
+
+
+# Test that the project builds successfully
+@pytest.mark.skipif(not IS_LINUX, reason='Only available on linux')
+@pytest.mark.datafiles(DATA_DIR)
+def test_build(cli, tmpdir, datafiles):
+    project = os.path.join(datafiles.dirname, datafiles.basename)
+    ammend_juntion_path_paths(str(tmpdir))
+
+    result = cli.run(project=project, args=['build', 'callHello.bst'])
+    result.assert_success()
+
+
+# Test the callHello script works as expected.
+@pytest.mark.skipif(not IS_LINUX, reason='Only available on linux')
+@pytest.mark.datafiles(DATA_DIR)
+def test_shell_call_hello(cli, tmpdir, datafiles):
+    project = os.path.join(datafiles.dirname, datafiles.basename)
+    ammend_juntion_path_paths(str(tmpdir))
+
+    result = cli.run(project=project, args=['build', 'callHello.bst'])
+    result.assert_success()
+
+    result = cli.run(project=project, args=['shell', 'callHello.bst', '--', '/bin/sh', 'callHello.sh'])
+    result.assert_success()
+    assert result.output == 'Calling hello:\nHello World!\nThis is amhello 1.0.\n'
+
+
+# Test opening a cross-junction workspace
+@pytest.mark.skipif(not IS_LINUX, reason='Only available on linux')
+@pytest.mark.datafiles(DATA_DIR)
+def test_open_cross_junction_workspace(cli, tmpdir, datafiles):
+    project = os.path.join(datafiles.dirname, datafiles.basename)
+    workspace_dir = os.path.join(str(tmpdir), "workspace_hello_junction")
+    ammend_juntion_path_paths(str(tmpdir))
+
+    result = cli.run(project=project,
+                     args=['workspace', 'open', 'hello-junction.bst:hello.bst', workspace_dir])
+    result.assert_success()
+
+    result = cli.run(project=project,
+                     args=['workspace', 'close', '--remove-dir', 'hello-junction.bst:hello.bst'])
+    result.assert_success()