def test_unconnected():
sketcher = Sketcher()
sketcher.define('a1 a2 b1 c2')
sketch = sketcher.sketch
sketch.color_beads()
assert bead(sketch, 'a1').freshness == SUPERSEDED
assert bead(sketch, 'a2').freshness == UP_TO_DATE
assert bead(sketch, 'b1').freshness == UP_TO_DATE
assert bead(sketch, 'c2').freshness == UP_TO_DATE
def indirect_links_sketch(self, robot):
sketcher = Sketcher()
sketcher.define('a1 b1 b2 c1 c2 d3 e1 f1')
sketcher.compile("""
a1 -> b1 e1 -> f1
b2 -> c1
c2 -> d3
""")
sketcher.sketch.to_file(robot.cwd / 'computation.web')
def sketch(self, robot):
sketcher = Sketcher()
sketcher.define('a1 b1 c1 d1 e1 f1')
sketcher.compile("""
a1 -> b1 -> c1 -> d1
b1 ------------> e1 -> f1
""")
sketcher.sketch.to_file(robot.cwd / 'computation.web')
def test_phantom_input():
sketcher = Sketcher()
sketcher.define('d1 e1')
sketcher.phantom('d1')
sketcher.compile("""
d1 --> e1
""")
sketch = sketcher.sketch
sketch.color_beads()
assert {'e'} == {bead.name for bead in sketcher.beads}
assert len(list(sketcher.beads)) == 1
assert len(sketch.beads) == 2
assert bead(sketch, 'd1').freshness == PHANTOM
assert bead(sketch, 'e1').freshness == OUT_OF_DATE
def test_out_of_date_input():
sketcher = Sketcher()
sketcher.define('a1 a2 b1')
sketcher.compile("""
a1 -> b1
""")
sketch = sketcher.sketch
sketch.color_beads()
assert bead(sketch, 'a1').freshness == SUPERSEDED
assert bead(sketch, 'b1').freshness == OUT_OF_DATE
def test_impossible_loop():
# sketcher are always forming a DAG, so this can not happen
sketcher = Sketcher()
sketcher.define('a1 b1')
sketcher.compile("""
a1 -> b1
b1 -> a1
""")
sketch = sketcher.sketch
with pytest.raises(ValueError):
sketch.color_beads()
def test_coloring_is_transitive():
sketcher = Sketcher()
sketcher.define('a1 c1 d1 e1')
sketcher.define('a2 b2 c2 ')
sketcher.phantom('c1')
sketcher.compile("""
a1 c1 -> d1 -> e1
a2 -> b2 -> c2
""")
sketch = sketcher.sketch
sketch.color_beads()
assert bead(sketch, 'a1').freshness == SUPERSEDED
assert bead(sketch, 'c1').freshness == PHANTOM
assert bead(sketch, 'd1').freshness == OUT_OF_DATE
assert bead(sketch, 'e1').freshness == OUT_OF_DATE
assert bead(sketch, 'a2').freshness == UP_TO_DATE
assert bead(sketch, 'b2').freshness == UP_TO_DATE
assert bead(sketch, 'c2').freshness == UP_TO_DATE
def test_new_version_marks_older_superseded():
sketcher = Sketcher()
sketcher.define('a1 b1 c1')
sketcher.compile("""
a1 -> b1
a1 -:survivor:-> c1
""")
sketch = sketcher.sketch
orig_beads = sketch.beads
sketch = Sketch(beads=orig_beads,
edges=tuple(e for e in sketch.edges
if e.label == 'survivor'))
sketch = sketch.drop_deleted_inputs()
assert orig_beads != sketch.beads
assert len(sketch.edges) == 1
assert len(bead(sketch, 'a1').inputs) == 0
assert len(bead(sketch, 'b1').inputs) == 0
assert len(bead(sketch, 'c1').inputs) == 1
assert bead(sketch, 'c1').inputs[0].name == 'survivor'
def test_new_version_marks_older_superseded():
sketcher = Sketcher()
sketcher.define('a1')
sketch = sketcher.sketch
sketch.color_beads()
assert bead(sketch, 'a1').freshness == UP_TO_DATE
sketcher = Sketcher()
sketcher.define('a1 a2')
sketch = sketcher.sketch
sketch.color_beads()
assert bead(sketch, 'a1').freshness == SUPERSEDED
assert bead(sketch, 'a2').freshness == UP_TO_DATE
sketcher = Sketcher()
sketcher.define('a1 a2 a3')
sketch = sketcher.sketch
sketch.color_beads()
assert bead(sketch, 'a1').freshness == SUPERSEDED
assert bead(sketch, 'a2').freshness == SUPERSEDED
assert bead(sketch, 'a3').freshness == UP_TO_DATE
def test_up_to_date_input():
sketcher = Sketcher()
sketcher.define('a1 b1')
sketcher.compile("""
a1 -> b1
""")
sketch = sketcher.sketch
sketch.color_beads()
assert bead(sketch, 'a1').freshness == UP_TO_DATE
assert bead(sketch, 'b1').freshness == UP_TO_DATE
sketcher = Sketcher()
sketcher.define('a1 a2 b1')
sketcher.compile("""
a2 -> b1
""")
sketch = sketcher.sketch
sketch.color_beads()
assert bead(sketch, 'a1').freshness == SUPERSEDED
assert bead(sketch, 'a2').freshness == UP_TO_DATE
assert bead(sketch, 'b1').freshness == UP_TO_DATE
def renamed_e_web_file(self, robot):
sketcher = Sketcher()
sketcher.define('a1 b1 c1 d1 e1 f1')
sketcher.compile("""
a1 -> b1 -> c1 -> d1
b1 ------------> e1 -> f1
""")
# Mess up the above a bit: make copies of `e1` to `renamed_e` and `another_e_copy`,
# then deleting `e1`.
# Since we are just making copies/renaming them, `f1` can use any of them as input.
# Which one to select of the copies just affects future updates.
sketcher.phantom('e1')
sketcher.clone('e1', 'renamed_e')
sketcher.clone('e1', 'another_e_copy')
# a1 -> b1 -> c1 -> d1
# [e1] -> f1 # [e1] is phantom - it is not existing by the name e
# b1 ------------> renamed_e[e1]
# b1 ------------> another_e_copy[e1]
output_filename = robot.cwd / 'computation.web'
sketcher.sketch.to_file(output_filename)
return output_filename