-
Notifications
You must be signed in to change notification settings - Fork 54
/
Copy pathvisualization_test.go
165 lines (150 loc) · 6.08 KB
/
visualization_test.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
package porcupine
import (
"os"
"reflect"
"testing"
)
func visualizeTempFile(t *testing.T, model Model, info LinearizationInfo) {
file, err := os.CreateTemp("", "*.html")
if err != nil {
t.Fatalf("failed to create temp file")
}
err = Visualize(model, info, file)
if err != nil {
t.Fatalf("visualization failed")
}
t.Logf("wrote visualization to %s", file.Name())
}
func TestVisualizationMultipleLengths(t *testing.T) {
ops := []Operation{
{0, kvInput{op: 0, key: "x"}, 0, kvOutput{"w"}, 100},
{1, kvInput{op: 1, key: "x", value: "y"}, 5, kvOutput{}, 10},
{2, kvInput{op: 1, key: "x", value: "z"}, 0, kvOutput{}, 10},
{1, kvInput{op: 0, key: "x"}, 20, kvOutput{"y"}, 30},
{1, kvInput{op: 1, key: "x", value: "w"}, 35, kvOutput{}, 45},
{5, kvInput{op: 0, key: "x"}, 25, kvOutput{"z"}, 35},
{3, kvInput{op: 0, key: "x"}, 30, kvOutput{"y"}, 40},
{4, kvInput{op: 0, key: "y"}, 50, kvOutput{"a"}, 90},
{2, kvInput{op: 1, key: "y", value: "a"}, 55, kvOutput{}, 85},
}
res, info := CheckOperationsVerbose(kvModel, ops, 0)
if res != Illegal {
t.Fatalf("expected output %v, got output %v", Illegal, res)
}
data := computeVisualizationData(kvModel, info)
expected := []partitionVisualizationData{{
History: []historyElement{
{ClientId: 0, Start: 0, End: 100, Description: "get('x') -> 'w'"},
{ClientId: 1, Start: 5, End: 10, Description: "put('x', 'y')"},
{ClientId: 2, Start: 0, End: 10, Description: "put('x', 'z')"},
{ClientId: 1, Start: 20, End: 30, Description: "get('x') -> 'y'"},
{ClientId: 1, Start: 35, End: 45, Description: "put('x', 'w')"},
{ClientId: 5, Start: 25, End: 35, Description: "get('x') -> 'z'"},
{ClientId: 3, Start: 30, End: 40, Description: "get('x') -> 'y'"},
},
PartialLinearizations: []partialLinearization{
{{2, "z"}, {1, "y"}, {3, "y"}, {6, "y"}, {4, "w"}, {0, "w"}},
{{1, "y"}, {2, "z"}, {5, "z"}},
},
Largest: map[int]int{0: 0, 1: 0, 2: 0, 3: 0, 4: 0, 5: 1, 6: 0},
}, {
History: []historyElement{
{ClientId: 4, Start: 50, End: 90, Description: "get('y') -> 'a'"},
{ClientId: 2, Start: 55, End: 85, Description: "put('y', 'a')"},
},
PartialLinearizations: []partialLinearization{
{{1, "a"}, {0, "a"}},
},
Largest: map[int]int{0: 0, 1: 0},
}}
if !reflect.DeepEqual(expected, data.Partitions) {
t.Fatalf("expected data to be \n%v\n, was \n%v", expected, data)
}
visualizeTempFile(t, kvModel, info)
}
func TestRegisterModelReadme(t *testing.T) {
// basically the code from the README
events := []Event{
// C0: Write(100)
{Kind: CallEvent, Value: registerInput{false, 100}, Id: 0, ClientId: 0},
// C1: Read()
{Kind: CallEvent, Value: registerInput{true, 0}, Id: 1, ClientId: 1},
// C2: Read()
{Kind: CallEvent, Value: registerInput{true, 0}, Id: 2, ClientId: 2},
// C2: Completed Read -> 0
{Kind: ReturnEvent, Value: 0, Id: 2, ClientId: 2},
// C1: Completed Read -> 100
{Kind: ReturnEvent, Value: 100, Id: 1, ClientId: 1},
// C0: Completed Write
{Kind: ReturnEvent, Value: 0, Id: 0, ClientId: 0},
}
res, info := CheckEventsVerbose(registerModel, events, 0)
// returns true
if res != Ok {
t.Fatal("expected operations to be linearizable")
}
visualizeTempFile(t, registerModel, info)
events = []Event{
// C0: Write(200)
{Kind: CallEvent, Value: registerInput{false, 200}, Id: 0, ClientId: 0},
// C1: Read()
{Kind: CallEvent, Value: registerInput{true, 0}, Id: 1, ClientId: 1},
// C1: Completed Read -> 200
{Kind: ReturnEvent, Value: 200, Id: 1, ClientId: 1},
// C2: Read()
{Kind: CallEvent, Value: registerInput{true, 0}, Id: 2, ClientId: 2},
// C2: Completed Read -> 0
{Kind: ReturnEvent, Value: 0, Id: 2, ClientId: 2},
// C0: Completed Write
{Kind: ReturnEvent, Value: 0, Id: 0, ClientId: 0},
}
res, info = CheckEventsVerbose(registerModel, events, 0)
// returns false
if res != Illegal {
t.Fatal("expected operations not to be linearizable")
}
visualizeTempFile(t, registerModel, info)
}
func TestVisualizationLarge(t *testing.T) {
events := parseJepsenLog("test_data/jepsen/etcd_070.log")
res, info := CheckEventsVerbose(etcdModel, events, 0)
if res != Illegal {
t.Fatal("expected operations not to be linearizable")
}
visualizeTempFile(t, etcdModel, info)
}
func TestVisualizationAnnotations(t *testing.T) {
// base set of operations same as TestVisualizationMultipleLengths
ops := []Operation{
{0, kvInput{op: 0, key: "x"}, 0, kvOutput{"w"}, 100},
{1, kvInput{op: 1, key: "x", value: "y"}, 5, kvOutput{}, 10},
{2, kvInput{op: 1, key: "x", value: "z"}, 0, kvOutput{}, 10},
{1, kvInput{op: 0, key: "x"}, 20, kvOutput{"y"}, 30},
{1, kvInput{op: 1, key: "x", value: "w"}, 35, kvOutput{}, 45},
{5, kvInput{op: 0, key: "x"}, 25, kvOutput{"z"}, 35},
{3, kvInput{op: 0, key: "x"}, 30, kvOutput{"y"}, 40},
{4, kvInput{op: 0, key: "y"}, 50, kvOutput{"a"}, 90},
{2, kvInput{op: 1, key: "y", value: "a"}, 55, kvOutput{}, 85},
}
res, info := CheckOperationsVerbose(kvModel, ops, 0)
annotations := []Annotation{
// let's say that there was a "failed get" by client 4 early on
{ClientId: 4, Start: 10, End: 31, Description: "get('y') timeout", BackgroundColor: "#ff9191"},
// and a failed get by client 5 later
{ClientId: 5, Start: 80, Description: "get('x') timeout", BackgroundColor: "#ff9191"},
// and some tagged annotations
{Tag: "Server 1", Start: 30, Description: "leader", Details: "became leader in term 3 with 2 votes"},
{Tag: "Server 3", Start: 10, Description: "duplicate", Details: "saw duplicate operation put('x', 'y')"},
{Tag: "Server 2", Start: 80, Description: "restart"},
{Tag: "Server 3", Start: 0, Description: "leader", Details: "became leader in term 1 with 3 votes"},
// and some "test framework" annotations
{Tag: "Test Framework", Start: 20, End: 35, Description: "partition [3] [1 2]", BackgroundColor: "#efaefc"},
{Tag: "Test Framework", Start: 40, End: 100, Description: "partition [2] [1 3]", BackgroundColor: "#efaefc"},
}
info.AddAnnotations(annotations)
if res != Illegal {
t.Fatalf("expected output %v, got output %v", Illegal, res)
}
// we don't check much else here, this has to be visually inspected
visualizeTempFile(t, kvModel, info)
}