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Tests for Math.random strings
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‎test/entropy.js

Lines changed: 74 additions & 45 deletions
Original file line numberDiff line numberDiff line change
@@ -89,71 +89,90 @@ test('Char Set 2 Strings', t => {
8989

9090
test('Char Set 64 string lengths', t => {
9191
const charSet = entropy.charSet64
92-
t.is(entropyStringLength( 5, charSet), 1)
93-
t.is(entropyStringLength( 6, charSet), 1)
94-
t.is(entropyStringLength( 7, charSet), 2)
95-
t.is(entropyStringLength( 18, charSet), 3)
96-
t.is(entropyStringLength( 50, charSet), 9)
97-
t.is(entropyStringLength(122, charSet), 21)
98-
t.is(entropyStringLength(128, charSet), 22)
99-
t.is(entropyStringLength(132, charSet), 22)
92+
const fns = [entropyStringLength, entropyStringLengthNoCrypto]
93+
for (let i = 0; i < 2; i++) {
94+
t.is(fns[i]( 5, charSet), 1)
95+
t.is(fns[i]( 6, charSet), 1)
96+
t.is(fns[i]( 7, charSet), 2)
97+
t.is(fns[i]( 18, charSet), 3)
98+
t.is(fns[i]( 50, charSet), 9)
99+
t.is(fns[i](122, charSet), 21)
100+
t.is(fns[i](128, charSet), 22)
101+
t.is(fns[i](132, charSet), 22)
102+
}
100103
})
101104

102105
test('Char Set 32 string lengths', t => {
103106
const charSet = entropy.charSet32
104-
t.is(entropyStringLength( 4, charSet), 1)
105-
t.is(entropyStringLength( 5, charSet), 1)
106-
t.is(entropyStringLength( 6, charSet), 2)
107-
t.is(entropyStringLength( 20, charSet), 4)
108-
t.is(entropyStringLength( 32, charSet), 7)
109-
t.is(entropyStringLength(122, charSet), 25)
110-
t.is(entropyStringLength(128, charSet), 26)
111-
t.is(entropyStringLength(130, charSet), 26)
107+
const fns = [entropyStringLength, entropyStringLengthNoCrypto]
108+
for (let i = 0; i < 2; i++) {
109+
t.is(fns[i]( 4, charSet), 1)
110+
t.is(fns[i]( 5, charSet), 1)
111+
t.is(fns[i]( 6, charSet), 2)
112+
t.is(fns[i]( 20, charSet), 4)
113+
t.is(fns[i]( 32, charSet), 7)
114+
t.is(fns[i](122, charSet), 25)
115+
t.is(fns[i](128, charSet), 26)
116+
t.is(fns[i](130, charSet), 26)
117+
}
112118
})
113119

114120
test('Char Set 16 string lengths', t => {
115121
const charSet = entropy.charSet16
116-
t.is(entropyStringLength( 3, charSet), 1)
117-
t.is(entropyStringLength( 4, charSet), 1)
118-
t.is(entropyStringLength( 5, charSet), 2)
119-
t.is(entropyStringLength( 14, charSet), 4)
120-
t.is(entropyStringLength( 40, charSet), 10)
121-
t.is(entropyStringLength(122, charSet), 31)
122-
t.is(entropyStringLength(128, charSet), 32)
122+
const fns = [entropyStringLength, entropyStringLengthNoCrypto]
123+
for (let i = 0; i < 2; i++) {
124+
t.is(fns[i]( 3, charSet), 1)
125+
t.is(fns[i]( 4, charSet), 1)
126+
t.is(fns[i]( 5, charSet), 2)
127+
t.is(fns[i]( 14, charSet), 4)
128+
t.is(fns[i]( 40, charSet), 10)
129+
t.is(fns[i](122, charSet), 31)
130+
t.is(fns[i](128, charSet), 32)
131+
}
123132
})
124133

125134
test('Char Set 8 string lengths', t => {
126135
const charSet = entropy.charSet8
127-
t.is(entropyStringLength( 2, charSet), 1)
128-
t.is(entropyStringLength( 3, charSet), 1)
129-
t.is(entropyStringLength( 4, charSet), 2)
130-
t.is(entropyStringLength( 32, charSet), 11)
131-
t.is(entropyStringLength( 48, charSet), 16)
132-
t.is(entropyStringLength(120, charSet), 40)
133-
t.is(entropyStringLength(122, charSet), 41)
134-
t.is(entropyStringLength(128, charSet), 43)
136+
const fns = [entropyStringLength, entropyStringLengthNoCrypto]
137+
for (let i = 0; i < 2; i++) {
138+
t.is(fns[i]( 2, charSet), 1)
139+
t.is(fns[i]( 3, charSet), 1)
140+
t.is(fns[i]( 4, charSet), 2)
141+
t.is(fns[i]( 32, charSet), 11)
142+
t.is(fns[i]( 48, charSet), 16)
143+
t.is(fns[i](120, charSet), 40)
144+
t.is(fns[i](122, charSet), 41)
145+
t.is(fns[i](128, charSet), 43)
146+
}
147+
135148
})
136149

137150
test('Char Set 4 string lengths', t => {
138151
const charSet = entropy.charSet4
139-
t.is(entropyStringLength( 1, charSet), 1)
140-
t.is(entropyStringLength( 2, charSet), 1)
141-
t.is(entropyStringLength( 3, charSet), 2)
142-
t.is(entropyStringLength( 32, charSet), 16)
143-
t.is(entropyStringLength( 48, charSet), 24)
144-
t.is(entropyStringLength(122, charSet), 61)
145-
t.is(entropyStringLength(128, charSet), 64)
152+
const fns = [entropyStringLength, entropyStringLengthNoCrypto]
153+
for (let i = 0; i < 2; i++) {
154+
t.is(fns[i]( 1, charSet), 1)
155+
t.is(fns[i]( 2, charSet), 1)
156+
t.is(fns[i]( 3, charSet), 2)
157+
t.is(fns[i]( 32, charSet), 16)
158+
t.is(fns[i]( 48, charSet), 24)
159+
t.is(fns[i](122, charSet), 61)
160+
t.is(fns[i](128, charSet), 64)
161+
}
146162
})
147163

148164
test('Char Set 2 string lengths', t => {
149165
const charSet = entropy.charSet2
150-
t.is(entropyStringLength( 1, charSet), 1)
151-
t.is(entropyStringLength( 2, charSet), 2)
152-
t.is(entropyStringLength( 3, charSet), 3)
153-
t.is(entropyStringLength( 32, charSet), 32)
154-
t.is(entropyStringLength( 48, charSet), 48)
155-
t.is(entropyStringLength(122, charSet), 122)
156-
t.is(entropyStringLength(128, charSet), 128)
166+
const fns = [entropyStringLength, entropyStringLengthNoCrypto]
167+
for (let i = 0; i < 2; i++) {
168+
t.is(fns[i]( 1, charSet), 1)
169+
t.is(fns[i]( 2, charSet), 2)
170+
t.is(fns[i]( 3, charSet), 3)
171+
t.is(fns[i]( 32, charSet), 32)
172+
t.is(fns[i]( 48, charSet), 48)
173+
t.is(fns[i](122, charSet), 122)
174+
t.is(fns[i](128, charSet), 128)
175+
}
157176
})
158177

159178
test('Bits using total, risk', t => {
@@ -548,6 +567,12 @@ test('Custom 2 chars', t => {
548567
}
549568
})
550569

570+
test('No crypto', t => {
571+
let charSet = entropy.charSet32
572+
t.is(entropyStringLengthNoCrypto(5, charSet), 1)
573+
t.is(entropyStringLengthNoCrypto(6, charSet), 2)
574+
})
575+
551576
const entropyString = (bits, charSet, arr) => {
552577
let bytes = Buffer.from(arr)
553578
return entropy.randomStringWithBytes(bits, charSet, bytes)
@@ -557,6 +582,10 @@ const entropyStringLength = (bits, charSet) => {
557582
return entropy.randomString(bits, charSet).length
558583
}
559584

585+
const entropyStringLengthNoCrypto = (bits, charSet) => {
586+
return entropy.randomString(bits, charSet, false).length
587+
}
588+
560589
const bitsStringLength = (total, risk, charSet) => {
561590
return entropyStringLength(entropy.bits(total, risk), charSet)
562591
}

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