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chore(tests): add tests for utils functions
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,151 @@ | ||
| local list = require('vgit.core.utils.list') | ||
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| local eq = assert.are.same | ||
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| describe('list:', function() | ||
| describe('list.is_list', function() | ||
| it('should return true for a list', function() | ||
| local l = { 1, 2, 3 } | ||
| local result = list.is_list(l) | ||
| eq(result, true) | ||
| end) | ||
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| it('should return false for a non-list', function() | ||
| local l = { key = 'value' } | ||
| local result = list.is_list(l) | ||
| eq(result, false) | ||
| end) | ||
| end) | ||
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| describe('list.is_empty', function() | ||
| it('should return true for an empty list', function() | ||
| local l = {} | ||
| local result = list.is_empty(l) | ||
| eq(result, true) | ||
| end) | ||
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| it('should return false for a non-empty list', function() | ||
| local l = { 1, 2, 3 } | ||
| local result = list.is_empty(l) | ||
| eq(result, false) | ||
| end) | ||
| end) | ||
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| describe('list.join', function() | ||
| it('should join elements of a list with a separator', function() | ||
| local l = { 'a', 'b', 'c' } | ||
| local result = list.join(l, ',') | ||
| eq(result, 'a,b,c') | ||
| end) | ||
| end) | ||
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| describe('list.pick', function() | ||
| it('should return the specified item from the list if found', function() | ||
| local l = { 'apple', 'banana', 'cherry' } | ||
| local result = list.pick(l, 'banana') | ||
| eq(result, 'banana') | ||
| end) | ||
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| it('should return the first item if the specified item is not found', function() | ||
| local l = { 'apple', 'banana', 'cherry' } | ||
| local result = list.pick(l, 'pear') | ||
| eq(result, 'apple') | ||
| end) | ||
| end) | ||
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| describe('list.concat', function() | ||
| it('should concatenate two lists', function() | ||
| local a = { 1, 2, 3 } | ||
| local b = { 4, 5, 6 } | ||
| local result = list.concat(a, b) | ||
| eq(result, { 1, 2, 3, 4, 5, 6 }) | ||
| end) | ||
| end) | ||
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| describe('list.merge', function() | ||
| it('should merge multiple lists into one', function() | ||
| local t = { 1, 2 } | ||
| local a = { 3, 4 } | ||
| local b = { 5, 6 } | ||
| local result = list.merge(t, a, b) | ||
| eq(result, { 1, 2, 3, 4, 5, 6 }) | ||
| end) | ||
| end) | ||
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| describe('list.map', function() | ||
| it('should map a function over a list', function() | ||
| local l = { 1, 2, 3 } | ||
| local result = list.map(l, function(x) return x * 2 end) | ||
| eq(result, { 2, 4, 6 }) | ||
| end) | ||
| end) | ||
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| describe('list.filter', function() | ||
| it('should filter a list based on a callback function', function() | ||
| local l = { 1, 2, 3, 4, 5 } | ||
| local result = list.filter(l, function(x) return x % 2 == 0 end) | ||
| eq(result, { 2, 4 }) | ||
| end) | ||
| end) | ||
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| describe('list.each', function() | ||
| it('should iterate over each item in the list', function() | ||
| local l = { 'a', 'b', 'c' } | ||
| local result = {} | ||
| list.each(l, function(item) table.insert(result, item) end) | ||
| eq(result, { 'a', 'b', 'c' }) | ||
| end) | ||
| end) | ||
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| describe('list.reduce', function() | ||
| it('should reduce a list to a single value using an accumulator and callback function', function() | ||
| local l = { 1, 2, 3, 4 } | ||
| local result = list.reduce(l, 0, function(acc, x) return acc + x end) | ||
| eq(result, 10) | ||
| end) | ||
| end) | ||
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| describe('list.find', function() | ||
| it('should find the first item in the list that satisfies the callback function', function() | ||
| local l = { 'apple', 'banana', 'cherry' } | ||
| local result = list.find(l, function(item) return string.len(item) == 5 end) | ||
| eq(result, 'apple') | ||
| end) | ||
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| it('should return nil if no item satisfies the callback function', function() | ||
| local l = { 'apple', 'banana', 'cherry' } | ||
| local result = list.find(l, function(item) return item == 'pear' end) | ||
| eq(result, nil) | ||
| end) | ||
| end) | ||
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| describe('list.replace', function() | ||
| it('should replace items in a list within a specified range', function() | ||
| local l = { 'a', 'b', 'c', 'd', 'e' } | ||
| local result = list.replace(l, 2, 4, { 'x', 'y', 'z' }) | ||
| eq(result, { 'a', 'x', 'y', 'z', 'e' }) | ||
| end) | ||
| end) | ||
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| describe('list.extract', function() | ||
| it('should extract items from a list within a specified range', function() | ||
| local l = { 'a', 'b', 'c', 'd', 'e' } | ||
| local result = list.extract(l, 2, 4) | ||
| eq(result, { 'b', 'c', 'd' }) | ||
| end) | ||
| end) | ||
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| describe('list.some', function() | ||
| it('should return true if at least one item in the list satisfies the callback function', function() | ||
| local l = { 'apple', 'banana', 'cherry' } | ||
| local result = list.some(l, function(item) return item == 'banana' end) | ||
| eq(result, true) | ||
| end) | ||
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| it('should return false if no item in the list satisfies the callback function', function() | ||
| local l = { 'apple', 'banana', 'cherry' } | ||
| local result = list.some(l, function(item) return item == 'pear' end) | ||
| eq(result, false) | ||
| end) | ||
| end) | ||
| end) |
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