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|
package strings
import (
"testing"
"github.com/stretchr/testify/assert"
)
type containsTest struct {
input []string
match string
found bool
}
var containsTests = map[string]containsTest{
"Found": {
input: []string{"a", "b", "c"},
match: "b",
found: true,
},
"NotFound": {
input: []string{"a", "b", "c"},
match: "d",
found: false,
},
"OneElement": {
input: []string{"a"},
match: "a",
found: true,
},
"EmptyArray": {
input: []string{},
match: "a",
found: false,
},
"EmptyArrayEmptySearch": {
input: []string{},
match: "",
found: false,
},
}
func TestContains(t *testing.T) {
t.Run("Contains", func(t *testing.T) {
for name, test := range containsTests {
t.Run(name, func(t *testing.T) {
found := Contains(test.input, test.match)
assert.Equal(t, test.found, found)
})
}
})
}
type splitLinesTest struct {
input string
splitOutput []string
}
var splitLinesTests = map[string]splitLinesTest{
"ThreeLines": {
input: "line1\nline2\nline3\n",
splitOutput: []string{"line1", "line2", "line3"},
},
"ThreeLinesNoFinalEOL": {
input: "line1\nline2\nline3",
splitOutput: []string{"line1", "line2", "line3"},
},
"WindowsEOL": {
input: "line1\r\nline2\r\nline3\r\n",
splitOutput: []string{"line1", "line2", "line3"},
},
"EmptyString": {
input: "",
splitOutput: []string{},
},
"EOLOnly": {
input: "\n",
splitOutput: []string{""},
},
"NoEOL": {
input: "line1",
splitOutput: []string{"line1"},
},
}
func TestSplitLines(t *testing.T) {
t.Run("SplitLines", func(t *testing.T) {
for name, test := range splitLinesTests {
t.Run(name, func(t *testing.T) {
output := SplitLines(test.input)
assert.Equal(t, test.splitOutput, output)
})
}
})
}
type firstLineTest struct {
input string
firstLine string
}
var firstLineTests = map[string]firstLineTest{
"ThreeLines": {
input: "line1\nline2\nline3\n",
firstLine: "line1",
},
"ThreeLinesNoFinalEOL": {
input: "line1\nline2\nline3",
firstLine: "line1",
},
"WindowsEOL": {
input: "line1\r\nline2\r\nline3\r\n",
firstLine: "line1",
},
"EmptyString": {
input: "",
firstLine: "",
},
"EOLOnly": {
input: "\n",
firstLine: "",
},
"NoEOL": {
input: "line1",
firstLine: "line1",
},
}
func TestFirstLine(t *testing.T) {
t.Run("FirstLine", func(t *testing.T) {
for name, test := range firstLineTests {
t.Run(name, func(t *testing.T) {
firstLine := FirstLine(test.input)
assert.Equal(t, test.firstLine, firstLine)
})
}
})
}
func TestTrimTrailingEOL(t *testing.T) {
assert.Equal(t, "foo\nbar", TrimTrailingEOL("foo\nbar\n"))
assert.Equal(t, "foo", TrimTrailingEOL("foo\n"))
assert.Equal(t, "foo", TrimTrailingEOL("foo\r\n"))
assert.Equal(t, "foo\r\nbar", TrimTrailingEOL("foo\r\nbar\r\n"))
assert.Equal(t, "foo\r\nbar", TrimTrailingEOL("foo\r\nbar\r\n\r\n"))
assert.Equal(t, "foo\nbar", TrimTrailingEOL("foo\nbar\n\n"))
assert.Equal(t, "foo\nbar", TrimTrailingEOL("foo\nbar\n\n\n"))
assert.Equal(t, "", TrimTrailingEOL("\r\n"))
assert.Equal(t, "", TrimTrailingEOL("\n"))
assert.Equal(t, "", TrimTrailingEOL(""))
}
|
