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|
package gistatic
import (
"strings"
g "gobang"
)
func test_usage() {
g.TestStart("usage()")
g.Testing("it writes the usage string to the io.Writer", func() {
w := strings.Builder{}
usage("xxx", &w)
expected := g.Heredoc(`
Usage: xxx [-o DIRECTORY] [-u CLONE_URL] REPOSITORY...
`)
g.TAssertEqual(w.String(), expected)
})
}
func test_getopt() {
g.TestStart("getopt()")
usage := g.Heredoc(`
Usage: $0 [-o DIRECTORY] [-u CLONE_URL] REPOSITORY...
`)
g.Testing("we supress the default error message", func() {
w := strings.Builder{}
argv := []string{"$0", "-h"}
_, rc := getopt(argv, &w)
g.TAssertEqual(w.String(), usage)
g.TAssertEqual(rc, 2)
})
g.Testing("we get unsupported flag error", func() {
w := strings.Builder{}
argv := []string{"$0", "-A"}
_, rc := getopt(argv, &w)
const message = "flag provided but not defined: -A\n"
g.TAssertEqual(w.String(), message + usage)
g.TAssertEqual(rc, 2)
})
g.Testing("we get incorrect use of flag error", func() {
w1 := strings.Builder{}
argv1 := []string{"$0", "-u"}
_, rc1 := getopt(argv1, &w1)
const message1 = "flag needs an argument: -u\n"
g.TAssertEqual(w1.String(), message1 + usage)
g.TAssertEqual(rc1, 2)
w2 := strings.Builder{}
argv2 := []string{"$0", "-o"}
_, rc2 := getopt(argv2, &w2)
const message2 = "flag needs an argument: -o\n"
g.TAssertEqual(w2.String(), message2 + usage)
g.TAssertEqual(rc2, 2)
})
g.Testing("the argsT has the flag URL value", func() {
fn_wdSaved := fn_wd
fn_wd = func() (string, error) {
return "virtual working directory", nil
}
w := strings.Builder{}
argv := []string{"$0", "-u", "proto://URL", "a-path"}
expected := argsT{
cloneURL: "proto://URL",
allArgs: []string{"$0", "-u", "proto://URL", "a-path"},
subArgs: []string{"a-path"},
outdir: "virtual working directory",
}
args, rc := getopt(argv, &w)
fn_wd = fn_wdSaved
g.TAssertEqual(w.String(), "")
g.TAssertEqual(rc, 0)
g.TAssertEqual(args, expected)
})
}
func test_run() {
// FIXME
}
func MainTest() {
g.Init()
test_usage()
test_getopt()
test_run()
}
|
